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HomeMy WebLinkAboutP & D CONSULTANTS - 2002DRAFT FOCUSED ENVIRONMENTAL IMPACT REPORT FOR THE PROPOSED GRAND AVENUE WIDENING SCH NO. 1998051068 Prepared For: CITY OF SANTA ANA Public Works Agency M-21 P.O. Box 1988 20 Civic Center Plaza Santa Ana, CA 92701 Contact: David Biondolillo, Project Manager (714) 647-5603 Prepared By: P&D CONSULTANTS, INC. 999 Town and Country Road, Suite 400 Orange, CA 92868 Contact: Christine Huard -Spencer (714) 835-4447 MAY 2002 Grand Avenue Widening Project Environmental Impact Report Table of Contents TABLE OF CONTENTS GLOSSARY OF ACRONYMS....................................................................................................................G-1 EXECUTIVESUMMARY.........................................................................................................................ES-1 ES.1 Purpose of the Environmental Impact Report ........................................... ................ I...................... ES -1 ES.2 Description of the Proposed Project................................................................................................. ES -1 ES.3 Summary of Environmental Impacts................................................................................................ ES -1 ESA Summary of Impacts Found Not to be Significant......................................................................... ES -12 ES.5 Environmentally Superior Alternative........................................................................................... ES -14 ES.6 Project Objectives...........................................................................................................................ES-17 Related Projects....................................................................................................................1-15 ES.7 Preferred Alternative......................................................................................................................ES-18 Objectives..............................................................................................................................1-15 1.0 PROJECT DESCRIPTION AND PROJECT OBJECTIVES....................................................1-1 1.1 Proposed Project.................................................................................................................................. 1-1 1.1.1 Overview................................................................................................................................ 1-1 1,1.2 Description of Build Alternative 1.........................................................................................1-1 2-2 1.1.3 Description of Build Alternative 2........................................................................................1-12 LIIProperty Acquisition............................................................................................................1-13 2-3 1.1.5 Alternatives ...................................... .................................................................................... 1-13 1.1.6 Related Projects....................................................................................................................1-15 1.2 Project Objectives..............................................................................................................................1-15 1.3 CEQA Process...................................................................................................................................1-17 Energy and Mineral Resources Impacts Found Not to be Significant................................................2-6. 1.3.1 California Environmental Quality Act............... ................ ................................... ............... 1-17 1.3.2 Initial Study and Notice of Preparation .......................................... ..................................... 1-17 1.3.3 Scoping Meeting..................................................................................................................1-17 Utilities and Service Systems Impacts Found Not to be Significant..................................................2-8 1.3.4 Format of the EIR................................................................................................................1-18 Aesthetics hnpacts Found Not to be Significant.................................................................................2-8 1.3.5 Certification of the Final EIR..............................................................................................1-21 Cultural Resources Impacts Found Not to be Significant...................................................................2-9 1.3.6 Other Approvals and Permits ................... ............................................................................ 1-21 1.3.7 Opportunities for Public Input and the EIR Process............................................................1-21 1.3.8 Incorporation by Reference.................................................................................................1-22 1.3.9 Areas of Controversy/Issues to Be Resolved......................................................................1-22 2.0 IMPACTS FOUND NOT TO BE SIGNIFICANT BASED ON THE 2.1 INITIALSTUDY...............................................................................................................................2-1 Overview.............................................................................................................................................2-1 2.2 Land Use Impacts Found Not to be Significant. ............................... ..................................... . .......... 2-1 2.3 Population and Housing Impacts Found Not to be Significant... ........................................................ 2-2 2.4 Geology Impacts Found Not to be Significant....................................................................................2-2 2.5 Water Impacts Found Not to be Significant ....... ................................................................................. 2-3 2.6 Air Quality Impacts Found Not to be Significant...............................................................................2-4 2.7 Transportation Impacts Found Not to be Significant..........................................................................2-5 2.8 Biological Resources Impacts Found Not to be Significant...............................................................2-6 2.9 Energy and Mineral Resources Impacts Found Not to be Significant................................................2-6. 2.10 Hazards Impacts Found Not to be Significant....................................................................................2-6 2.11 Public Services Impacts Found Not to be Significant.........................................................................2-7 2.12 Utilities and Service Systems Impacts Found Not to be Significant..................................................2-8 2.13 Aesthetics hnpacts Found Not to be Significant.................................................................................2-8 2.14 Cultural Resources Impacts Found Not to be Significant...................................................................2-9 2.15 Recreation hnpacts Found Not to be Significant................................................................................ 2-9 F:IPROJ-ENVIGrand eirWew Text - Grandl=doc TOC -1 Grand Avenue Widening Project Environmental Impact Report Table of Contents 3.0 EXISTING CONDITIONS, IMPACTS AND MPITGATION MEASURES.............................3-1 3.1 Introduction.......................................................................................................................................3.1-1 3.2 Land Use and Planning..............................................................................:......................................3.2-1 3.2.1 Existing Setting Related to Land Use and Planning...........................................................3.2-1 3.2.2 Thresholds of Significance Related to Land Use and Planning.........................................3.2-2 3.2.3 Methodology Related to Land Use and Planning...............................................................3.2-3 3.2.4 Impacts Related to Land Use and Planning........................................................................3.2-3 3.2.5 Mitigation Related to Land Use and Planning ......................... ......................................... 3.2-26 3.2.6 Level of Significance After Mitigation Related to Land Use and Planning ....................3.2-27 3.3 Population and Housing...................................................................................................................3.3-1 3.3.1 Existing Setting Related to Population and Housing...... .................................................... 3.3-1 3.3.2 Thresholds of Significance Related to Population and Housing........................................3.3-1 3.3.3 Methodology Related to Population and Housing..............................................................3.3-1 3.3.4 Impacts Related to Population and Housing.......................................................................3.3-2 3.3.5 Mitigation Related to Population and Housing..................................................................3.3-3 3.3.6 Level of Significance After Mitigation Related to Population and Housing ....................3.3-3 3.4 Air Quality ........................................................................................................................................3.4-1 3.4.1 Existing Setting Related to Air Quality ............. .................................................................. 3.4-1 3.4.2 Thresholds of Significance Related to Air Quality............................................................3.4-7 3.4.3 Methodology Related to Air Quality..................................................................................3.4-8 3.4.4 hnpacts Related to Air Quality...........................................................................................3.4-9 3.4.5 Mitigation Related to Air Quality.....................................................................................3.4-14 3.4.6 Level of Significance After Mitigation Related to Air Quality........................................3.4-15 3.5 Transportation...................................................................................................................................3.5-1 3.5.1 Existing Setting Related to Transportation ..................................... .................................... 3.5-1 3.5.2 Thresholds of Significance Related to Transportation.......................................................3.5-7 3.5.3 Methodology Related to Transportation.............................................................................3.5-7 3.5.4 Impacts Related to Transportation ...... ................................................................................ 3.5-9 3.5.5 Impacts Related to Access During Construction..............................................................3.5-22 3.5.6 Mitigation Related to Transportation................................................................................3.5-22 3.5.7 Mitigation Related to Access .......................... .................................................................. 3.5-23 3.5.8 Level of Significance After Mitigation Related to Transportation and Access ...............3.5-23 3.6 Noise .................................................................................................................................................3.6-1 3.6.1 Existing Setting Related to Noise.......................................................................................3.6-1 3.6.2 Thresholds of Significance Related to Noise....................................................................3.6-16 3.6.3 Methodology Related to Noise .............................................. ........................................... 3.6-18 3.6.4 Impacts Related to Noise..................................................................................................3.6-21 3.6.5 Mitigation Related to Noise .................... .................................................. ........................ 3.6-37 3.6.6 Level of Significance After Mitigation Related to Noise.................................................3.6-44 3.7 Cultural Resources............................................................................................................................3.7-1 3.7.1 Existing Setting Related to Cultural Resources..................................................................3.7-1 3.7.2 Thresholds of Significance Related to Cultural Resources ..................... ............................. 3.7-7 3.7.3 Methodology Related to Cultural Resources............................................................. ......... 3.7-7 3.7.4 Impacts Related to Cultural Resources..................................................... .......................... 3.7-9 3.7.5 Mitigation Related to Cultural Resources.........................................................................3.7-10 3.7.6 Level of Significance After Mitigation Related to Cultural Resources...........................3.7-12 4.0 UNAVOIDABLE ADVERSE IMPACTS.......................................................................................4-1 4.1 CEQA Guidelines Section 15126 (b) ........................................ ................................. .... ... .................. 4-1 4.2 Unavoidable Adverse Impacts Related to Land Use and Planning....................................................4-1 4.3 Unavoidable Adverse h apacts Related to Population and Housing...................................................4-1 4.4 Unavoidable Adverse Impacts Related to Transportation..................................................................4-2 F: IPROJ-ENVIGrand eirWew Text - GrandITOCdoc TOC -2 Grand Avenue Widening Project Environmental Impact Report Table of Contents 8.2 4.5 Unavoidable Adverse Impacts Related to Noise.................................................................................4-2 8.3 4.6 Unavoidable Adverse Impacts Related to Cultural Resources...........................................................4-2 8.4 5.0 IRRETRIEVABLE AND IRREVERSIBLE COMMITMENT OF RESOURCES..................5-1 6.0 GROWTH INDUCING AND CUMULATIVE IMPACTS OF THE 8-2 8.6 PROPOSEDPROJECT...................................................................................................................6-1 8-3 6.1 Growth Inducing Impacts....................................................................................................................6-1 8-3 6.2 Cumulative Impacts ............ :................................................................................................................ 6-3 8.9 6.2.1 Definition of Cumulative Impacts.......................................................................................6-3 8-5 9.0 6.2.2 Cumulative Projects.............................................................................................................6-3 9.1 City of Santa Ana ....... .................................................. ....................................................................... 6.2.3 Cumulative Impacts Related to Land Use and Planning .....................................................611 9.2 P&D Consultants, Inc. ........................................................................................................................ 6.2.4 Cumulative Impacts Related to Population and Housing...................................................6-5 9.3 Cultural Resources ......................................... ...................................................................................... 6.2.5 Cumulative Impacts Related to Geological Problems......................................................6-10 9.3.1 Discovery Works...................................................................................................................9-1 6.2.6 Cumulative Impacts Related to Water..............................................................................6-11, 9.3.2 Science Applications International Corporation.................................... ................................ 6.2.7 Cumulative Impacts Related to Air Quality......................................................................6-11 9.4 Mestre Greve Associates.....................................................................................................................9-1 6.2.8 Cumulative Impacts Related to Transportation.................................................................6-12 9.5 BridgeNet Consulting Services International......................................................................................9-2 6.2.9 Cumulative Impacts Related to Biological Resources .......................... ............................ 6-12 6.2.10 Cumulative Impacts Related to Energy and Mineral Resources......................................6-13 6.2.11 Cumulative Impacts Related to Hazards...........................................................................6-13 6.2.12 Cumulative Impacts Related to Noise...............................................................................6-14 6.2.13 Cumulative Impacts Related to Public Services...............................................................6-14 6.2.14 Cumulative Impacts Related to Utilities and Service Systems.........................................6-15 6.2.15 Cumulative Impacts Related to Aesthetics........................................................................6-15 6.2.16 Cumulative Impacts Related to Cultural Resources..........................................................6-16 6.2.17 Cumulative Impacts Related to Recreation ........... ............................................................ 6-16 7.0 MITIGATION MONITORING PROGRAM...............................................................................7-1 7.1 Purpose................................................................................................................................................7-1 7.2 Development of the MMP...................................................................................................................7-1 7.3 Mitigation Monitoring Program for the Proposed Grand Avenue Widening.....................................7-1 8.0 NO PROJECT ALTERNATIVE .... ................................................................................................ R-1 8.1 Description of the No Project Alternative...........................................................................................8-1 8.2 Impacts of the No Project Alternative Related to Land Use and Planning.........................................8-1 8.3 Impacts of the No Project Alternative Related to Population and Housing ................ ....................... 8-2 8.4 hnpacts of the No Project Alternative Related to Air Quality............................................................ 8-2 8.5 Impacts of the No Project Alternative Related to Transportation, ...................................................... 8-2 8.6 Impacts of the No Project Alternative Related to Noise..................................................................... 8-3 8.7 Impacts of the No Project Alternative Related to Cultural Resources .............. .................................. 8-3 8.8 Impacts of the No Project Alternative Related to Other Environmental Parameters .........................8-3 8.9 Project Objectives .................................... ............................................................................................ 8-5 9.0 LIST OF PREPARERS....................................................................................................................9-1 9.1 City of Santa Ana ....... .................................................. ....................................................................... 9-1 9.2 P&D Consultants, Inc. ........................................................................................................................ 9-1 9.3 Cultural Resources ......................................... ...................................................................................... 9-1 9.3.1 Discovery Works...................................................................................................................9-1 9.3.2 Science Applications International Corporation.................................... ................................ 9-1 9.4 Mestre Greve Associates.....................................................................................................................9-1 9.5 BridgeNet Consulting Services International......................................................................................9-2 F.- PROJ-ENVIGrand eirWew Text - GrandlTOC doc TOC -3 Grand Avenue Widening Project Environmental Impact Report Table of Contents 10.0 REFERENCES................................................................................................................................10-1 APPENDICES A. Initial Study and Notice of Preparation B. Notice of Preparation Distribution List C. Responses to the Notice of Preparation D. Scoping Meeting E. Air Quality Assessment F. Traffic Study G. Noise Technical Reports H. Cultural Resources Assessment I. City of Santa Ana Handbook on Acquisition F: WROJ-ENMGrand eirWew Text - Gran&TOCdoc TOC -4 Grand Avenue Widening Project Environmental Impact Report Table of Contents LIST OF FIGURES Pale 1-1 Grand Avenue Location Map..............................................................................................................1-2 1-2 Alternative 1 (100' ProposedRight-of-Way)......................................................................................1-3 1-3 Alternative 2 (120' Proposed Right-of-Way)......................................................................................1-7 3.2-1 Alternative 1 Right -of -Way Impacts................................................................................................3.2-4 3.2-2 Alternative 2 Right -of -Way Impacts..............................................................................................3.2-22 3.4-1 CALINE4 CO Modeling Receptor Locations..................................................................................3.4-6 3.5-1 Existing Setting.................................................................................................................................3.5-2 3.5-2 2001 Existing Daily Traffic Volumes..............................................................................................3.5-3 3.5-3 Existing AM Peak Hour Volumes.:..................................................................................................3.5-5 3.54 Existing PM Peak Hour Volumes....................................................................................................3.5-6 3.5-5 Assumed 2020 (Build Alternative) Intersection Geometry ............................................ ............... 3.5-11 3.5-6 2020 Daily Traffic Volumes...........................................................................................................3.5-13 3.5-7 2020 AM Peak Hour Volumes.......................................................................................................3.5-14 3.5-8 2020 PM Peak Hour Volumes........................................................................................................3.5-15 3.6-1 Locations of Noise Monitoring Positions.........................................................................................3.6-5 3.6-2 Existing Noise Contours on Grand Avenue from Seventeenth Street to Fourteenth Street .......... 3.6-10 3.6-3 Existing Noise Contours on Grand Avenue from Fourteenth Street to Santa Ana Boulevard ...... 3.6-11 3.6.4 Existing Noise Contours on Grand Avenue from Santa Ana Boulevard to Fourth Street NorthHalf....................................................................................:..................................................3.6-12 3.6.5 Existing Noise Contours on Grand Avenue from Santa Ana Boulevard to Fourth Street SouthHalf.......................................................................................................................................3.6-13 3.6.6 Existing Noise Contours on Grand Avenue from Fourth Street to First Street.............................3.6-14 3.6-7 Noise and Land Use Compatibility Guidelines..............................................................................3.6-17 3.6-8 Typical CNEL Noise Levels..........................................................................................................3.6-20 3.6-9 Typical Construction Noise Levels at 50 Feet...............................................................................3.6-22 3.6-10 Future No Project Noise Contours - Seventeenth Street to Fourteenth Street..............................3.6-26 3.6-11 Future No Project Noise Contours - Fourteenth Street to Santa Ana Boulevard..........................3.6-27 3.6-12 Future No Project Noise Contours - Santa Ana Boulevard to Fourth Street North Half..............3.6-28 3.6-13 Future No Project Noise Contours - Santa Ana Boulevard to Fourth Street South Half..............3.6-29 3.6-14 Future No Project Noise Contours - Fourth Street to First Street ......................................... ........ 3.6-30 3.6-15 Future With Project Noise Contours - Seventeenth Street to Fourteenth Street...........................3.6-31 3.6-16 Future With Project Noise Contours - Fourteenth Street to Santa Ana Boulevard .......................3.6-32 3.6-17 Future With Project Noise Contours - Santa Ana Boulevard to Fourth Street North Half ........... 3.6-33 3.6-18 Future With Project Noise Contours - Santa Ana Boulevard to Fourth Street South Half ........... 3.6-34 3.6-19 Future With Project Noise Contours - Fourth Street to First Street..............................................3.6-35 F: IPRO.I-ENVIGrand eirlNew Text- GrandlTOCdoc TOC -5 Grand Avenue Widening Project Environmental Impact Report Table of Contents LIST OF TABLES ES -1 Summary of Impacts, Mitigation Measures and Level of Significance After Mitigation ............... ES -2 ES -2 Summary of Right -of -Way Takes.................................................................................................. ES -10 ES -3 Environmentally Superior Alternative........................................................................................... ES -15 1-1 Project Objectives...................................................................................................................:..........1-16 1-1 Summary of Comments in Response to the Notice of Preparation..................................................1-18 1-3 Summary of Comments from the Scoping Meeting.........................................................................1-19 3.2-1 Potential Right -of -Way Impacts.......................................................................................................3.2-7 3.2-2 Summary of Right -of -Way Takes..................................................................................................3.2-12 3.2-3 Consistency with SCAG Land Use Related Policies.....................................................................3.2-15 3.3-1 Summary of Residential Displacements..........................................................................................3.3-2 3.4-1 Existing Air Quality Levels Measured at the Source Receptor Area 17 AirQuality Monitoring Station ......................... .......................................................................... .... .3.4-4 3.4-2 Existing Carbon Monoxide Concentrations.....................................................................................3.4-7 3.4-3 Worst Case Projections of Carbon Monoxide Concentrations for 2020 .......................................3.4-12 3.4-4 Consistency with SCAG Air Quality Related Policies..................................................................3.4-13 3.5-1 Road Level of Service Summary for Existing Conditions...............................................................3.5-4 3.5-2 Intersection Level of Service Summary for Existing Conditions....................................................3.5-4 3.5-3 Maximum Average Daily Traffic for Arterial Roads .......................... ............................................ 3.5-8 3.5-4 Level of Service Criteria for Signalized Intersections.....................................................................3.5-9 3.5.5 2020 Road Level of Service Summary..........................................................................................3.5-12 3.5-6 2020 Intersection Level of Service Summary ................................................................................3.5-12 3.5-7 Consistency with the SCAG Transportation Policies....................................................................3.5-17 3.6-1 Typical A -Weighted Noise Levels...................................................................................................3.6-2 3.6-2 Locations of Noise Monitoring Positions .... ..................................................................................... 3.6-6 3.6-3 Existing Noise Measurements..........................................................................................................3.6-7 3.64 Distances to Existing Noise Contours............................................................................................3.6-15 3.6-5 Projected Unmitigated Railroad Noise Levels ................................................... ............................ 3.6-16 3.6-6 Distances to 2020 No Project Noise Contours...............................................................................3.6-25 3.6-7 Distances to 2020 With Project Noise Contours .......................... .................................................. 3.6-25 3.6-8 Noise Levels at 50 Feet from Road Centerline and Changes in Noise Levels in the Future ......... 3.6-36 3.6-9 Distances to the 65 dB CNEL Noise Contour for the 2020 With Project Case.............................3.6-39 3.6-10 Projected Noise Levels at Residential Lots Under Alternative 1 ...................................................3.6-41 3.6-11 Projected Noise Levels at Residential Lots Under Alternative 2 ...................................................3.6-42 3.6-12 Noise Barrier Calculations for Residential Lots on Grand Avenue Between Seventeenth Streetand Santa Ana Boulevard.....................................................................................................3.6-43 3.6-13 Noise Barrier Calculations for Residential Lots on Grand Avenue Between Santa Ana Boulevardand Fourth Street...........................................................................................................3.6-43 3.6-14 Noise Barrier Calculations for Residential Lots on Grand Avenue Between Fourth andFirst Streets..............................................................................................................................3.6-44 3.7-1 Potentially Historic Structures on Grand Avenue Between First and SeventeenthStreets ........ ................................................................................................................... 3.7-5 6-1 Summary of Land Use Element Policies Related to Population and Housing...................................6-7 6-2 Summary of Housing Element Policies Related to Population and Housing.....................................6-7 6-3 Summary of Housing Stock by Type Unit in the City of Santa Ana for 1990 and 2000 ...................6-8 6-4 Summary of Take of Residential Units and Parcels..........................................................................6-10 F:IPROJ--ENMGrand eirWew Text- GrandITOC.doc TOC -6 Grand Avenue 11 zdening Project Environmental Impact Report Table of Contents 7-1 Mitigation Monitoring Program ................................................... ....................................................... 7-3 8-1 Distances to Noise Contours...............................................................................................................8-4 F. PROD-ENVIGrand eirWew Text - GrandITOC.doc TOC -7 GLOSSARY OF ACRONYMS Grand Avenue Widening Project Environmental Impact Report Glossary of Acronyms GLOSSARY OF ACRONYMS AAQS Ambient air quality standard/standards ADT Average daily traffic ANSI American National Standards Institute AQMD South Coast Air Quality Management District AQMP Air Quality Management Plan BF At building face CAA Federal Clean Air Act CARB California Air Resources Board CCAA California Clean Air Act CEQA California Environmental Quality Act CNEL Community Noise Equivalent Level CO Carbon monoxide dB Decibel MA A -weighted decibel EIR Environmental Impact Report EPA United States Environmental Protection Agency FHWA Federal Highway Administration F Fahrenheit ft feet HOV High occupancy vehicle HRI California State Historic Resources Inventory Hz Hertz I-5 1-5 ICU Intersection Capacity Utilization IS Initial Study Leq Equivalent noise level Lmax Maximum noise level Linin Minimum noise level LOS Level of service MCC Mortgage Credit Certificate MMP Mitigation Monitoring Program MPAH Master Plan of Arterial Highways MPSH Master Plan of Streets and Highways NO2 Nitrogen dioxide NOP Notice of Preparation NOx Nitrogen oxides F: IPROJ-ENMGrandeirWew Text - Gran ftlossary.doc Page G-1 Grand Avenue Widening Project Environmental Impact Report Glossary of Acronyms 03 Ozone PL At property line PM10 Particulates ten microns or less in diameter ppm parts per million ROG Reactive organic gases SCAG Southern California Association of Governments SCC South Central Coastal Information Center SCRRA Southern California Regional Rail Authority SHPO State Historic Preservation Officer SO2 Sulfur dioxide Sox Sulfur oxides TDM Transportation Demand Management USGS United State Geological Survey V/C volume/capacity Vphpl 'Vehicles per hour per lane vpd Vehicles per day F: WROJ-ENM Grand eirWew Text - Gran&glossary.doe Page G-2 EXECUTIVE SUMMARY Grand Avenue Widening Project Environmental Impact Report Executive Summary EXECUTIVE SUMMARY ES.1 PURPOSE OF THE ENVIRONMENTAL IMPACT REPORT The City of Santa Ana is proposing to widen the segment of Grand Avenue between Seventeenth Street on the north and First Street on the south, to the General Plan Circulation Element designation of Major Arterial. This Focused Environmental Impact Report (EIR) documents the analysis conducted by the City to assess the potential for the widening alternatives to result in significant adverse environmental impacts. The City of Santa Ana is the lead agency under the California Environmental Quality Act (CEQA) for this EIR for the Grand Avenue widening project. ES.2 DESCRIPTION OF THE PROPOSED PROJECT The location of the project segment of Grand Avenue is shown later on Figure 1-1. The City of Santa Ana developed two build alternatives for the project segment of Grand Avenue. Alternatives 1 and 2, which assume cross sections of 100 and 120 feet on the project segment of Grand Avenue, respectively, are shown later on Figures 1-2 and 1-3. Typical cross sections on Grand Avenue under these alternatives are also shown on Figures 1-2 and 1-3. The City also identified a no build or No Project Alternative. Alternatives 1 and 2 and the No Project Alternative are evaluated in this Focused EIR. ES.3 SUMMARY OF ENVIRONMENTAL IMPACTS Section 3.0 (Existing Conditions, Impacts and Mitigation Measures) of this EIR documents the technical analysis of the potential impacts of the proposed project related to land use and planning, population and housing, air quality, transportation, noise and cultural resources. Section 4.0 (Unavoidable Adverse Impacts) summarizes the potentially significant adverse impacts of the proposed Grand Avenue widening which cannot be avoided or mitigated to below a level of significance. Section 6.0 (Growth Inducing and Cumulative Impacts of the Proposed Project) describes the potential for the proposed. project to result in growth inducing and cumulative impacts. In summary, the potential for the proposed Grand Avenue widening to result in adverse impacts related to these environmental parameters is described below and is summarized in Table ES -1. Land Use and Planning: As summarized in Table ES -2 and described later in Section 3.2 (Land Use and Planning), the proposed Grand Avenue widening will require the acquisition of property to accommodate the widened road section under Alternatives 1 and 2. Mitigation measures LP -2 to LP -5, provided later in Section 3.2.5 (Mitigation Related to Land Use), will substantially mitigate these impacts under Alternatives I and 2, to below a level of significance. There will be a significant impact on an established community due to community disruption caused by the removal of existing structures under Alternatives 1 and 2. Also Alternative 1 is inconsistent with the City's Bikeway Master Plan and Policy 3.3 of the Circulation Element. Mitigation measure LP -1, which applies only to Alternative 1, would mitigate this inconsistency to below a level of significance. 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Ol W Grand Avenue Widening Project Environmental Impact Report Executive Summary TABLE ES -2 SUMMARY OF RIGHT-OF-WAY TADS Type of Parcel Alternative 1 Alternative 2 Full Takes Partial Takes Full Takes Partial Takes Single Family Residential Units 20 0 23[3] 0 Multiple Family Residential Units [ 1] 41 0 41 0 Multiple Family Residential Parcels [21 5 0 5 0 Commercial 20 16 29 16 Public/Other [4] 0 4 0 4 Office 0 0 1 0 Total Takes (Parcels) 45 20 56 20 Total Takes (Residential Units) 61 0 64 0 [1] Estimated number of affected individual housing units. [2] These are individual parcels occupied by two or more multiple family residential units. For example, the 5 multiple family parcels identified as full takes under Alternative 1 contain an estimated total of 41 multiple family residential uses. [3] This includes the parcel with map reference No. 44 that has three single family units on one parcel. [4] This includes public uses, church use and church parking lot. Population and Housing: As described later in Section 3.3.4 (Impacts Related to Population and Housing), Alternatives 1 and 2 will require the acquisition of single and multiple family dwelling units, with Alternative 1 displacing approximately 264 residents and Alternative 2 displacing approximately 277 residents. Mitigation measures LP -2 to LP -5, provided later in Section 3.2.5, would substantially reduce the potential impacts of the proposed widening of Grand Avenue under Alternatives 1 and 2 related to population and housing. However, based on the demand for affordable and moderately priced housing and the available housing stock, the cumulative loss of residential units in the City of Santa Ana cannot be mitigated to below a level of significance. Therefore, Alternatives 1 and 2 would contribute to a cumulative significant adverse impact related to population and housing which cannot be mitigated to below a level of significance. Air Onali : As described later in Section 3.4 (Air Quality), the proposed Grand Avenue widening will not result in significant short term adverse air quality impacts after mitigation. The Grand Avenue widening will not result in long term adverse air quality impacts. Transportation: As described later in Section 3.5 (Transportation), the proposed Grand Avenue widening will not result in significant short or long term adverse impacts related to transportation and circulation with the exception of the intersection of Grand Avenue and Santa Ana Boulevard in the PM peak hour in 2020. To accommodate the additional through lane for Grand Avenue, the existing southbound dual right turn lanes would be converted to a through lane and an exclusive right tum lane. This conversion does not allow the same level of tum movements as the current configuration. The projected operation for this intersection for PM peak hour in 2020 is level of F: IPROJ-ENMGrand eirWew Text - GrandlExecutive Summary -new. doe Page ES -10 Grand Avenue Widening Project Environmental Impact Report Executive Summary service F. This cannot be mitigated because there is no available right-of-way under the I-5 bridge to add an additional turn lane. Therefore, this would be an unavoidable adverse impact of the proposed project under either Alternative I or 2. Noise: As described later .in Section 3.6.4 (hnpacts Related to Noise), the construction of Alternatives 1 and 2 would result in temporary, short term significant adverse noise impacts. These potential short term noise impacts under Alternatives 1 and 2 would be substantially mitigated based on implementation of mitigation measure N-1. However, the anticipated noise levels of construction equipment and construction activities cannot be mitigated to below a level of significance, because of the proximity of the proposed widening project to adjacent noise sensitive land uses. Therefore, in the short term, the construction of the proposed Grand Avenue widening under Alternatives 1 and 2 would result in temporary significant adverse noise impacts which cannot be mitigated to below a level of significance. The long term noise impacts of the proposed Grand Avenue widening under Alternatives 1 and 2 will result in adverse noise impacts on sensitive land uses adjacent to Grand Avenue. Mitigation measure N-2, provided later in Section 3.6.5 (Mitigation Related to Noise), will substantially reduce these noise impacts, to within City standards and, therefore, to below a level of significance. Cultural Resources: As described later in Section 3.7 (Cultural Resources), the proposed Grand Avenue widening under Alternatives 1 and 2 will not result in significant adverse impacts related to archeological resources. As described later in Section 3.7.4 (Impacts Related to Cultural Resources), Alternatives 1 and 2 will result in significant adverse impacts on residences at 702 and 714 North Grand Avenue which appear to be eligible for listing on the Santa Ana Register of Historic Property. Mitigation measure CR -7 would potentially avoid or partially reduce these impacts. In the event that the City cannot avoid acquisition of these properties, the impacts of Alternatives 1 and 2 on these resources, even with implementation of mitigation measure CR -7, would be significant, adverse and unavoidable. Alternatives I and 2 could result in adverse impacts on previously unknown buried archeological resources. These impacts will be mitigated to below a level of significance based on implementation of measures CR -1 to CR -6. Growth Inducing hnnacts: As described in detail later in Section 6.1 (Growth Inducing Impacts), the proposed Grand Avenue widening would not be considered growth inducing because it will not meet any of the following criteria identified in the CEQA Guidelines: Grand Avenue is an existing arterial in a largely developed area. Public services, including streets, are already provided in this area. The existing cross section of Grand Avenue is not considered an impediment to development and the proposed widening would not provide new access to any area. The proposed widening will require the acquisition of privately owned right-of-way. Remainder parcels are anticipated to be combined and redeveloped in new uses. Those uses F.•IPROJ-ENP1Grand eirWew Text - GrandlExecutive Summary-new.doc Page ES -II Grand Avenue Widening Project Environmental Impact Report Executive Summary would be required to be consistent with the existing General Plan and zoning designations for these areas and would be expected to be similar to the existing uses on Grand Avenue. Therefore, the proposed project will not itself result in economic expansion or growth. ■ The proposed widening is consistent with the General Plan Circulation Element and, therefore, is not a precedent setting action. ■ The proposed project would widen an existing segment of Grand Avenue in an area already largely developed in urban and suburban uses. Cumulative Impacts: As described in detail later in Section 6.2 (Cumulative Impacts), Alternatives 1 and 2 will contribute to cumulatively significant adverse impacts related to population and housing. Alternatives 1 and 2 will not contribute to cumulatively significant adverse impacts related to land use and planning, geology and seismicity, water, air quality, transportation and circulation, biological resources, energy and mineral resources, hazards, noise, utilities and service systems, aesthetics, cultural resources and recreation. ESA SUMMARY OF IMPACTS FOUND NOT TO BE SIGNIFICANT Based on the Initial Study Checklist, included in Appendix A of this EER, the proposed Grand Avenue widening was determined to not result in a significant adverse impact or to result in an adverse impact which would be mitigated to below a level of significance for the following environmental parameters: Land Use: The proposed Grand Avenue widening will not result in adverse impacts related to consistency with the Circulation Element of the City of Santa Ana General Plan; compliance with the requirements of CEQA, the CEQA Guidelines and the City of Santa Ana environmental guidelines; and agricultural operations and agricultural soils. Population and Housing: The proposed Grand Avenue widening will not result in adverse impacts related to consistency with the General Plan Circulation Element of the City of Santa Ana and the existing and forecasted needs for transportation capacity in the area based on existing and planned land uses; the location, distribution; density and growth rate of the population; the generation of jobs; and the inducement of substantial growth in the area. Geology: The proposed Grand Avenue widening will not result in adverse impacts related to faults, earthquakes, ground shaking/lurching, ground failure or similar seismic hazards; soil expansion, liquefaction and subsidence; seiches, tsunamis and volcanoes; landslides and mudflows; topographic features; short term wind and water erosion of soils during construction; and unique geological or physical features on or adjacent to the project segment of Grand Avenue. Water: The proposed Grand Avenue widening will not result in adverse impacts related to changes in absorption, drainage patterns or the rate and amount of surface runoff; the exposure of people or property to flooding; the quality and quantity of surface waters; changes to river or stream channels or currents; changes to surface water bodies; changes in the flow or direction of groundwater, the F: IPROJ-ENMGrand eirlNew Text - GrandlExecutive Summary-new.doc Page ES -12 Grand Avenue Widening Project Environmental Impact Report Executive Summary quality and quantity of groundwater, or groundwater recharge; or the use of groundwater supplies for public water uses. Air Onali : The proposed Grand Avenue widening will not result in adverse impacts related to the alteration of air movements, moisture, climate or temperature in the area; and objectionable odors. Transportation: The proposed Grand Avenue widening will not result in adverse impacts related to consistency with the City's standards for Major Arterials, the Americans with Disabilities Act guidelines and adopted policies supporting alternative transportation; compatibility with adjacent land uses; impacts during construction related to design hazards and emergency access; and rail, waterborne or traffic services or facilities. Biological Resources: The proposed Grand Avenue widening will not result in adverse impacts related to endangered, threatened or rare species, locally designated species and natural communities, wetland habitats, or wildlife dispersal or migration corridors. Energy and Mineral Resources: The proposed Grand Avenue widening will not result in adverse impacts related to adopted energy conservation plans or mineral resources. Hazards: The proposed Grand Avenue widening will not result in adverse impacts related to vehicles carrying hazardous substances; risks associated with explosions or release of hazardous substances; emergency and evacuation plans; hazardous materials sites and other health hazards; asbestos containing building materials; lead based paint and increased fire risk. Public Services: The proposed widening of Grand Avenue will not result in adverse impacts related to the demand for police and fire protection services and facilities; school facilities or school attendance; road maintenance costs for the City, and transit services. Utilities and Service Systems: The proposed Grand Avenue widening will not result in adverse impacts related to existing electric, natural gas, telephone and cable communication lines, facilities and services; local or regional water treatment and/or distribution facilities; sewage treatment facilities; domestic water pipelines, sewer lines and stormwater collection facilities; and solid waste disposal. Aesthetics: The proposed Grand Avenue widening will not result in adverse impacts related to scenic vistas, scenic highways, light and glare. Cultural Resources: The proposed Grand Avenue widening will not result in adverse impacts related to paleontological resources and unique ethnic cultural values. Recreation: The proposed Grand Avenue widening will not result in adverse impacts related to recreational facilities. F. IPROJ-ENMGrand eirWew Text - GrandlExecutive Summary-new.doc Page ES -13 Grand Avenue Widening Project Environmental Impact Report Executive Summary ES.5 ENVIRONMENTALLY SUPERIOR ALTERNATIVE Table ES -3 summarizes the potential environmental impacts associated with Alternatives 1 and 2 and the No Project Alternative, based on detailed analyses provided later in Sections 2.0 (Impacts Found Not To Be Significant Based on the Initial Study), 3.0 (Existing Conditions, Impacts and Mitigation Measures) and 8.0 (No Project Alternative). Table ES -3 provides a qualitative ranking of Alternatives 1 and 2 and the No Project Alternative. This ranking is a qualitative summary of the detailed technical analysis of the potential environmental impacts of Alternatives 1 and 2 and the No Project Alternative which were summarized in Table ES -1 and which are provided in detail in Section 3.0 (Existing Conditions, Impacts and Mitigation Measures). Refer to the following specific sections in Section 3.0 for those detailed discussions of the impacts of each of these Alternatives: Section 3.2: Land Use and Planning Section 3.3: Population and Housing Section 3.4: Air Quality Section 3.5: Transportation. Section 3.6: Noise Section 3.7: Cultural Resources The purpose of the ranking system is to provide a method for assessing which alternative is environmentally superior when comparing environmental parameters and impacts. A ranking of 1 for an environmental parameter indicates the environmentally superior alternative for that parameter. Rankings of 2 and 3 indicate the second and third best performing alternatives, respectively, for that particular parameter, in terms of environmental superiority. An "*" indicates that the alternatives would result in similar impacts, with no alternative clearly superior to the others, or would result in no significant impacts. These rankings are not cumulative and should not be summed for a "grand total" to identify the environmentally superior alternative. This is because the ranking only assesses each alternative for a specific parameter; it does not consider the importance or weighting of any given parameter compared to another parameter. Therefore, a "grand total" does not accurately reflect which alternative is environmentally superior. As shown in Table ES -3, there is no environmentally superior alternative for a number of the environmental parameters including geology, biological resources, energy, hazards, public services, utilities, aesthetics, cultural resources and recreation. The No Project Alternative is environmentally superior to Alternatives I and 2 related to the following parameters: ■ Land Use: The No Project Alternative would not require the acquisition of any property. ■ Population and Housing_ The No Project Alternative would not result in any displacements. ■ Geology: The No Project Alternative would not require any construction and would not result in any potential for erosion. F. IPROJ-EWGrand eirlNew Text - GrandlExecutive Summary-new.doc Page ES -14 Grand Avenue Widening Project Environmental Impact Report Executive Summary TABLE ES -3 ENVIRONMENTALLY SUPERIOR ALTERNATIVE F.• IPROJ-ENMGrand eirlNew Text - GrandlExecutive Summary-new.doc Page ES -15 Ranking Environmental Parameter Alternative Alternative 2 No Project 1 (120 feet wide) Alternative (100 feet wide Land Use Consistency with Plans 2 1 3 Land Use Property Acquisition 2 3 1 Land Use Impact Established Community 2 2 1 Population/Housing Induced growth Consistency with Projections Displacements 2 3 1 Geology Seisnric and soils * . Erosion 2 2 1 Water Air Quality Odors Construction impacts 2 2 1 Long term impacts 1 1 2 Changes in temperature Transportation Traffic volumes 1 1 2 Hazards/access Bicycle 2 1 3 Watercourses/rail Biological Resources Energy Plans Mineral resources Hazards Hazardous materials Emergency evaluation Public Services Utilities Aesthetics 1 1 2 Cultural Resources Paleontological Archeological Historic Recreation Noise Construction 2 2 1 Operations 1 1 2 F.• IPROJ-ENMGrand eirlNew Text - GrandlExecutive Summary-new.doc Page ES -15 Grand Avenue Widening Project Environmental Impact Report Executive Summary ■ Air Quality The No Project Alternative would not require any construction and would not result in any short term construction air quality impacts. ■ Noise: The No Project Alternative would not require any construction and would not result in any short term construction noise. impacts. Alternative 1 is environmentally superior to the No Project Alternative and/or Alternative 2, as noted, related to the following parameters: ■ Air Quality: The improved traffic operating conditions under Alternative 1 would result in slight long term air quality benefits compared to the No Project Alternative, similar to the benefits that would occur under Alternative 2. ■ Land Use: Alternative 1 is environmentally superior to Alternative 2 because it would result in less property acquisition than Alternative 2. ■ Population and Housing: Alternative 1 is environmentally superior to Alternative 2 because it would result in fewer displacements than Alternative 2. ■ Noise: Alternative 1 is environmentally superior to the No Project Alternative related to long term traffic noise because Alternative 1 includes mitigation of traffic related noise which would not be mitigated under the No Project Alternative. ■ Traffic: Alternative 1 is environmentally superior to the No Project Alternative because it improves the project segment of Grand Avenue consistent with the General Plan and Master Plan of Arterial Highways (MPAH) designation for this road segment and with existing and forecasted demand. ■ Aesthetics: Alternative 1 is environmental superior.to the No Project Alternative related to aesthetics because it includes implementation of landscaped medians on the project segment of Grand Avenue. Alternative 2 is environmentally superior to the No Project Alternative and Alternative 1, as noted, related to the following parameters: ■ Land Use: Alternative 2 is the only alternative that is consistent with the City's Bikeway Master Plan of the Circulation Element. ■ Air Quality The improved traffic operating conditions under Alternative 2 would result in slight long term air quality benefits compared to the No Project Alternative, similar to the benefits that would occur under Alternative 1. ■ Aesthetics: Alternative 2 is environmentally superior to the No Project Alternative related to aesthetics because it includes implementation of landscaped medians on the project segment of Grand Avenue, similar to the benefits that would occur under Alternative 1. F: IPROJ-ENVIGrand eirWew Text - GrandMecutive Summary-new.doc Page ES -16 Grand Avenue Widening Project Environmental Impact Report Executive Summary ■ Traffic: Alternative 2 is environmentally superior to the No Project Alternative because it improves the project segment of Grand Avenue consistent with the General Plan and MPAH designation for this road segment and with existing and forecasted demand, similar to the benefits that would occur under Alternative 1. ■ Noise: Alternative 2 is environmentally superior to the No Project Alternative related to long term traffic noise because Alternative 2 includes mitigation of traffic related noise which would not be mitigated under the No Proj ect Alternative. Based on the qualitative summary in Table ES -3, the No Project Alternative is the environmentally superior alternative because it does not result in the property acquisition and displacement, erosion, short term air quality and short term noise impacts which would occur under Alternatives 1 and 2. However, the No Project Alternative is not consistent with the General Plan Circulation Element and would not provide the increased traffic capacity needed on the project segment of Grand Avenue. The No Project Alternative would also not provide the on street bike lane designated in the City's Bikeway Master Plan. Table ES -1, provided earlier, summarizes the unavoidable significant adverse impacts under Alternatives 1 and 2. As shown in Tables ES -1 and ES -3, Alternative 1 would be environmentally superior to the No Project Alternative because it would be consistent with the General Plan Circulation Element Major Arterial designation and it would result in beneficial long term effects related to air quality, noise and traffic compared to the No Project Alternative. Alternative 1 would be environmentally superior to Alternative 2 because it results in the acquisition of fewer parcels and the displacement of substantially fewer residents. However, Alternative 1 would not be consistent with the General Plan Bikeway Master Plan. Alternative 2 would also be environmentally superior to the No Project Alternative because it would be consistent with the General Plan Circulation Element Major Arterial designation and the City of Santa Ana Bikeway Master Plan, and it would result in beneficial long term effects related to air quality, noise and traffic compared to the No Project Alternative. Alternative 2 would not be environmentally superior to Alternative 1 related to land use, population and housing because Alternative 2 would result in the acquisition of more parcels and the displacement of more residents than Alternative 1. For the remaining unavoidable adverse impacts, Alternatives 1 and 2 are essentially the same, with neither being environmentally superior to the other. In summary, the No Project Alternative would not be environmentally superior because it does not meet defined project goals to implement the Circulation Element Major Arterial designation and the City's Bikeway Master Plan for the project segment of Grand Avenue. Alternatives 1 and 2 would be superior to the No Project Alternative because they would meet the project goal to implement the Circulation Element Major Arterial designation and would meet the other defined project goals. ES.6 PROJECT OBJECTIVES As discussed in detail in Section 1.2 (Project Objectives), the objectives of the proposed Grand Avenue are to: F.•IPROJ-ENMGrand eirWew Text - GrandlExecutive Summary-new.doc Page ES -17 Grand Avenue Widening Project Environmental Impact Report Executive Summary Improve the segment of Grand Avenue between Seventeenth Street on the north and First Street on the south to the City of Santa Ana General Plan Circulation Element and the Orange County Master Plan of Arterial Highways designations of Major Arterial for this road segment. 2. Improve the flow of traffic on this segment of Grand Avenue in the City of Santa Ana, consistent with existing and forecasted traffic demand. 3. Provide bike lanes on this segment of Grand Avenue, consistent with the adopted City of Santa Ana Bikeway Master Plan and the Orange County Master Plan of Bikeways. 4. Provide a cross section on the project segment of Grand Avenue compatible with the existing cross sections on Grand Avenue north and south of the project segment. Provide a cross section on the project segment of Grand Avenue compatible with recent improvements at local intersections with Grand Avenue and the recent improvements to I-5. As described in Section 1.2 and as described in detail in Table 1-1, Alternative 2 meets all the defined project objectives. Alternative I meets objectives numbers 1, 2, 4 and 5 but does not meet objective number 3. The No Project Alternative meets only objectives 4 and 5. ES.7 PREFERRED ALTERNATIVE The City has identified Alternative 2 as the preferred alternative for the proposed widening of Grand Avenue. Alternative 2 meets all five of the defined project objectives and the majority of the significant adverse environmental impacts under this Alternative can be mitigated to below a level of significance. F: WROJ-ENMGrand eirlNew Text - GrandExecutive Summary-new.doc Page ES -18 Section 1.0 PROJECT DESCRIPTION AND PROJECT OBJECTIVES Grand Avenue Widening Project Environmental Impact Report Section 1.0 SECTION 1.0 PROJECT DESCRIPTION AND PROJECT OBJECTIVES 1.1 PROPOSED PROJECT 1.1.1 OVERVIEW The City of Santa Ana is proposing to widen the segment of Grand Avenue between Seventeenth Street on the north and First Street on the south, to the General Plan Circulation Element designation of Major Arterial. As defined in the Circulation Element, a Major Arterial includes six through travel lanes and enhanced features at intersections, including dedicated right and left turn lanes, to maintain the operating capacity of the road. The City of Santa Ana is the lead agency under the California Environmental Quality Act (CEQA) for this E1R for the Grand Avenue widening project. The City is also the lead agency for the proposed Grand Avenue widening project. The City may need an encroachment permit from Caltrans for construction and traffic control measures on Grand Avenue within Caltrans right-of-way for Interstate 5 (I-5) at its interchange with Grand Avenue. The location of the project segment of Grand Avenue is shown in Figure 1-1. The City of Santa Ana developed two build alternatives for the project segment of Grand Avenue. Alternatives 1 and 2, which assume cross sections of 100 and 120 feet on the project segment of Grand Avenue, respectively, are shown in Figures 1-2 and 1-3. Typical cross sections on Grand Avenue under these alternatives are also shown in Figures 1-2 and 1-3. In addition, the City has identified a no build or No Project Alternative. Alternatives 1 and 2 and the No Project Alternative are evaluated in this Focused Environmental Impact Report (EIR). These alternatives are described in the following sections. Since the release of the Notice of Preparation, the centerlines for both Alternatives 1 and 2 have been shifted to reduce the extent of takes on the east side of Grand Avenue. In addition, a westbound right turn only lane from southbound Grand Avenue to westbound First Street; a right turn pocket from westbound First Street to northbound Grand Avenue; and a right turn pocket from westbound Seventeenth Street to northbound Grand Avenue have been added to both Alternatives 1 and 2. Also, Alternative 1 no longer includes a bicycle lane. Alternative 2 includes an on -street bicycle trail which is five feet wide in each travel direction. 1.1.2 DESCRIPTION OF BUILD ALTERNATIVE 1 Alternative 1 assumes the project segment of Grand Avenue would be widened from the existing four lanes in a cross section that varies from approximately 80 to 110 feet wide, to six lanes in a 100 foot wide cross section, with a landscaped median. The addition of the landscaped, center median would remove the opportunity for some left turns across this segment of Grand Avenue. No existing driveway access would be removed. Under this Alternative, the widening, including the acquisition of right-of-way, would occur intermittently on both the east and west sides of Grand Avenue. Alternative 1 is anticipated to result in the acquisition of a total of 479,239 square feet of right-of- way, in a total of 20 partial takes and 45 full takes of existing parcels along the project segment of Grand Avenue. The existing edge of right-of-way for Grand Avenue, and the proposed edge of right-of-way under Alternative 1, are shown on Figure 1-2. Table 3-1, provided later in this F.•IPROJ-ENVIGrand eirWew Text- GrandlSection 1.0-new.doc Page 1-1 ORANGE r'• I. I f— I Pith St. I � y C7 � First St. "' US T INI SANTA ANA 4k,VOTTOSCALE GRAND AVENUE LOCATION MAP 78DEnsGRAND AVE NUE WIDENING EIR O 7 i .44 0. p. 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N 2�� I m.r. _A6 No Qg zm- n8g I Qe Zs d r + L1,r L-�5 eeg x W p?c e2 N �, hRR tai ee ��. ;3 xa _51 Z Is to 4egied w�A�tl � �5 N _ N tlQ a F� m e 5599 RRB Ari e g I lQ .p5 ^fie Op zC yON �N NO Oln _s oa CO d etg I > �gm oil OF � @ qs-Ea g SF O0 lCb Z o Z. Nm i eek fA V' Oi NN �""e - � t 0 z 6 W �5 _ N tlQ a F� m 5599 RRB Ari � -61 .p5 ^fie Op zC yON 35 _s oa CO d �gm oil OF � @ qs-Ea SF 9^ Z = fA z 6 W N tlQ a F� 5599 _ �Cg V m �gm eR HC OF � 9C 9^ Z z 6 W Grand Avenue Widening Project Environmental Impact Report Section 1.0 EIR, identifies the fall and partial takes under Alternative 1, for each of the affected parcels along this segment of Grand Avenue. The resulting cross section would be consistent with the Major Arterial designation for this segment of Grand Avenue in the City of Santa Ana General Plan Circulation Element. This cross section would not include a bike lane which is not consistent with the adopted City of Santa Ana Bikeway Master Plan or Policy 3.3 of the Circulation Element. This Alternative would include landscaping in the median. The estimated cost for this Alternative, including final design, right-of-way acquisition, demolition and construction, is $29.27 million. As discussed above, Alternative 1 will require the acquisition of property to accommodate the widened road cross section. Because not all the property acquired will be used for the construction of Alternative 1, there will be remainder or remnant parcels left after the completion of construction. The City anticipates the majority of the remainder parcels would be combined into larger, developable parcels and sold to private parties for development. However, it is possible that some remainder parcels, even when combined with other remainder parcels, may not meet the City's minimum lot size requirements. In that event, the City would probably sell those remainder parcels to adjacent property owners. These parcels along the Grand Avenue corridor are designated for commercial or residential uses in the City's General Plan Land Use Element. The commercial designation applies to all the parcels on the west side of Grand Avenue for the entire project length from Seventeenth Street to First Street. The width of the commercial designation varies on both the east and west sides of Grand Avenue and is adjacent to areas designated low density residential. The commercial designation applies to the east side of Grand Avenue for the entire project length except for a small segment between 14`h and 15`h Streets that is designated low density residential. The EIR for the General Plan Land Use Element addressed potential impacts of commercial and residential uses on this segment of Grand Avenue at a program or planning level. As part of the future development process for these remainder parcels, any proposed commercial or residential uses would be subject to independent environmental review. That independent review would assess whether the potential impacts of proposed uses were addressed in the Land Use Element EIR or will require additional, separate environmental review prior to approval of the proposed uses by the City. It is anticipated that the widening of Grand Avenue under Alternative 1 will be constructed in phases, based on available funding. For example, as funding becomes available, the intersections could be improved, followed later by the widening of Grand Avenue on the segments between the intersections. Therefore, the construction period for the widening under Alternative 1 would not occur in one continuous time period. Construction activities could occur intermittently over a period of several years before construction of the entire widening project is complete. Alternative 1 also includes the mitigation measures identified in this EIR. Mitigation measure N-2, described later in Section 3.6 (Noise) indicates that Alternative 1 will require noise barriers adjacent to several properties on the project segment of Grand Avenue, to reduce project related noise to below the City of Santa Ana noise standards. The noise barriers at these properties are included as F.IPROJ-ENMGrand eir.Wew Text- GranMection 1.0-new.doc Page 1-11 Grand Avenue Widening Project Environmental Impact Report Section 1.0 part of Alternative 1. The Mitigation Monitoring Program (MMP) described in detail later in Section 8.0 (Mitigation Monitoring Program) is incorporated in the description of Alternative 1. 1.1.3 DESCRIPTION OF BUILD ALTERNATIVE 2 Alternative 2 assumes the project segment of Grand Avenue would be widened from the existing four lanes in a cross section that varies from 80 to 110 feet wide, to six lanes in a 120 foot wide cross section, with a landscaped median. The addition of the landscaped, center median would remove the opportunity for some left turns across this segment of Grand Avenue. Existing driveway accesses would be retained. Under this Alternative, the widening, including the acquisition of right-of-way, would occur intermittently on both the east and west sides of Grand Avenue. Alternative 2 is anticipated to result in the acquisition of a total of 654,318 square feet of right-of-way, in a total of 20 partial takes and 56 full takes of existing parcels along this segment of Grand Avenue. The existing edge of right-of-way for Grand Avenue, and the proposed edge of right-of-way under Alternative 2, are shown on Figure 1-3. Table 3-1, provided later in this EIR, identifies the full and partial takes under Alternative 2, for each of the affected parcels along this segment of Grand Avenue. The resulting cross section would be consistent with the Major Arterial designation for this segment of Grand Avenue in the City of Santa Ana General Plan Circulation Element. This cross section would include a five-foot wide, on -street, Class II Bikeway as shown on Grand Avenue as shown in the adopted City of Santa Ana Bikeway Master Plan. This Alternative would also include a landscaped median. The estimated cost for this Alternative, including final design, right-of-way acquisition, demolition and construction, is $39.89 million. As discussed above, Alternative 2 will require the acquisition of property to accommodate the widened road. Because not all the property acquired will be used for the construction of Alternative 2, there will be remainder or remnant parcels left after the completion of construction. The City anticipates the majority of these remainder parcels would be combined into larger, developable parcels and sold to private parties for development. However, it is possible that some remainder parcels, even when combined with other remainder parcels, may not meet the City's minimum lot size requirements. In that event, the City would probably sell those remainder parcels to adjacent property owners. These parcels along the Grand Avenue corridor are designated for commercial or residential uses in the City's General Plan Land Use Element. The commercial designation applies to all the parcels on the west side of Grand Avenue for the entire project length from Seventeenth Street to First Street. The width of the commercial designation varies on both the east and west sides of Grand Avenue and is adjacent to areas designated low density residential. The commercial designation applies to the east side of Grand Avenue for the entire project length except for a small segment between 10 and 15th Streets that is designated low density residential. The EIR for the General Plan Land Use Element addressed potential impacts of commercial and residential uses on this segment of Grand Avenue at a program or planning level. As part of the future development process for these remainder parcels, any proposed commercial or residential uses would be subject to independent environmental review. That independent review will assess F: IPROJ-ENMGrand eirWew Text - GrandlSection 1.0-new.doc Page 1-12 Grand Avenue Widening Project Environmental Impact Report Section 1.0 whether the potential impacts of proposed uses were addressed in the Land Use Element EIR or will require additional, separate environmental review prior to approval of the proposed uses by the City. It is anticipated that the widening of Grand Avenue under Alternative 2 will be constructed in phases, based on available funding. For example, as funding becomes available, the intersections could be improved, followed later by the widening of Grand Avenue on the segments between the intersections. Therefore, the construction period for the widening under Alternative 2 would not occur in one continuous time period. Construction activities could occur intennittently over a period of severalyears before construction of the entire widening project is complete. Alternative 2 also includes the mitigation measures identified in this EIR. Mitigation measure N-2, described later in Section 3.6 (Noise) indicates that Alternative 2 will require noise barriers adjacent to several properties on the project segment of Grand Avenue, to reduce project related noise to below the City of Santa Ana noise standards. The noise barriers at these properties are included as part of Alternative 2. The MMP described in detail later in Section 8.0 is incorporated in the description of Alternative 2. The City has identified Alternative 2 as the preferred alternative for the proposed widening of Grand Avenue. Alternative 2 meets all five of the defined project objectives and the majority of the significant adverse environmental impacts under this Alternative can be mitigated to below a level of significance. 1.1.4 PROPERTY ACQUISITION Both Alternatives 1 and 2 will involve acquisition of privately owned property to provide adequate right of way for the road widening and setbacks from the new curb of Grand Avenue consistent with City requirements. This process will involve precise surveys of the area to be acquired, property appraisals, negotiation with each of the property owner(s) on compensation, and finally City Council approval of the acquisition agreements. There may be instances where only a part of the property would be necessary to accommodate the road widening. In these instances it is possible that an existing building could be physically retrofitted to accommodate the setback from the new property line. The issue of full or partial acquisition will be negotiated with each property owner pursuant to the Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970 as implemented by the City of Santa Ana. Much of this process is described in a question and answer format in the City of Santa Ana Handbook on Acquisition which is included as Appendix I in this EIR. This issue of properties that will be affected under both alternatives is further discussed in Section 3.2 (Land Use). 1.1.5 ALTERNATIVES Section 15126(d) of the CEQA Guidelines requires EIRs to consider a reasonable range of alternatives to the project or the location of a project which would feasibly attain most of the project objectives but which would avoid or substantially lessen any of the significant adverse impacts of the project. This Section of the CEQA Guidelines specifically requires that a No Project Alternative be assessed in the EIR. F: IPROJ-ENMGrand eirWew Text - GranMection 1.0-new.doc Page 1-13 Grand Avenue Widening Project Environmental Impact Report Section 1.0 In compliance with the requirements of the CEQA Guidelines, this EIR assesses the potential environmental impacts of Alternatives 1 and 2, described earlier, and the No Project Alternative. The assessment of the potential impacts of Alternatives I and 2 is provided in Sections 2.0 (Impacts Found Not to Be Significant Based on the Initial Study) and 3.0 (Existing Conditions, Impacts and Mitigation Measures) in this EIR. The No Project Alternative is described briefly in the following section. The assessment of the potential environmental impacts of the No Project Alternative is provided later in Section 8.0 (No Project Alternative). hi addition, the City considered alternatives with all the widening on either the east or west side of Grand Avenue, as described later in this section. However, because these alternatives would not function effectively for traffic operations and would result in offset intersections at the north and south ends of the project segment of Grand Avenue, these alternatives were rejected from further consideration and are not assessed in detail in this EIR. Description of the No Project Alternative The No Project Alternative assumes the project segment of Grand Avenue would retain the existing four lanes in a cross section that varies in width from 80 to 110 feet wide and that no widening, bike lanes or other physical improvements would be constructed. Under this Alternative, existing conditions on the project segment of Grand Avenue would continue. The resulting cross section would not be consistent with the Major Arterial designation for this segment of Grand Avenue in the City of Santa Ana General Plan Circulation Element or with the adopted Bikeway Master Plan. Alternatives Considered and Rejected Alternatives 1 and 2 were developed based on existing constraints and fired points along the existing segment of Grand Avenue. These constraints and fixed points are related to existing road improvements and existing land uses in this area. For example, the alignment and location of Grand Avenue under the I-5 overcrossing are constrained by the locations of the piers and supports for the I-5 freeway structure. Other major fixed points include the location and layout of the intersections of Grand Avenue at Seventeenth Street and at First Street. The location of the Orange County Register and a large church on the east side of Grand Avenue were also considered as constraints to the widening of Grand Avenue in these areas. Based on these fixed points and constraints, it was not possible to reasonably consider an alternative which would result in the widening occurring entirely on either the east or west side of the street. This type of alternative would substantially shift the centerline of Grand Avenue, either east or west, and would have required substantial reconstruction of the 1-5 overcrossing and the intersections of Grand Avenue with Seventeenth and First Streets. Alternatives with the widening all on either the east or west side of Grand Avenue could also result in the intersections at the north and south ends of the project segment offset from the segment of Grand Avenue to the immediate north and south, respectively. From a traffic operations perspective, this would result in poor operating conditions because offset intersections are not as effective in accommodating vehicle movements. Similarly, aligning Grand Avenue to have equal right-of-way takes on the' east and west side of the street would not provide a cross section which most effectively accommodated the existing fixed points and constraints described above. Therefore, these alternatives were not considered in the detailed analysis in this Focused EIR. F.- PROJ-ENVAGrand eirWew Text - GranWection 1.0-new.doc Page 1-14 Grand Avenue Widening Project Environmental Impact Report Section 1.0 1.1.6 RELATED PROJECTS In addition to the proposed widening on Grand Avenue, several other local projects have recently been completed in the vicinity of the project segment of Grand Avenue: The reconstruction of Fourth Street and the undergrounding of existing utilities between Interstate 5 (I-5) and Minter Street, in an 80 foot wide right-of-way. ■ The addition of a right turn lane on westbound Fourth Street, to northbound Grand Avenue. ■ Construction of a sanitary sewer line in Grand Avenue between Fourth and Fruit Streets. 1.2 PROJECT OBJECTIVES The objectives of the proposed Grand Avenue widening project are to: Improve the segment of Grand Avenue between Seventeenth Street on the north and First Street on the south to the City of Santa Ana General Plan Circulation Element and the Orange County Master Plan of Arterial Highways designations of Major Arterial for this road segment. 2. hnprove the flow of traffic on this segment of Grand Avenue in the City of Santa Ana, consistent with existing and forecasted traffic demand. 3. Provide bike lanes on this segment of Grand Avenue, consistent with the adopted City of Santa Ana Bikeway Master Plan and the Orange County Master Plan of Bikeways. 4. Provide a cross section on the project segment of Grand Avenue compatible with the existing cross sections on Grand Avenue north and south of the project segment. 5. Provide a cross section on the project segment of Grand Avenue compatible with recent improvements at local intersections with Grand Avenue and the recent improvements to I-5. An important component of evaluating alternatives is assessing the ability of each alternative to satisfy the objectives for the project. Table 1-1 summarizes the project objectives and the ability of Alternatives 1 and 2 and the No Project Alternative to meet these objectives. As shown, Alternative 2 meets all the defined project objectives. Alternative 1 meets all but one of the project objectives. The No Project Alternative meets only two of the project objectives. F.-MW-ENMGrand eirWew Text- GrandlSection 1.0-new.doc Page 1-15 Grand Avenue Widening Project Environmental Impact Report Section 1.0 TABLE 1-1 PROJECT OBJECTIVES F- PROJ-EIVWrand eirWew Text - GrandWection 1.0-new.doc Page 1-16 Does Alternative Meet Objective? Alternative 1 Alternative 2 No Project Alternative Objective Improve the segment of Grand Avenue Yes; Alternative 1 would Yes; Alternative 2 would No; the No Project Alternative between Seventeenth Street on the north improve the project improve the project segment would not improve the project and First Street on the south to the City of segment of Grand of Grand Avenue to the segment of Grand Avenue to Santa Ana General Plan Circulation Avenue to the Major Major Arterial designation. the Major Arterial Element and the Orange County Master Arterial designation. designation. Plan of Arterial Highways designations of Major Arterial for this road segment. Improve the flow of traffic on this segment Yes; Alternative 1 would Yes; Alternative 2 would No; the No Project Alternative of Grand Avenue in the City of Santa Ana, improve the flow of improve the flow of traffic would not improve the flow of consistent with existing and forecasted traffic on this segment of on this segment of Grand traffic on this segment of traffic demand. Grand Avenue, Avenue, consistent with Grand Avenue, consistent consistent with existing existing and forecasted with existing and forecasted and forecasted traffic traffic demand. traffic demand. demand. Provide bilce lanes on this segment of No; Alternative 1 would Yes; Alternative 2 would No; the No Project Alternative Grand Avenue, consistent with the adopted not be consistent with the provide bilce lanes on this would not provide bike lanes City of Santa Ana Bikeway Master Plan adopted City of Santa segment of Grand Avenue, on this segment of Grand and the Orange County Master Plan of Ana Bikeway Master consistent with the adopted Avenue. Bikeways. Plan and the Orange City of Santa Ana Bikeway County Master Plan of Master Plan and the Orange Bikeways for this County Master Plan of segment of Grand Bikeways. Avenue because it would not provide bike lanes on this segment of Grand Avenue. Provide a cross section on the project Yes; Alternative 1 would Yes; Alternative 2 would Yes; the existing cross section segment of Grand Avenue compatible with provide a. cross section provide a cross section on under the No Project the existing cross sections on Grand on the project segment of the project segment of Grand Alternative provides a cross Avenue north and south of the project Grand Avenue Avenue compatible with the section on the project segment segment. compatible with the existing cross sections on of Grand Avenue compatible existing cross sections on Grand Avenue north and with the existing cross Grand Avenue north and south of the project segment. sections on Grand Avenue south of the project north and south of the project segment. segment. Provide a cross section on the project Yes; Alternative 1 would Yes; Alternative 2 would Yes; the existing cross section segment of Grand Avenue compatible with provide a cross section provide a cross section on under the No Project recent improvements at local intersections on the project segment of the project segment of Grand Alternative provides a cross with Grand Avenue and the recent Grand Avenue Avenue compatible with section on the project segment improvements to I-5. compatible with recent recent improvements at local of Grand Avenue compatible improvements at local intersections with Grand with recent improvements at intersections with Grand Avenue and the recent local intersections with Grand Avenue and the recent improvements to I-5. Avenue and the recent improvements to I-5. 1 improvements to I-5. F- PROJ-EIVWrand eirWew Text - GrandWection 1.0-new.doc Page 1-16 Grand Avenue Widening Project Environmental Impact Report Section 1.0 1.3 CEQA PROCESS 1.3.1 CALIFORNIA ENVIRONMENTAL QUALITY ACT This Focused Environmental Impact Report (EIR) was prepared pursuant to the provisions of the California Environmental Quality Act (CEQA) of 1970, as amended (Public Resources Code Section 21000 et seq.) and the CEQA Guidelines (California Code of Regulations Section 15000 et seq.). This Focused EIR assesses the potential impacts associated with the proposed widening of Grand Avenue between Seventeenth and First Streets in the City of Santa Ana. The City of Santa Ana is the Lead Agency for the proposed Grand Avenue widening. The City has the authority to adopt and implement proposed street improvements, consistent with the City of Santa Ana General Plan Circulation Element. The City is also the Lead Agency responsible for the environmental review for the proposed widening project. 1.3.2 INITIAL STUDY AND NOTICE OF PREPARATION The City of Santa Ana distributed a Notice of Preparation (NOP) of an EIR and an Initial Study (IS) for the proposed Grand Avenue widening project on May 13, 1998. The NOP/IS was distributed to the State Clearinghouse Office of Planning and Research, public agencies, utility and service providers, and homeowners' associations in the project area. A copy of the NOP/IS is provided in Appendix A of this EIR. The distribution list for the NOP/IS is provided in Appendix B. The City of Santa Ana received ten written responses to the NOP. Copies of these comment letters are provided in Appendix C. Table 1-2 summarizes the responses and indicates where in the IS and/or the EIR each specific environmental topic raised in these comment letters is located. 1.3.3 SCOPING MEETING The City of Santa Ana conducted a scoping meeting for the proposed Grand Avenue widening project on June 3, 1998. The meeting was held from 6:00 PM to 8:00 PM, in the Hoiles Auditorium at the Orange County Register, at 625 North Grand Avenue, in the project area. The scoping notice was sent to all property owners and tenants within 300 feet of the Grand Avenue right-of-way. The distribution list for the scoping meeting is mi cluded in Appendix D. The scoping notice was provided in both English and Spanish. A copy of the scoping notice is provided in Appendix D. The attendees at the scoping meeting were invited to sign in and were provided a short handout describing the project and a comment card if they wished to provide written comments. A Spanish language translator was available. Approximately 50 attendees signed in; there were an estimated 75 to 85 people in attendance. The attendance list is provided in Appendix D. F.-IPROJ-ENVIGrand eirWew Text- GrandlSection 1.0 -new. doe . Page 1-17 Grand Avenue Widening Project Environmental Impact Report Section 1.0 TABLE 1-2 SUMMARY OF COMMENTS IN REPSONSE TO THE NOTICE OF PREPARATION Agency Comment IS/EIR Sections Where Comment is Addressed City of Tustin Public No Comment Works/Engineering City of Garden Grove Planning No impact on the City of Garden Grove. Department The Gas Company, Orange Coast • Comments on the presence of gas facilities • Initial Study pages 3-30 to 3-32. Region in the project area and gas service to the project. Planning and Development Services No comment. _ Department County of Orange Southern California Association of • Consistency with growth policies. • EIR Section 3.2 (Land Use and Governments • Consistency with Regional Mobility Planning) Element policies. • BIR Section 3.4 (Air Quality) • EIR Section 3.5 (Transportation and Circulation South Coast Air Quality • Identify air quality impacts and provide • EIR Section 3.4 (Air Quality) Management District mitigation measures. Orange County Transportation No comment. _ Authority California Department of No comment. Transportation Santa Ana Unified School District • Coordinate student pedestrian routes with • Initial Study pages 3-28 to 3-30. Remington Elementary and Siena Intermediate schools prior to and during construction. County Sanitation Districts of • Protect existing sewer line in place; • Initial Study pages 3-30 to 3-35. Orange County, California coordinate changes in manhole cover elevations and any proposed relocation of sewer with the Districts. The format of the scoping meeting was an informal open house. Maps of the project alternatives, showing the expected property acquisition needs, and aerial photographs of the project area were available for review. City staff and consultants to the City were available to explain the project alternatives and answer questions. Because of the number of attendees, it was helpful to provide a general overview of the proposed project, followed by general questions and answers. Several attendees provided written comments at the scoping meeting. In addition, verbal comments provided at the meeting were noted by staff and the consultants. Table 1-3 summarizes the written and verbal comments provided by the meeting attendees and indicates where in the IS and/or the EIR each specific environmental topic raised in these comments letters is located. 1.3.4 FORMAT OF THE EIR As noted above, this EIR focuses on the analysis of those environmental parameters which may experience significant adverse impacts as a result of the proposed • Grand Avenue widening alternatives. This analysis is documented in this Focused EIR as follows: F.IPROJ-ENVIGrand eirlNew Text- GrandlSection 1.0-new.doc page I-18 Grand Avenue Widening Project Environmental Impact Report Section 1.0 TABLE 1-3 SUMMARY OF COMMENTS FROM THE SCOPING MEETING F: IPROJ-ENVIGrand eirlNew Text - GrandlSection 1.0-new.doc Page 1-19 Comment IS/EIR Sections Where Comment is Addressed • Loss of on site parking. + EIR Section 3.2 Land Use and Planning). • Non -conforming land uses after property takes. • EIR Section 3.2 Land Use and Planning). • Loss of business signing at the street edge. • This is not an environmental issue under CEQA. • Adverse effects on business operations short and long • EIR Section 3.2 (Land Use and Planning). term. . EIR Section 3.5 (Transportation and Circulation). • EIR Section 3,6 (Noise). • Loss of left turns as a result of the proposed median. • EIR Section 3.5 (Transportation and Circulation). • Noise. • EIR Section 3.6 (Noise). • Impacts on access during construction. • SIR Section 3.5 (Transportation and Circulation). • Compensation for property acquisition. • EIR Section 3.2 Land Use and Planning). • Consider shifting widening so all property takes are on • EIR Section 1.1 (Proposed Project). either the east or the west side of Grand Avenue. • Will signals be installed at Grand Avenue and 14 Street? • The proposed widening of Grand Avenue does not include a signal at the intersection of Grand Avenue and 141h Street. • Will signals be installed at Grand Avenue and 15t1 Street? • The proposed widening of Grand Avenue does not include a signal at the intersection of Grand Avenue and 1511 Street. • Will W Street be open to through traffic in, the future? • The proposed widening of Grand Avenue does not include reopening of 141 Street to through traffic. This issue could potentially be considered by the City at some time in the future. • Will I5`h Street be open to through traffic in the future? • The proposed widening of Grand Avenue does not include reopening of 15` Street to through traffic. This issue could potentially be considered by the City at some time in the future. • Will existing commercial buildings on Grand Avenue be • The proposed widening of Grand Avenue does not extended further west after property is taken for the include any proposal to extend existing commercial widening? structures further west from Grand Avenue. If, after the widening is completed, a property owner decides to either relocate or expand and existing structure, that building relocation/expansion would be subject to the existing City of Santa Ana requirements for setbacks, including setbacks from existing residential uses. • Request for a copy of the aerial map used at the scoping • The aerial map was provided at the scoping meeting as an meeting. information display. It is not available in reproducible form It is available for review at the City during regular business hours and will be available at other public hearings for the proposed Grand Avenue project. • Request for a copy of the project alternatives maps used • Figures 1-2 and 1.3 in the SIR. at the seeping meeting. • Request for a copy of the NOP/IS. . A copy of the NOPAS was sent as requested in mid June, 1998. • Questions regarding relocation benefits for affected • EIR Sections 3.2 (Land Use and Planning) and 3.3 residents. (Population and Housing). • Concern regarding the impacts of a partial take on the • EIR Section 3.2 (Land Use and Planning). Iglesia Bautista Vida Etema (church) at 702 North Grand. • Note: As of April 2002, this church is no longer located at this address. • Are driveways on Grand Avenue going to be removed? EIR Section 1.1 (Proposed Project). • Why not make a Specific Plan out of the area from • The formation of a Specific Plan area is outside the scope approximately the train station to First Street? of the proposed project. • Concerned regarding the aesthetic effect of removing • Initial Study page 3-36 (Environmental Evaluation mature trees. Related to Aesthetics). • Impacts on EopSLy values. . This is not an environmental issue under CEQA. F: IPROJ-ENVIGrand eirlNew Text - GrandlSection 1.0-new.doc Page 1-19 Grand Avenue Widening Project Environmental Impact Report Section 1.0 TABLE 1-3 SUMMARY OF COMMENTS FROM THE SCOPING MEETING Comment IS/EIR Sections Where Comment Is Addressed • Audience was not told they have 30 days to submit • The 30 day comment period is associated with the NOP comments. issued by the City on May 13, 1998. Attendees at the scoping meeting may submit comments at any time prior to the completion of the draft EIR. In addition, many. attendees were told, in conversations with the City and consultant staff, that there would be additional hearing on the proposed project and that they would be notified of those opportunities to comment on the project. • Does not want the project segment of Grand Avenue • EIR Section 1.1.4 (Description of the No Project widened. Alternative). • Compensation for business impacts. • EIR Section 3.2 Land Use and Planning). • Concerned regarding the loss of business signing at the • This is not an environmental issue under CEQA. It will street edge. be addressed by the City during the property acquisition haseofthe ro osed project. • Concerned regarding the potential effect of the proposed • This is not an environmental issue under CEQA. widening on property values. • Concerned regarding potentia] effects on a long term • This is not an environmental issue under CEQA. If lease currently being negotiated by a property owner. appropriate, it will be addressed by the City during the roperty ac uisition hase of the proposed project. Executive Summary. This section summarizes the project alternatives and the potential environmental impacts of the alternatives. Section 1.0. This section summarizes the project alternatives, the project objectives and the CEQA process for the proposed project. Section 2.0. This section summarizes the environmental impacts found not to be significant based on the analysis provided in the IS. Section 3.0. This section describes the existing conditions, the thresholds of significance, the analytical methodology, the impacts of the widening alternatives, mitigation to reduce or avoid any significant adverse impacts, and the level of significance of the impacts after mitigation for the environmental parameters determined in the IS to potentially result in significant adverse impacts. Section 4.0. This section summarizes the potential significant unavoidable adverse impacts of the project alternatives, after mitigation, based on the analysis documented in Section 3.0. Section 5.0. This section addresses the potential for irretrievable and irreversible commitment of resources associated with the project alternatives. Section 6.0. This section addresses the potential for growth inducing and cumulative impacts associated with the project alternatives. Section 7.0. This section provides the MMP for the proposed Grand Avenue widening. F: IPRO.I-ENVIGrand eirlNew Text - GrandlSection 1.0 -new. doe Page 1-20 Grand Avenue Widening Project Environmental Impact Report Section 1.0 Section 8.0. This section provides a qualitative analysis of the potential environmental impacts associated with the No Project Alternative. Section 9.0. This section lists the City of Santa Ana and consultant personnel responsible for the preparation of this Focused EIR. Section 10.0. This section lists the references used in the preparation of this Focused EIR. Appendices. The Appendices to this EIR include the NOP/IS, the responses to the NOP/IS, the scoping meeting information and technical reports prepared to analyze the potential impacts of the project alternatives. 1.3.5 CERTIFICATION OF THE FINAL EIR After the circulation of the Draft Focused EIR, the City will prepare responses to all written comments received on the Draft Focused EIR and will prepare the Final Focused EIR. The Final Focused EIR will consist of the Draft Focused EIR, revised as appropriate based on comments received during the public comment period, the EIR Appendices and the Responses to Comments Report. The City of Santa Ana City Council will consider the information in the Final Focused EIR prior to certification of the Final Focused EIR. The City Council will have to certify the Focused EIR for the proposed Grand Avenue widening project prior to taking action adopting one of the alternatives for implementation. 1.3.6 OTHER APPROVALS AND PERMITS The proposed Grand Avenue widening project will not require any subsequent discretionary actions by the City Council if Alternative 2 is approved. If Alternative 1 is approved, subsequent amendments to the City's General Plan will be required. The following permits and other approvals may be required during implementation of the proposed Grand Avenue project: The City will need an encroachment permit from Caltrans for construction work and implementation of traffic control measures in the vicinity of the Grand Avenue/Interstate 5 (I-5) interchange. The City or its construction contractor would apply for this permit from Caltrans District 12 prior to any work in or immediately adjacent to Caltrans right-of-way. If Alternative 1 is approved, a General Plan amendment will be processed to remove the project section of Grand Avenue from the City's Bikeway Master Plan pursuant to Mitigation Measure LP -1. 1.3.7 OPPORTUNITIES FOR PUBLIC INPUT AND THE EIR PROCESS There are several opportunities in the EIR process for public input. These occur during the NOP and scoping process; during the public review of the draft EIR; and at the public hearing(s) for the project. As discussed previously, the NOP was circulated in May 1998 and a scoping F: IPROJ-ENMGrand eirWew Text- GrandlSection 1.0-new.doc Page 1-21 Grand Avenue Widening Project Environmental Impact Report Section 1.0 meeting was held in June 1998. This Draft Focused EIR will be circulated for a period of 45 days and will be available at the City of Santa Ana offices and local libraries. If comments on the Focused Draft EIR are submitted, they will be responded to in the Responses to Comments Report. The Responses to Comment Report will be part of the Final EIR and will be presented to the Planning Commission and the City Council for their consideration of the EIR and the proposed Grand Avenue widening. The Response to Comments Report will be available for public review at the City of Santa Ana offices located at 20 Civic Center Plaza in downtown Santa Ana. 1.3.8 INCORPORATION BY REFERENCE The following documents were used in the preparation of this Focused EIR and are incorporated by reference in this Focused EK consistent with Section 15150 of the State CEQA Guidelines: Final Environmental Impact Report No. 97-02 (EIR 97-02) Final Circulation Element State Clearinghouse (SCH) No. 97071055 (Parsons Brinkerhoff, January 5, 1998): This EIR evaluated the potential impacts associated with proposed modifications to the City of Santa Ana General Plan Circulation Element. Revised Final Environmental Impact Report No 97-01 (EIR 97-01) Final Land Use Element SCH No. 97071058 (Parsons Brinkerhoff, January 21, 1998): This EIR evaluated the potential impacts associated with proposed modifications to the City of Santa Ana General Plan Land Use Element. These reports are available for review at the City of Santa Ana Public Works Agency, 20 Civic Center Plaza, Santa Ana, CA, 92701. Additional technical references used in the preparation of this Focused EIR are listed later in Section 9.0 (References and Contacts). 1.3.9 AREAS OF CONTROVERSY/ISSUES TO BE RESOLVED At this time, there are no specific areas of controversy raised in response to the NOP or remaining issues to be resolved regarding the proposed widening alternatives or the evaluation of the potential impacts of those alternatives. It is possible that previously unknown issues or areas of controversy may be identified during the review of the Draft EIR. As described above, responses to comments received in response to the Draft Focussed EIR will be provided after the public review period for the Draft EIR. F.,WROJ-EWGrand eirWew Text - GrandlSection 1.0-new.doc Page 1-22 Section 2.0 IMPACTS FOUND NOT TO BE SIGNIFICANT Grand Avenue Widening Project Environmental Impact Report Section 2.0 SECTION 2.0 IMPACTS FOUND NOT TO BE SIGNIFICANT BASED ON THE INITIAL STUDY 2.1 OVERVIEW The environmental process requires the Lead Agency for a proposed project, in this case the City of Santa Ana, to prepare an Initial Study (IS) which addresses the potential environmental impacts which could result from the implementation of a proposed project. An environmental checklist which defines areas of concern must be completed as part of this process. The results of the IS determine whether further environmental documentation is required for a proposed project. The results of the IS for the proposed Grand Avenue widening indicated that a Focused Environmental Impact Report (EIR) was required to assess certain potential impacts associated with this project. The IS, which was circulated with the Notice of Preparation (NOP), and the supporting documentation for the proposed Grand Avenue widening are provided in Appendix A of this EIR. This Section summarizes those potential impacts of the proposed Grand Avenue widening that were determined in the IS to be below a level of significance or which could be mitigated to below a level of significance based on mitigation measures incorporated in the IS. 2.2 LAND USE IMPACTS FOUND NOT TO BE SIGNIFICANT Alternatives 1 and 2 are consistent with the Circulation Element of the City of Santa Ana General Plan because they propose improvement of the project segment of Grand Avenue to the Major Arterial Standard as designated in the Circulation Element and the County Master Plan of Arterial Highways. Alternative 1 does not includes a bike lane and, therefore, would not be consistent with the City's Bikeway Master Plan, Policy 3.3 of the City's Circulation Element and the County Master Plan of Bikeways (now the Orange County Commuter Bikeways Strategic Plan). Mitigation measure LU -1 in the Initial Study was proposed to mitigate this adverse impact. The potential adverse impacts of the deletion of this segment of bike lane from these Master Plans are assessed in Section 3.2 (Land Use and Planning). Mitigation measure LU -1, described originally in the IS, for Alternative 1 has been refined and updated with mitigation measure LP -1 that is described in Section 3.2.5. Alternative 2 includes a five-foot wide, on street, Class lI bike lane consistent with the City's Bikeway Master Plan and the Orange County Commuter Bikeway Strategic Plan. No mitigation is required. Because the IS and this EIR provide a detailed analysis of the potential environmental impacts of the widening alternatives and the No Project Alternative, the proposed alternatives comply with the requirements of the California Environmental Quality Act (CEQA), the CEQA Guidelines and the City of Santa Ana environmental guidelines. No mitigation is required. F: IPROJ-ENMGrand eirWew Text - Gran&Section 2.0-new.doc Page 2-1. Grand Avenue Widening Project Environmental Impact Report Section 2.0 Because there are no agricultural operations and no identified agricultural soils adjacent to the project segment of Grand Avenue, Alternatives 1 and 2 will not impact agricultural resources or operations. No mitigation is required. 2.3 POPULATION AND HOUSING IMPACTS FOUND NOT TO BE SIGNIFICANT The widening alternatives for the project segment of Grand Avenue are consistent with the General Plan Circulation Element of the City of Santa Ana and the existing and forecasted needs for transportation capacity in the area based on existing and planned land uses because they will not result in any substantial alteration in the location, distribution, density or growth rate of the population. Therefore, the proposed widening alternatives will not result in induced growth or exceed regional or local population projections. No mitigation is required. The construction of the project will generate short term construction related jobs expected to be filled from the existing labor pool in Orange County and workers are not anticipated to relocate from other cities to housing in the City of Santa Ana for the construction of this project. In the long term, the proposed project will not result in the generation of jobs. Therefore, the proposed project will not induce substantial growth in the area either in the short or long term. No mitigation is required. 2.4 GEOLOGY IMPACTS FOUND NOT TO BE SIGNIFICANT There are no active faults crossing or near the alignment of the project segment of Grand Avenue. However, earthquakes, ground shaking and lurching, ground failure or similar seismic hazards can occur in the project area as they could over much of southern California. The soils in the project area have a very low potential for expansion, liquefaction and subsidence. Because standard road engineering and design practices will be incorporated during final design to address potential seismic and geologic conditions in this area, the proposed project will not result in adverse impacts related to seismicity, geologic conditions and soil conditions. No mitigation is required. Because there are no large water bodies on or near the project segment of Grand Avenue or active or inactive volcanoes in the vicinity of the project area, the proposed project will not result in an adverse impact related to sciches, tsunamis and volcanoes. No mitigation is required. Because the project area is essentially flat and is not subject to landslides and mudflows, the proposed project will not result in or expose people to potential impacts involving landslides or mudflows. No mitigation is required. The proposed project will not result in adverse impacts related to topographic features because the project area is currently developed and is primarily flat. The soils in the area are suitable for construction. No mitigation is required. There is a potential for short term wind and water erosion of soils during construction. These short term impacts will be reduced to below a level of significance based on mitigation measures G-1 to G-4 described later in this Section. F: IPROJ-ENVIGrand eirWew Text - GrandlSection 2.0-new.doc Page 2-2 Grand Avenue Widening Project Environmentallmpact Report Section 2.0 There are no unique geological or physical features on or adjacent to the project segment of Grand Avenue because this area is basically flat. Therefore, the project will not result in or expose people to potential impacts involving unique geologic or physical features. No mitigation is required. Mitigation Measure G-1. The project specifications shall require the construction contractor to place desiltation devices such as sandbags in areas along the project alignment, during any grading and/or construction during rainy periods, to eliminate discharge of soil laden waters from the construction area onto other City streets or into storm drains. Mitigation Measure G-2. Although the area is relatively flat and is expected to be flat after grading and prior to paving the road, during watering for dust control during construction, the project specifications shall require the construction contractor to ensure that silt laden water does not run off the construction area onto City streets, private property or into storm drains. If the temporary conditions during grading result in flows of water from the construction area, desiltation devices shall be placed at appropriate areas to eliminate discharge of soil laden waters from the construction area. Mitigation Measure G-3. During all grading and construction, the project specifications shall require the construction contractor to control fugitive dust by regular watering and/or other appropriate measures to comply with South Coast Air Quality Management District (AQMD) Rule 403. Mitigation Measure G-4. The project specifications shall require that, during the period between grading and paving, the use of graded, unpaved areas by construction vehicles and other traffic be avoided to the extent feasible. Where avoidance of these areas is not possible, the following measures shall be incorporated, as appropriate: regular watering, covering of driveway accessways and other similar measures to avoid unnecessary dust generation. 2.5 WATER IMPACTS FOUND NOT TO BE SIGNIFICANT The proposed widening of the project segment of Grand Avenue will result in an incremental increase in impervious surfaces in this area and a slight increase in the amount of runoff from the road surface to the nearest storm drains. However, these increases are not expected to be significant because the area is already predominantly developed in urban uses. Therefore, the proposed project is not expected to result in significant changes in absorption, drainage patterns or the rate and amount of surface runoff. No mitigation is required. Because the project segment of Grand Avenue is outside the defined 100 and 500 year flood zones, and the standard project flood (SPF) zone, the proposed widening project is not anticipated to result in the exposure of people or property to flooding. The widening of Grand Avenue is expected to incrementally improve existing drainage in the area and, therefore, will reduce the potential for rain water to extend beyond the road right-of-way during major storm events. Therefore, the proposed project is not anticipated to result in significant adverse impacts related to flooding. No mitigation is required. F.9PROJ-ENMGrand eirWew Text - GrandiSection 2.0-new.doc Page 2-3 Grand Avenue Widening Project Environmental Impact Report Section 2.0 The widening of the project segment of Grand Avenue is anticipated to result in increased numbers of vehicles on Grand Avenue which would result in small increases in vehicle related pollutants. During rainstorms, these pollutants may be washed off the road surface and into area storm drains, resulting in a very small incremental degradation of surface water quality. However, small increases in vehicle related pollutants are likely to occur on other streets in the area if the project is not implemented because traffic demand is anticipated to increase with approved development in the area. Therefore, the proposed project will not result in a significant impact related to the quality of surface waters. No mitigation is required. Because there are no fresh or marine water bodies on or adjacent to the project segment of Grand Avenue, the proposed project will not result in changes to river or stream channels or impact currents. Because the proposed project will not result in substantial increases in storm water flows, it will not result in adverse impacts related to surface water bodies. No mitigation is required. Grading activities during construction of the project segment of Grand Avenue will not extend to the depth of groundwater. Construction of the project will not result in any cuts or excavations which would extend to aquifers or the groundwater table. The project area does not currently provide substantial groundwater recharge capability. Therefore, the proposed project will not result in adverse impacts. on the flow or direction of groundwater, impact the quality and quantity of groundwater, or impact groundwater recharge. No mitigation is required. The proposed project will require the use of small amounts of water in the short and long term. Construction related activities will occur over a short period of time, and will require relatively small amounts of water for dust control and other construction activities. Water resources will be required for landscape irrigation in the long term. However, this will not require substantial amounts of water because the majority of the landscaping is expected to be drought tolerant. Therefore, the proposed project will not result in adverse impacts related to groundwater supplies for public water uses. No mitigation is required. 2.6 AIR QUALITY IMPACTS FOUND NOT TO BE SIGNIFICANT The proposed widening project is in an area that is predominantly flat with no substantial topographic or man made features which could alter air movements, moisture or temperature in the area. The widened segment of Grand Avenue will be at grade and well below the height of existing structures in the area. Therefore, this widening project will not alter air movements, moisture or temperature or cause any change in the climate of the area. No mitigation is required. The use of asphalt during construction will generate odors in the short tern, which would dissipate quickly in the air. The proposed project will not result in the creation of objectionable odors because these odors would only occur for a short period of time. No mitigation is required. The widening of Grand Avenue will improve traffic flows, which would reduce vehicle idling and, thereby, decrease odor creating exhaust emissions. As a result, the proposed project will not result in the creation of objectionable.odors in the long term. No mitigation is required. r: L1KUJ-CNVIGrand eirWew Text- GrandlSection 2.0-new.doc page 2-4 Grand Avenue Widening Project Environmental Impact Report Section 2 0 2.7 TRANSPORTATION IMPACTS FOUND NOT TO BE SIGNIFICANT The proposed project will result in an increased number of vehicles on the project segment of Grand Avenue and in improved traffic flows on this segment of Grand Avenue. Therefore, the proposed project is anticipated .to result in a less than significant impact related to traffic congestion. No mitigation is required. The widening of the project segment of Grand Avenue will be consistent with the City's standards for Major Arterials and is considered to be compatible with the adjacent land uses. Therefore, the proposed project will not result in hazards related to these land uses. No mitigation is required. The widening of the project segment of Grand Avenue will result in short term lane and driveway closures, detours and/or traffic delays. The project construction activities will be coordinated with the City of Santa Ana Public Works Agency (PWA). This coordination will include working with adjacent land uses to maintain emergency access through the project segment and to adjacent land uses including the use of temporary driveways as feasible, signing and other features to protect vehicular and pedestrian traffic through the area during construction. As a result of this coordination by the PWA, the widening alternatives will not result in significant adverse impacts during construction related to design hazards and emergency access. No mitigation is required. Alternative 2 includes a five-foot, on street, bicycle lane, which is consistent with the standard of the City of Santa Ana Bikeway Master Plan and the Orange County Commuter Bikeways Strategic Plan (CBSP). Alternative 1 does not include a bike lane on Grand Avenue and, therefore, is not consistent with the City's Bikeway Master Plan or the CBSP of the Orange County Transportation Authority (OCTA). However, as described earlier, since the circulation of the NOP/IS, Alternative 1 has been further refined to include the deletion of the bike lane on this segment of Grand Avenue from the City of Santa Ana Bikeway Master Plan and the OCTA's CBSP as part of the project description for this Alternative. The potential adverse impacts of the deletion of this segment of bike lane from these Master Plans are assessed in Section 3.2 (Land Use and Planning). Because the deletion of the bike lane on this segment of Grand Avenue from these Master Plans is included as part of the description of Alternative 1, refined mitigation measure LP -1, as described in Section 3.2.5, is necessary to maintain General Plan consistency. Alternative 2 will result in some benefit related to bicycle safety and accommodation on the project segment of Grand Avenue. No mitigation is required. There are currently no bus turnouts on the project segment of Grand Avenue. Alternatives 1 and 2 include bus pads and bus turnouts consistent with the Americans with Disabilities Act guidelines. Immediately prior to construction, temporary bus stops will be provided, as needed, and bus detours will be determined, where appropriate. Therefore, the proposed widening project will not conflict with adopted policies supporting alternative transportation. No mitigation is required. There are no navigable watercourses or rail lines crossed by or, near the project segment of Grand Avenue. There are no airports near the project segment of Grand Avenue. Therefore, the proposed project will not result in impacts on rail, waterborne or air traffic services or facilities. No mitigation is required. 1": IPROJ-ENPIGrand eirWew Text- GrandlSection 2.0-new.doc Page 2-5 Grand Avenue Widening Project Environmental Impact Report Section 2.0 2.8 BIOLOGICAL RESOURCES IMPACTS FOUND NOT TO BE SIGNIFICANT There are no endangered, threatened or rare species, locally designated species and natural communities, wetland habitats, or wildlife dispersal or migration corridors in the project area Therefore, the proposed Grand Avenue widening will not result in adverse impacts related to biological resources. No mitigation is required. 2.9 ENERGY AND MINERAL RESOURCES IMPACTS FOUND NOT TO BE SIGNIFICANT Because there are no adopted energy related plans relevant to the proposed Grand Avenue widening alternatives, they will not result in adverse impacts related to energy conservation plans. No mitigation is required. Because there are no known mineral resources under or in the immediate vicinity of the project segment of Grand Avenue, they project will not result in the loss of availability of a known mineral resource. No mitigation is 'required. 2.10 HAZARDS IMPACTS FOUND NOT TO BE SIGNIFICANT Alternatives 1 and 2 may result in a minor increase in the number of vehicles carrying hazardous substances on the project segment of Grand Avenue. Because these trips would occur on area roads, including Grand Avenue, with or without the proposed widening, the proposed project will result in a less than significant impact related to risks associated with explosions or release of hazardous substances. No mitigation is required. Although the proposed widening project may temporarily impact emergency and evacuation plans on Grand Avenue during construction, this impact will be substantially mitigated or avoided based on consultation with the City of Santa Ana PWA, Santa Ana Fire Department (SAFD) and Santa Ana Police Department (SAPD) prior to and during construction. This consultation will include identification of through access routes and/or detour routes required for emergency access during construction; identification of required signing in the construction area; and other requirements of the SAPD and SAID to ensure that emergency access is provided during construction. In the long term, the widening of Grand Avenue will beneficially affect emergency and evacuationn plans by providing increased capacity on this segment of Grand Avenue. Therefore, the proposed project is not anticipated to result in adverse impacts related to emergency and evacuation plans. No mitigation is required. There are no documented hazardous materials sites on the project segment of Grand Avenue. Therefore, the widening of Grand Avenue is not likely to result in any health hazard in the area. In the long term; some pesticides are expected to be used in the maintenance of the median landscaping. However, these materials are expected to be used, handled, stored and transported consistent with applicable state, federal and local laws. Therefore, the proposed Grand Avenue widening will not result in a substantial risk related to the creation of hazards to public health. No mitigation is required. F: IPROJ-ENVIGrand eirWew Text - GrandlSection 2.0-new.doc Page 2-6 Grand Avenue Widening Project Environmental Impact Report Section 2 0 It is possible that privately owned structures to be acquired under Alternatives 1 and 2 could contain asbestos containing building materials (ACBMs) and/or lead based paint (LBP), or could currently have some hazardous materials contamination. Prior to the acquisition of privately owned property, a Phase I hazardous materials investigation would be performed on the properties to be acquired. Any hazardous materials on those sites would be identified. The responsibility to remove and clean up any hazardous materials or contamination on privately owned property would be with the individual property owners, prior to the purchase of the property, consistent with existing federal, state and local regulations. The exceptions to this would be ACBMs and LBP which the City would remove prior to the demolition of any acquired structures, consistent with applicable federal, state and local regulations. No further mitigation is required. The proposed widening project will not result in increased fire risk because there is no flammable brush, grass or trees in the project area. No mitigation is required. 2.11 PUBLIC SERVICES IMPACTS FOUND NOT TO BE SIGNIFICANT The proposed widening of Grand Avenue may result in a minor increase in the demand for police and fire protection services in the area, due to. increased traffic volumes on Grand Avenue. However, this increase in demand for these services is the result of existing, approved and planned land uses in the area, and not as a direct result of the widening of Grand Avenue. Because the existing fire and police stations in the area would be adequate to meet the demand for fire, emergency and police services arising in this area, with or without the Grand Avenue widening, the proposed project will not result in the need for additional fire and police service personnel, equipment or facilities. No mitigation is required. The proposed widening project will not generate the demand for additional school facilities or impact school attendance because the project will not generate demand for housing or result in increased population. The widening project will not result in acquisition of any property from schools. Therefore, the proposed project will not impact existing schools or result in the need for new school or modified facilities or services. No mitigation is needed. The proposed widening of Grand Avenue will result in a minor increase in road maintenance costs for the City due to increased traffic and the increased road surface area. However, these increases would be relatively minor and the maintenance responsibility for the City would also be minor. Therefore, the proposed widening project will not result in adverse impacts related to road maintenance. No mitigation is required. The construction of the proposed widening of the project segment of Grand Avenue could result in temporary delays and/or detours of existing Orange County Transportation Authority (OCTA) transit services in the area. The short term impacts on these transit services will be substantially mitigated prior to construction, because the City will coordinate with the OCTA regarding the possible need for temporary detours and temporary bus stops. Therefore, the proposed widening would result in a less than significant impact on transit services. No mitigation is required. F: IPROJ-ENMGrand eirWew Text - GrandlSection 2.0-new.doc Page 2_7 Grand Avenue Widening Project Environmental Impact Report Section 2.0 in scale to the existing land uses and would include light sources similar to existing light sources in this area. No mitigation is required. 2.14 CULTURAL, RESOURCES IMPACTS FOUND NOT TO BE SIGNIFICANT Because there are no known paleontological resources in the Grand Avenue area, the proposed widening project will not adversely impact paleontological resources. No mitigation is required. Because the Grand Avenue area is not known to have any unique ethnic cultural values, the proposed widening project will not result in impacts related to ethnic cultural values. No mitigation is required. 2.15 RECREATION IMPACTS FOUND NOT TO BE SIGNIFICANT The proposed widening project will not result in population increases in the area and, therefore, will not result in any modification or create a demand for additional recreational facilities. There are no existing or planned public or private parks in the immediate vicinity of the project segment of Grand Avenue. Therefore, the proposed widening project will not result in impacts on recreational facilities. No mitigation is required. F: IPROJ-ENMGrand eirlNew Text - GrandlSection 2.0-new.doc Page 2-9 Section 3.0 EXISTING CONDITIONS, IMPACTS AND MITIGATION MEASURES Grand Avenue Widening Project Environmental Impact Report Section 3.0 SECTION 3.0 EXISTING CONDITIONS, IMPACTS AND MITIGATION MEASURES 3.1 INTRODUCTION This section documents the environmental analysis for those parameters for which the proposed Grand Avenue widening project may or would result in potentially significant adverse impacts. These parameters were identified based on the findings of the Initial Study (IS) included in Appendix A of this Environmental Impact Report (EIR). I I i F: IPRO.I-ENVIGrand eirlNew Text- GrandlSection 3 SplitlSection 3.1.doc Page 3.1-1 Grand Avenue Widening Project Environmental Impact Report Section 3.0 3.2 LAND USE AND PLANNING Based on the findings of the IS, the proposed Grand Avenue widening may or would result in potentially significant adverse land use impacts specifically related to the acquisition of right-of- way and the potential disruption of an established community. The analysis in the following sections focuses on the existing conditions in the study area, the analysis methodology, thresholds of significance, the potential land use impacts of the Grand Avenue widening alternatives related to property acquisition and community disruption, and mitigation as needed. 3.2.1 EXISTING SETTING RELATED TO LAND USE AND PLANNING The existing land uses in the vicinity of the project segment of Grand Avenue include single and multiple family residential, commercial and institutional uses. Public land in the area includes parcels owned by: • Caltrans, adjacent to Interstate 5 (I-5) for the ramps to and from I-5 at Grand Avenue. Santa Ana Unified School District, on the east side of Grand Avenue north of Seventeenth Street and east of Grand Avenue north of Fourth Street. There is a large Catholic church, Our Lady of Guadalupe, on the east side of Grand Avenue south of Third Street. Commercial uses in this area include retail establishments, offices, and automobile parts and services garages. The Orange County Register administrative offices and production facility are on the east side of Grand Avenue south of Fruit Street. There are residential uses on both sides of Grand Avenue: • On the east side of Grand Avenue north of Seventeenth Street; and from north of Fifteenth Street to south of Fourteenth Street. • On the west side of Grand Avenue from Stafford Street to Fourth Street. The majority of the existing single family residences are older, are generally well maintained and are in good condition. The multiple family residences are not as old but are generally not in as good of condition as the single family residences. The commercial uses are various ages and vary in condition. The City of Santa Ana General Plan designations for this area include: The General Plan Circulation Element designates the segment of Grand Avenue between Seventeenth Street and First Street as a Major Arterial. • The General Plan Land Use Element designations adjacent to the project segment of Grand Avenue are: F: IPROJ-ENMGrand eirWew Text - GrandlSection 3 SplitlSection 3.2.doc Page 3.2-1 Grana' Avenue Widening Project Environmental Impact Report Section 3.0 General Commercial on the west side of Grand Avenue from Seventeenth Street to First Street. General Commercial on the east side of Grand Avenue from Seventeenth Street to Fifleenth Street and from Fourteenth Street to First Street. Low Density Residential from just north of Fifteenth Street to I-5. Other Relevant Land Use programs in the General Plan Land Use Element: Inter -City Commuter Station Redevelopment Plan — This Plan designates segments of Grand Avenue in the project limits as part of this Redevelopment Plan which involves 525 acres designed to provide a commuter rail station and supporting uses. (LU Appendix pp. A-7) • Enterprise Zone — A 7,000 -acre part of the City of Santa Ana was designated by the State as a California Enterprise Zone which includes almost all of the Grand Avenue project area. This designation provides tax incentive programs to new businesses within the Enterprise Zone. The goal of the program is to revitalize the economy by bringing in new businesses through the tax incentives. Federal Empowerment Zone - hi 1999, the City of Santa Ana received the only Urban Empowerment Zone Designation in California. This zone affects the area between First and Fourth Streets on both sides of Grand Avenue in the study area. The Zone is expected to enhance the quality of life for the City's residents and businesses within the Zone. This Zone includes new educational opportunities, job training and skill development, mentoring and apprenticeship programs, childcare, enhanced recreational opportunities, tax exempt financing for businesses, and access to other federal programs and services. 3.2.2 THRESHOLDS OF SIGNIFICANCE RELATED TO LAND USE AND PLANNING Land use impacts are considered significant if the proposed project will conflict with the adopted plans and goals of the community as expressed in the City of Santa Ana General Plan. In addition, the following would be considered significant adverse impacts of the proposed project related to land use: • Inconsistency or conflict with an adopted land use designation or intensity and indirect or secondary environmental impacts are created. • Substantial or extreme use incompatibility. • Development or conversion of General Plan designated open space to a more intensive land use. • Incompatible land uses in an aircraft accident potential area. as defined in an airport land use plan. F: IPROJ-ENMGrand eirWew Text- Gran&Section 3 Sp1it&ction 3.2.doc Page 3.2-2 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Inconsistency or conflict with established recreational, educational, religious our scientific uses of the area. 3.2.3 METHODOLOGY RELATED TO LAND USE AND PLANNING The revised preliminary plans for Alternatives 1 and 2 were evaluated to identify the needed right- of-way to accommodate the widened cross section of Grand Avenue. Assessor's parcel maps were used to identify the existing parcel boundaries for all potentially affected parcels. The potential right-of-way takes were identified by the City as full takes based on the following assumptions: The remainder of the affected parcel totals less than 15,000 square feet for commercial uses or less than 6,000 square feet for single family residential uses. The required parcel sizes for multiple family residential uses depend on the number of dwelling units on the site. • The remainder of the parcel does not meet the required setback of 15 feet from the new edge of the public right of way to the nearest structure on the site for commercial uses and 20 feet for residential uses. Takes that do not exceed these criteria were identified as partial takes. Under a partial take, the City would acquire only a part of the parcel, which could include landscape areas, parking areas, driveways and/or part of existing structures. Partial takes have been reviewed for conformance with the General Plan and Zoning Code site development standards. Parcels that did not conform were considered full takes. The Southern California Association of Governments (SCAG), the metropolitan planning organization for the greater Los Angeles area, identified a number of land use policies in the growth management and water quality chapters of the Regional Comprehensive Plan and Guide. The proposed Grand Avenue widening alternatives were evaluated for consistency with these land use policies as discussed in the next section. 3.2.4 IMPACTS RELATED TO LAND USE AND PLANNING Impacts of Alternative 1 Related to Land Use and Planning Impacts of Alternative 1 Related to Property Acquisition Figure 3.2-1 shows the potential right-of-way impacts and the extent of takes for each property affected under Alternative 1. A reference number has been assigned to each parcel along the Grand Avenue study area. Table 3.2-1 summarizes the property acquisition under Alternatives 1 and 2 and includes the corresponding map reference number. As shown, Alternative 1 would result in the full take of 45 parcels and the partial take of 20 parcels. Table 3.2-2 summarizes the property takes for single and multiple family residential dwelling units, commercial and public uses and vacant parcels under Altemativel. 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(7 V�C7 C7x UY C7 kf W �p h 0001 oa V A h h h h h h h h h � O O O U oo V'� 7 p0 M M M M M m M M M .-� . 0O 0 0w� a %i m m a\ O\ T D\ 00 O\ W O\ 00 O\ 00 4\ 00 00 � OO Qi 00 01 00 D\ 00 0 00 � 00 O\ 00 F 00 F 00 D\ D\ Q\ 00 Tol M M M M m M M M M M M m m m m m M M M M m M M m m -NI NN NNNN NNmMmM � O — N M V MMMMMM Ut b h o0 D\ O— N Iy O C d C tl CS o zHN v — — N e� y X DC CC X X DS F iSl R q v wHxlk At x AtAtSt At1XII AtAt d oxXx At X 5S xx At d �F L d At xxxxxxx O N �o q •� a •' U c� U N S o b Y bq U NNO O �� Orr O W gqg W ❑ ttl p ttl ��++ iC tl of O x [.C/1 O p V N m w w CIO N N Pr id ctl O kli m H� P A U w M '49p £ a a :a pp U oo'0 V •� 0 U 0 V 0 V 0 V 0 U 0 U V 0 U 0 U 0 U 0 U 0 U V 0 U 0 U 0 U 0 U 0 V 0 U 0 U ,� W v N Vj O U} a U EJ 4J y N U U U 11 a q� a� a s�i N ,� � b .� � bbbbZ "V v+ ✓'+ � i.- Y k 'C ] Q �tltl Cepp b k ro��� o d ����ii b d Z z V lJ .iy FU W r Q Q� d �i _N 0O 7 N C\ N V] U5 Q N ONN N � 0 d' M N 'C M o0 01 00 h �O ti d' M O\ � S OOO OOOOO OOO'�'�'"� i0 b R py 7 Z o0 00 00 o0 00 00 r W Z ''Mm a�ao,o,o� M M M M M 00 o�aarna+o, m C0 M 00 M m M M .=r .� oo o�rnrn°`„mr°iimo' m M M M W d N N v N R y A a a w >C >C >S >C >S X >C 0 .y p m x x X >S >Ck XX>C � a F a m _ 1d F >C >C >C >C >C >� X >C 101. 14q 'q o A PL F� � M rip❑�y Fsl � U Y y � ��+ yU o y b o U b F� A o UUU Uo � F, H y `fid o 0 o •w" v _ _ � pf tp tp tp (p H H ❑pH �p y ❑pU U qpH qpF H M � ypMy qpM U U U � O U O U O U O U 1"1 N N N GJ 4J UJ AJ N N N Qi q N q q Y v Y m Y a� Y � a� �- b d vlddddddd M M111,511 bbbb❑ 1 tl bbb �� ,5 ddddd b bbbb � f/ddd• Qb bb y y ,�,�"� vb)�v�+�cnm �.� �nddd ,�'❑O bb FTa C7 V CJ �d �1 -NE V � V �tl l'.J -fid V 'Nd V V V +�"+ �zi z�/-+`�r7-� �.Z �i x+`�+�i %.v 0 N o 00 �z zr� r`�-•Z"`C' 0 0 0 m 0 0 ,�M.� N OD\ 00 V1 po ,ti d'�N.-'.MN ti,�.��M N.-• �7 MN u A V'f'i MONr vMO+ .mNOi MNO MNOi MNO •N-D� •N-D-� 0 NO NO0 N Np 'N•"D"" P4 � 00 00 00000'ZI, OON M M M M M M M M M M M M M M M d' d• 7 d. tV d z /a b dh r tom` r r h h oOo W W W W oho ado oNa a°Oo T ON N M P b0 § / ( Q / / /2)x xkxx n ■� ]]; _ m /2)k kx*x m \)) , @ 7/§ � , ) \ /))42 .2 } \ _ ° K9N { o u)u m k \ /{\\ J = l3\ )\ \ §saa{ 2A&a af&» / Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.2-2 SUMMARY OF RIGHT-OF-WAY TAKES Type of Parcel Alternative 1 Alternative 2 Full Takes Partial Takes Full Takes Partial Takes Single Family Residential Units 20 0 23[3] 0 Multiple Family Residential Units [1] 41 0 41 0 Multiple Family Residential Parcels [2] 5 0 5 0 Commercial 20 16 29 16 Public/Other [4] 0 4 0 4 Office 0 0 1 0 Total Takes (Parcels) 45 20 56 Total Takes (Residential Units) 61 0 64 EO [1] Estimated number of affected individual housing units. [2] These are individual parcels occupied by two or more multiple family residential units. For example, the 5 multiple family parcels identified as full takes under Alternative 1 contain an estimated total of 41 multiple family residential uses. [3] This includes the parcel with map reference No. 44 that has three single family units on one parcel. [4] This includes public uses, church use and church parking lot. It is expected that the affected residents can be relocated to elsewhere in the City or in the surrounding cities. However, based on the active housing market and the 2.13 percent vacancy rate in 2001 (Department of Finance City and County Population and Housing Estimates, January 1, 2001), it may be difficult to quickly relocated all affected residents. As described earlier, the implementation of the proposed widening of Grand Avenue would be phased, which would include the phased acquisition of property. This would have the effect of spreading the property acquisition and subsequent relocation activities over time. This would be expected to somewhat ease the difficulty in relocating the total number of affected residents in an active housing market with only limited vacancies. Affected businesses are expected to be able to be relocated to new sites either in the City or the surrounding cities, based on the urbanized nature of this part of Orange County. The City will provide substantial relocation assistance to displaced residents and businesses, as described later in mitigation measures LP -2, LP -3, LP -4 and LP -5. However, the loss of single family and multiple family housing is of concern for the region which is addressed in Sections 3.3 (Population and Housing) and Section 6.2 (Cumulative Impacts). As described earlier, the analysis of potential right-of-way acquisition associated with the widening alternatives assumed a full take if the remainder of the affected parcel totals less than 15,000 square feet for commercial uses or less than 6,000 square feet for single family residential uses, or if the remainder of the parcel does not meet the required setback of 15 feet from the new edge of the public right-of-way to the nearest structure on the site for commercial uses .and 20 feet for residential uses. This was to ensure that remnant parcels would be in conformance with site development standards in the Zoning Code. Therefore, implementation of Alternative 1 will not result in land use impacts from the creation of non -conforming land uses. The City of Santa Ana F: IFRO.I-ENMGrand eirWew Text - GrandlSection 3 SplitlSection 3.2.doc Page 3.2-I2 Grand Avenue Widening Project Environmental Impact Report Section 3.0 is evaluating the reuse of parcels impacted by implementation of the proposed project and will reestablish uses that would be consistent with the General Plan designation and zoning. Compensation for all full and partial takes would be provided as described later in Section 3.2.5 (Mitigation Related to Land Use and Planning). Impacts Related to Remnant Parcels As described in Section 1.0 (Project Description and Project Objectives), the acquisition of property to accommodate the widened road cross section under Alternative 1 will result in remainder or remnant parcels left after the completion of construction. The City anticipates these remainder parcels would be combined into larger, developable parcels and sold to private parties for development. As discussed earlier, these parcels are designated for commercial or residential uses in the City's General Plan Land. Use Element. The EIR for the Land Use Element addressed potential impacts of commercial and residential uses on this segment of Grand Avenue at a program or planning level. As part of the future development process for these remainder parcels, proposed commercial uses on the west side of Grand Avenue and on the east side except for the segment between I-5 and north of Fifteenth Street would be subject to independent environmental review. Similarly, proposed residential uses on the east side of Grand Avenue between I-5 and north of Fifteenth Street would also be subject to independent environmental review. This review would assess whether the potential impacts of these uses were addressed in the Land Use Element EIR or would require additional, separate environmental review prior to approval of the proposed uses by the City. If low density residential uses are proposed on the east side of Grand Avenue between I-5 and north of Fifteenth Street, these uses may be consistent with the General Plan land use designation and, as minor infill projects, may not require environmental review. Because future land uses on these remnant parcels cannot be identified at this time and these future uses are not part of Alternative 1 for the widening of Grand Avenue, it is not possible to assess whether these land uses would result in impacts not considered in this EIR or in the General Plan Land Use Element EIR. Nonetheless, based on existing City procedures and policies, any potential impacts of these future uses would be assessed and mitigated, if required, as part of the City's development review process. Therefore, Alternative 1 is not expected to result in adverse land use impacts related to potential reuse of remnant parcels. No mitigation is required. Impacts on an Established Community The NOP indicated that there could be a potentially significant impact regarding the physical disruption or division of an established community. Although this is a fairly qualitative discussion, it should be noted that impacts to an existing established community can be considered weighting factors in significance evaluations. As noted earlier in the existing conditions discussion, the majority of the existing single family residences are older and are generally well maintained and are in good condition. This statement predominantly applies to the residential area between Fourth Street and Santa Ana Boulevard. The fact that the older houses are well maintained could be an indicator of a fairly stable neighborhood (as opposed to a neighborhood in decline) with some sense of community pride. Although this area does not have the very rich cultural background as some F:IPROJ-ENVIGrand eirWew Text- GrandlSection 3 SpIMSection 3.2.doe Page 3.2-13 Grand Avenue Widening Project Environmental Impact Report Section 3.0 other areas of Santa Ana, it will be irreversibly changed by the improvement of Grand Avenue to a six -lane arterial and the elimination (20 properties for Alternative I and 23 properties for Alternative 2) of some of the residential uses along this arterial. In addition, some existing residential uses that were once located in the interior of a residential neighborhood would now have backyards that front Grand Avenue. The overall character of these residential areas would decline. Therefore, the proposed widening under Alternative 1 will physically disrupt this established residential community permanently. The community would also be temporarily impacted by the periodic construction activities as each part of the improvement project becomes funded and implemented. Taking into consideration all of these effects, the implementation of Alternative 1 would result in a significant adverse impact on this established community. Impacts Related to General Plan Consistency Because Alternative 1 is consistent with the General Plan Circulation Element designation of this segment of Grand Avenue as a Major Arterial, Alternative 1 would not result in adverse impacts related to General Plan consistency regarding the designation of Grand Avenue. No mitigation is required. As discussed in Section 2 (Effects Found Not To Be Significant in the Initial Study), Alternative 1 includes the deletion of the Class 2 bike lane from Grand Avenue between 17th Street and First Street from the Bikeway Master Plan of the City of Santa Ana Circulation Element. Alternative 1 would also be inconsistent with Policy 3.3 of the Circulation Element which states "Program the construction of routes identified in the Bikeway Master Plan." Alternative I cannot provide on -street bike lanes due to its narrower cross-section. Therefore, Alternative 1 would be inconsistent with the City's Bikeway Master Plan for an on -street bike lane on Grand Avenue within the project limits. Mitigation Measure LP -1 addressing these inconsistencies is provided in Section 3.2.5 (Mitigation Measures Related to Land Use Planning). The reuse of remnant parcels is anticipated to result in land uses consistent with the General Plan land use designations for the areas along the project segment of Grand Avenue and with the General Plan Major Arterial designation for the project segment of Grand Avenue. Therefore, Alternative 1 will not result in adverse impacts related to consistency with the General Plan land use designations for these areas. No mitigation is required. Impacts of Alternative 1 Related to Consistency with SCAG Land Use Policies The SCAG land use policies from the Regional Comprehensive Plan and Guide are listed in Table 3.2-3. Alternative 1 was evaluated for consistency with each of these policies. As shown in Table 3.2-3, Alternative I is consistent with each policy, except for certain policies determined not to apply to this proposed project. Therefore, Alternative 1 will not result in adverse impacts related to SCAG land use policies. F: IPRGJ-ENMGrand eirWew Text- GrandlSection 3 SplitlSection 3.2.doc Page 3.2-14 via ai p p� � v C � G r� `� y� .'" a°i ' ° m z°❑�❑ A 0 0� .mow chi O N P. 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A reference number has been assigned to each parcel along the Grand Avenue study area. As shown earlier, Table 3.1-1 summarizes the potential right-of-way impacts under Alternatives 1 and 2 and includes the corresponding map reference numbers. As shown, Alternative 2 would result in the full take of 56 parcels and the partial take of 20 parcels. Table 3.1-2, provided earlier, summarizes the property takes for single and multiple family residential dwelling units, commercial and public uses and vacant parcels under Alternative 2. It is expected that the affected residents can be relocated to elsewhere in the City or in the surrounding cities, based on the active housing market in 2000 and the 2.13 percent vacancy rate in 2001 (Department of Finance City and County Population and Housing Estimates, January 2001). However, it may be difficult to quickly relocated all affected residents. As described earlier, the implementation of the proposed widening of Grand Avenue would be phased, which would include the phased acquisition of property. This would have the effect of spreading the property acquisition and subsequent relocation activities over time. This would be expected to somewhat ease the difficulty in relocating the total number of affected residents in an active housing market with only limited vacancies. Affected businesses are expected to be able to be relocated to new sites either in the City or the surrounding cities, based on the urbanized nature of this part of Orange County. The City will provide substantial relocation assistance, as described later in mitigation measures LP -2, LP -3, LP -4 and LP -5. However, the loss of single family and multiple family housing is of concern for the region which is addressed in Sections 3.3 (Population and Housing) and Section 6.2 (Cumulative Impacts). As described earlier, the analysis of potential right-of-way acquisition associated with the widening alternatives assumed a full take if the remainder of the affected parcel totals less than 15,000 square feet for commercial uses or less than 6,000 square feet for single family residential uses, or if the remainder of the parcel does not meet the required setback of 15 feet from the new edge of the public right-of-way to the nearest structure on the site for commercial uses and 20 feet for residential uses. This was to ensure that remnant parcels would be in conformance with site development standards in the Zoning Code. Therefore, implementation of Alternative 2 will not result in land use impacts from the creation of non -conforming land uses. The City of Santa Ana is evaluating the reuse of parcels that were taken for the implementation of the proposed project and will reestablish uses that would be consistent with the General Plan designation and zoning. Compensation for all full and partial takes would be provided as described later in Section 3.2.5 (Mitigation Related to Land Use and Planning). Impacts Related to Remnant Parcels As described in Section 1.0 (Project Description and Project Objectives), the acquisition of property to accommodate the widened road cross section under Alternative 2 will result in remainder or remnant parcels left after the completion of construction. The City anticipates these remainder parcels would be combined into larger, developable parcels and sold to private parties for development. 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MAP KFEAEMCE HuwR Page 3 of 3 -RNATIVE 2 RIGHT -OF WAY IMPACTS 1 , P&D Consultants AND AVENUE WIDENING EIR Grand Avenue Widening Project Environmental Impact Report Section 3.0 As discussed earlier, these parcels are designated for commercial or residential uses in the City's General'Plan Land Use Element. The EIR for the Land Use Element addressed potential impacts of commercial and residential uses on this segment of Grand Avenue at a program or planning level. As part of the future development process for these remainder parcels, proposed commercial uses on the west side of Grand Avenue and on the east side except for the segment between I-5 and north of Fifteenth Street would be subject to independent environmental review. Similarly, proposed residential uses on the east side of Grand Avenue between I-5 and north of Fifteenth Street would also be subject to independent environmental review. This review would assess whether the potential impacts of these uses were addressed in the Land Use Element EIR or would require additional, separate environmental review prior to approval of the proposed uses by the City. If low density residential uses are proposed on the east side of Grand Avenue between I-5 and north of Fifteenth Street, these uses may be consistent with the General Plan land use designation and, as minor infill projects, may not require environmental review. Because future land uses on these remnant parcels cannot be identified at this time and these future uses are not part of Alternative 2 for the widening of Grand Avenue, it is not possible to assess whether these land uses would result in impacts not considered in this EIR or in the General Plan Land Use Element EIR. Nonetheless, based on existing City procedures and policies, zoning any potential impacts of these future uses would be assessed and mitigated, if required, as part of the City's development review process. Therefore, Alternative 2 is not expected to result in adverse land use impacts related to potential reuse of remnant parcels. No mitigation is required. Impacts on an Established Community Alternative 2 would result in the removal of existing residential uses along Grand Avenue. Similar to Alternative 1, this would result in a significant adverse impact on the character of this established community. Impacts Related to General Plan Consistency Because Alternative 2 is consistent with the General Plan Circulation Element designation of this segment of Grand Avenue as a Major Arterial, Alternative 2 would not result in adverse impacts related to General Plan consistency. No mitigation is required. In addition, Alternative 2 accommodates an on -street Class 2 Bike lane as specified in the City's Circulation Element Bikeway Master Plan. No mitigation is required. The reuse of remnant parcels is anticipated to result in land uses consistent with the General Plan land use designations for the areas along the project segment of Grand Avenue and with the General Plan Major Arterial designation for the project segment of Grand Avenue. Therefore, Alternative 2 will not result in adverse impacts related to• consistency with the General Plan land use designations for these areas. No mitigation is required. Impacts of Alternative 2 Related to Consistency with SCAG Land Use Policies The SCAG land use policies from the Regional Comprehensive Plan and Guide were shown earlier in Table 3-3. Alternative 2 was evaluated for consistency with each of these policies. As shown in F: IPROJ-EM (Grand eirlNew Text - GrandlSection 3 SalitWection 3.2.doc Page 3.2-25 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Table 3-3, Alternative 2 is consistent with each policy, except for certain policies determined not to apply to this proposed project. Therefore, Alternative 2 will not result in adverse impacts related to SCAG land use policies. 3.2.5 MITIGATION RELATED TO LAND USE AND PLANNING Mitigation for the impacts of Alternatives I and 2 related to property acquisition is provided in measures LP -2 through LP -5, below. Also, as disussed in Section 1 (Project Description and Poiject Objectives), much of the acquisition process is described in a question and answer format in the City of Santa Ana Handbook on Acquisition which is provided in Appendix I. Alternatives 1 and 2 will not result in adverse impacts related to reuse of remnant parcels and General Plan consistency. No mitigation is required. Alternatives 1 and 2 will not result in adverse impacts related to SCAG land use policies. No mitigation is required. With the exception of one policy, the No Project Alternative will not result in adverse impacts related to SCAG land use policies. Mitigation for this impact is implementation of Alternative 1 or 2. Mitigation measure LU -1, which applied only to Alternative 1 previously, relates to bicycle lanes, as described earlier in Section 2.2 (Land Use Impacts Found Not to be Significant). This mitigation measure has been updated per the refined alignment and definition of Alternative 1. Mitigation measure LP -1 would not apply to Alternative 2 because Alternative 2 would be consistent with the City's Bikeway Master Plan and the Class 11 bike lanes shown on Grand Avenue in the Commuter Bikeways Strategic Plan. In the event that Alternative I is selected, mitigation measure LP -1 shall apply. LP -1 The City shall revise the Bikeway Master Plan to delete the on street bike lanes on this segment of Grand Avenue consistent with the final design of Alternative 1. The City shall also notify OCTA to delete the Class II bike lanes on this segment of Grand Avenue in the Commuter Bikeways Strategic Plan. The deletion of the bikeway from the City's General Plan Bikeway Master Plan, would make the General Plan consistent with the planning for Grand Avenue along this segment. LP -2 Consistent with the requirements of eminent domain law and the Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970, the City of Santa Ana shall pay all owners of real estate including land, buildings and improvements the fair market value for property taken, either in whole or in part, for the widening of the project segment of Grand Avenue. Fair market value shall be determined through appraisal of the affected property. LP -3 Consistent with the requirements of eminent domain law and the Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970, the City of Santa Ana shall assist displaced businesses in finding alternative locations, either within or outside the City limits, as appropriate. Displaced businesses are also eligible for reimbursement of certain F:IPROJ-ENMGrand eir1New Text- Gran&Section 3 SpliMSection 3.2.doc Page 3.2-26 Grand Avenue Widening Project Environmental Impact Report Section 3.0 relocation costs, including the replacement of business stationary or telephone connection fees, and moving costs. hi addition, business specific impacts such as those pertaining to the loss of fixed equipment shall be evaluated and compensated on a case by case basis. LP -4 The City of Santa Ana has several programs available to assist small businesses. All City or City -assisted programs offering such financial assistance shall be offered to qualifying businesses displaced by the project. LP -5 Consistent with the requirements of eminent domain law and the Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970, the City of Santa Ana shall assist displaced residents in finding alternative locations, either within or outside the City limits, as appropriate. Displaced residents are also eligible for the reimbursement of certain relocation costs, including moving costs. 3.2.6 LEVEL OF SIGNIFICANCE AFTER MITIGATION RELATED TO LAND USE AND PLANNING Alternative 1 will result in an inconsistency in the City's Bikeway Master Plan. The implementation of mitigation measure LP -1, if Alternative 1 is selected, will mitigate this impact to below of level of significance. Alternatives 1 and 2 will result in significant adverse impacts related to property acquisition. These impacts can be mitigated to below a level of significance based on measures LP -2, LP -3, LP -4 and LP -5. As discussed later in Sections 3.3 (Population and Housing) and 6.2.4 (Cumulative Impacts Related to Population and Housing), the loss of housing associated with the acquisition of right-of-way for the proposed project may contribute to a cumulative significant adverse impact on housing in the City of Santa Ana. This contribution to a significant cumulative adverse impact by the proposed Grand Avenue widening cannot be mitigated to below a level of significance. Alternatives 1 and 2 will result in the disruption of an established community due to the permanent changes associated with the removal of existing residential uses which previously buffered interior residential properties from Grand Avenue. Although the impact to the community character is not quantifiable, the effect of the disruption due to the removal of existing structures is considered a significant adverse impact on the existing community in proximity of the project limits along Grand Avenue which cannot be mitigated to below a level of significance. Alternatives I and 2 will not result in adverse impacts related to reuse of remnant parcels, General Plan consistency (other than the Bikeway Master Plan for Alternative 1 as described above) and SCAG land use policies. F.•IPROJ-ENMGrand eirWew Text- GrandlSection 3 SplitlSection 3.2.doc Page 3.2-27 Grand Avenue Widening Project Environmental Impact Report Section 3.0 3.3 POPULATION AND HOUSING Based on the findings of the IS, the proposed Grand Avenue widening may or would result in potentially significant adverse impacts on population and housing, specifically related to the displacement of affordable housing. The analysis in the following sections focuses on the existing conditions in the study area, the analysis methodology, thresholds of significance, the potential population and housing impacts of the Grand Avenue widening alternatives related to affordable housing, and mitigation as needed. 3.3.1 EXISTING SETTING RELATED TO POPULATION AND HOUSING Based on housing estimates from the California Department of Finance, there were 74,611 dwelling units in the City of Santa Ana in January 2001. The 2001 housing vacancy rate in the City was 2.13 percent. There are no. assisted housing projects or assisted housing units in the Grand Avenue area. As noted earlier, there are single and multiple family housing units adjacent to the project segment of Grand Avenue. Much of the housing in the Grand Avenue area is older and is likely moderately priced and affordable, compared to newer housing elsewhere in the City. 3.3.2 THRESHOLDS OF SIGNIFICANCE RELATED TO POPULATION AND HOUSING A project will normally have a significant impact related to population and housing if it will result in the displacement of a substantial number of persons or in the displacement of a substantial number of housing units. In addition, a project could result in significant adverse impacts related to population and housing if it: • Induces substantial growth or population through the provision of employment or housing or both employment and housing. • Contributes to cumulative demand for housing. • Is a large scale project which creates a jobs/housing ratio greater than 5.85 in Orange County. 3.3.3 METHODOLOGY RELATED TO POPULATION AND HOUSING The potential impacts of the proposed widening of Grand Avenue were assessed based on the estimated number of residential units that would be acquired and the number of residents that would be displaced by each alternative. The number of residents potentially displaced by the proposed project was estimated assuming an average household size of 4.33 persons in 2000, based on statistics from the California Department of Finance. The Final FIR for the City of Santa Ana General Plan Land Use Element (January 21, 1998) was reviewed as a source for information regarding the status and availability of housing, particularly moderately priced and affordable housing, in the City. In addition, the City of Santa Ana Housing Element (December 2000) was also reviewed as an information source. This information was used in assessing the potential impacts of the Grand Avenue widening on housing and population in the City. PROJ-ENMGrand eirWew Text - GrandlSection 3 SpiitlSection 3.3.doc Page 3.3-I Grand Avenue Widening Project Environmental Impact Report Section 3.0 3.3.4 IMPACTS RELATED TO POPULATION AND HOUSING Impacts of Alternative 1 Related to Population and Housing As shown earlier in Table 3.2-2, Alternative I will require the acquisition of an estimated 20 single family dwelling units and 41 multiple family dwelling units. As shown in Table 3.3-1, a total of approximately 264 residents are estimated to be displaced by the acquisition of these housing units under Alternative 1. TABLE 3.3-1 SUMMARY OF RESIDENTIAL DISPLACEMENTS (1)Assumes an average household size of 4.33 persons. Source: Housing Element pp. A-7. As noted earlier, the housing in this area is older and is likely more moderately priced and affordable than newer housing elsewhere in the City. Therefore, although this housing is not identified by the City as assisted, moderately priced or affordable housing, it is likely considered to be affordable and moderately priced for much of the market it currently serves. The availability of affordable and moderately priced housing in the City of Santa Ana and the surrounding cities is somewhat limited, based on the overall demand for this type of housing and the total number of units meeting the criterion of affordability. Nonetheless, it is expected that the affected residents can be relocated to elsewhere in the City or in the surrounding cities, based on the active housing market in 2000 and the 2.13 percent vacancy rate in the City in 2001. The City will provide substantial relocation assistance to displaced residents, as described earlier in mitigation measures LP -2 and LP -5. Even with mitigation, the loss of these affordable and moderately priced housing units in Santa Ana under Alternative 1 would potentially contribute to a cumulative significant adverse impact after mitigation. This is because of the substantial demand for affordable and moderately priced housing in the City of Santa Ana and the County overall. Refer to Section 6.2.4 (Cumulative Impacts Related to Population and Housing) for additional discussion regarding the cumulative impacts of the Grand Avenue widening and other projects in the City of Santa Ana related to population and housing. Impacts of Alternative 2 Related to Population and Housing As shown earlier in Table 3.2-2, Alternative 2 will require the acquisition of an estimated 23 single family dwelling units and 41 multiple family dwelling units. As shown earlier in Table 3.3-1, a total PROJ-ENVIGrand eirlNew Text- GrandlSection 3 SplitlSection 3.3.doc Page 3.3-2 Alternative 1 Alternative 2 Number of Full Takes Single Family Dwelling Units 20 23 Multiple Family Dwelling Units 41 41 Number of Partial Takes 0 0 Total Takes of Residential Units 61 64 Estimated Number ofDisplaced Residents 1) 1 264 277 (1)Assumes an average household size of 4.33 persons. Source: Housing Element pp. A-7. As noted earlier, the housing in this area is older and is likely more moderately priced and affordable than newer housing elsewhere in the City. Therefore, although this housing is not identified by the City as assisted, moderately priced or affordable housing, it is likely considered to be affordable and moderately priced for much of the market it currently serves. The availability of affordable and moderately priced housing in the City of Santa Ana and the surrounding cities is somewhat limited, based on the overall demand for this type of housing and the total number of units meeting the criterion of affordability. Nonetheless, it is expected that the affected residents can be relocated to elsewhere in the City or in the surrounding cities, based on the active housing market in 2000 and the 2.13 percent vacancy rate in the City in 2001. The City will provide substantial relocation assistance to displaced residents, as described earlier in mitigation measures LP -2 and LP -5. Even with mitigation, the loss of these affordable and moderately priced housing units in Santa Ana under Alternative 1 would potentially contribute to a cumulative significant adverse impact after mitigation. This is because of the substantial demand for affordable and moderately priced housing in the City of Santa Ana and the County overall. Refer to Section 6.2.4 (Cumulative Impacts Related to Population and Housing) for additional discussion regarding the cumulative impacts of the Grand Avenue widening and other projects in the City of Santa Ana related to population and housing. Impacts of Alternative 2 Related to Population and Housing As shown earlier in Table 3.2-2, Alternative 2 will require the acquisition of an estimated 23 single family dwelling units and 41 multiple family dwelling units. As shown earlier in Table 3.3-1, a total PROJ-ENVIGrand eirlNew Text- GrandlSection 3 SplitlSection 3.3.doc Page 3.3-2 Grand Avenue Widening Project Environmental Impact Report Section 3.0 of approximately 277 residents are estimated to be displaced by the acquisition of these housing . units under Alternative 2. Although this housing is not identified by the City as assisted, moderately priced or affordable housing, it likely is considered to be affordable and moderately priced for much of the market it currently serves. The availability of affordable and moderately priced housing in the City of Santa Ana and the surrounding cities is somewhat limited, based on the overall demand for this type of housing and the total number of units meeting a criterion of affordability. Nonetheless, it is expected that the affected residents can be relocated to elsewhere in the City or in the surrounding cities, based on the active housing market in 2000 and the 2.13 percent vacancy rate in the City in 2001. The City will provide substantial relocation assistance to displaced residents, as described earlier in mitigation measures LP -2 and LP -5. Even with mitigation, the loss of these affordable and moderately priced housing units in Santa Ana under Alternative 2 would potentially contribute to a cumulatively significant adverse impact after mitigation. This is because of the substantial demand for affordable and moderately priced housing in the City of Santa Ana and the County overall. Refer to Section 6.2.4 later in this EIR for additional discussion regarding the cumulative impacts of the Grand Avenue widening and other projects in the City of Santa Ana related to population and housing. 3.3.5 MITIGATION RELATED TO POPULATION AND HOUSING Mitigation measures LP -2 and LP -5, provided earlier, would substantially reduce the potential impacts of the proposed widening of Grand Avenue related to population and housing. No further mitigation is proposed. Refer also to Section 6.2.4 later in this EIR for discussion regarding the numerous policies in the City of Santa Ana General Plan Housing Element related to the protection and preservation of existing housing and the development of new housing in the City. 3.3.6 LEVEL OF SIGNIFICANCE AFTER MITIGATION RELATED TO POPULATION AND HOUSING Mitigation measures LP -2 and LP -5 would substantially mitigate the adverse impacts of Alternatives 1 and 2 related to population and housing. However, based on the demand for affordable and moderately priced housing and the available housing stock, the cumulative loss of residential units in the City cannot be mitigated to below a level of significance. PROJ-ENNGrand eirWew Text - GrandlSection 3 SplitlSection 3.3.doc Page 3.3-3 Grand Avenue Widening Project Environmental Impact Report Section 3.0 3.4 AIR QUALITY Based on the findings of the IS, the proposed Grand Avenue widening may or would result in potentially significant adverse air quality impacts, specifically related to the potential violation of, or contribution to the violation of, a defined ambient air quality standard and the potential exposure of sensitive receptors to pollutants. The analysis in the following sections focuses on the existing conditions in the study area, the analysis methodology, thresholds of significance, the potential air quality impacts of the Grand Avenue widening alternatives related to the ambient air quality standards (AAQS) and sensitive receptors, and mitigation as needed. The analysis of the potential air quality impacts of the proposed Grand Avenue widening was conducted by Mestre Greve Associates as documented in the Air Quality Assessment for the Grand Avenue Widening City of Santa An (Mestre Greve Associates, July 20, 2001). The findings of this technical analysis are summarized in the following sections. The complete air quality technical report is included in Appendix E of this EIR. 3.4.1 EXISTING SETTING RELATED TO AIR QUALITY Climate The climate in and around the Grand Avenue project area, as with all of southern California, is controlled largely by the strength and position of the subtropical high pressure cell over the Pacific Ocean. It maintains moderate temperatures and comfortable humidities, and limits precipitation to a few storms during the winter, wet season. Temperatures are normally mild, except during the summer months which commonly experience substantially higher temperatures. Temperatures of 100 degrees Fahrenheit (F) have been recorded during summer months in recent years. The annual average temperature in the South Coast Air Basin (Basin) is approximately 75 degrees F. Winds in the project area are almost always driven by the dominant land/sea breeze circulation system. Regional wind patterns are dominated by daytime on -shore sea breezes. At night, the wind generally slows and reverses direction, traveling towards the sea. During the transition period from one wind pattern to the other, the dominant wind direction rotates into the south and causes a minor wind direction maximum from the south. The frequency of calm winds, defined as winds of less than two miles per hour, is less than 10 percent. Therefore, there is little stagnation in the vicinity of the project segment of Grand Avenue, especially during busy daytime traffic hours. Southern California frequently has temperature inversions which inhibit the dispersion of pollutants. Ground based or radiation inversions are most severe during clear, cold, early winter mornings. Under conditions of a ground based inversion, very little mixing or turbulence occurs, and high concentrations of primary pollutants may occur near major roads. Elevated inversions act as a lid or upper boundary and restrict vertical mixing. Dispersion is not restricted below an elevated inversion. Mixing heights for elevated inversions are lower and more persistent in the summer. Low summer inversions put a lid over the Basin and are responsible for the high levels of ozone (03) observed during summer months in the Basin. F.-IPROJ-ENMGrand eirWew Text - GrandlSection 3 SplitlSection 3.4.doc Page 3.4-I Grand Avenue Widening Project Environmental Impact Report Section 3.0 Air Quality Management The proposed Grand Avenue widening project is in the Basin and is, therefore, subject to review with respect to the Air Quality Management Plan (AQMP) adopted by the South Coast Air Quality Management District (AQMD). The Basin consists of all of Orange County and the non -desert parts of Los Angeles, Riverside and San Bernardino Counties. The proposed project is jurisdictionally the responsibility of the AQMD and, to a lesser extent, the California Air Resources Board (CARB). The AQMD sets and enforces regulations for stationary sources in the Basin and develops and implements Transportation Control Measures. The CARB is charged with controlling motor vehicle emissions, including the establishment of legal emissions rates for new vehicles and oversight of the California vehicle emissions program. Other agencies important in air quality management for the Basin include the United States Environmental Protection Agency (EPA) and SCAG. The EPA implements the provisions of the federal Clean Air Act (CAA) which establishes national ambient air quality standards (AAQS). In areas which are not achieving these standards, the CAA requires that plans be developed and implemented to meet the AAQS. The EPA oversees these efforts in the Basin and insures that appropriate plans are developed and implemented. The primary agencies responsible for writing and implementing the AQMP are SCAG and the AQMD. The AQMD and SCAG, in coordination with local governments and the private sector, developed the AQMP for the Basin. The AQMP is the most important air quality management document for the Basin because it provides a blueprint for meeting the defined federal and state AAQS. The 1997 AQMP was adopted locally on November 8, 1996, by the AQMD Board. The CARB amended the 03 part of the 1997 AQMP in 1999 as part of the California State Implementation Plan. The 1997 AQMP with the 1999 Amendments was adopted by the EPA in December 1999. State law mandates the revision of the AQMP at least every three years, and federal law specifies certain dates for development attainment plans for criteria pollutants. The 1997 AQMP with the 1999 Amendments supersedes the 1994 AQMP revision that was adopted locally by the AQMD in November 1996. The 1997 revision to the AQMP was adopted in response to the requirements set forth in the California Clean Air Act (CCAA) and the 1990 amendments to the federal CAA. The AQMD and SCAG are currently in the process of preparing a 2001 AQMP. The Basin has been designated by the EPA as a non -attainment area for 03, carbon monoxide (CO) and suspended particulates. Nitrogen dioxide (NO2) in the Basin has met the federal AAQS for the last three years and, therefore, is qualified for redesignation to attainment. A maintenance plan for NO2 is included in the 1997 AQMP. The CCAA mandates the implementation of a program that will achieve the California AAQS and the CAA mandates the implementation of new air quality performance standards. .The attainment of all federal PMIo health standards is to be achieved no later than December 31, 2006, and 03 standards are to be achieved no later than November 15, 2010. The deadline for meeting the CO standards was December 31, 2000. The overall strategy for the AQMP is to meet the applicable state and federal requirements and to demonstrate attainment of the AAQS. The 1997 AQMP uses two tiers of emission reduction measures: short and intermediate term measures, and long term measures. Short and intermediate measures can be adopted using available technologies and management practices between 1994 and F: IPROJ-ENRGrand eirWew Text - GrandlSection 3 SplitlSection 3.4.doc Page 3.4-2 Grand Avenue Widening Project Environmental Impact Report Section 3.0 2005. These measures rely on known technologies and proposed actions to be taken by several agencies that have statutory authority to implement such measures. Short and intermediate term measures in the 1997 AQMP include 35 stationary source, seven on road, six off road, one transportation control and indirect source, five advanced transportation technology and one further study measures. These measures, proposed to be implemented between 1995 and 2005, rely on both traditional command and control, and on alternative approaches to implement technological solutions and control measures. To ultimately achieve the defined AAQS, additional emissions reductions will be necessary, beyond the implementation of the short and intermediate measures. Long term measures rely on the advancement of technologies and control measures that can reasonably be expected to occur between 1997 and 2010. These long term measures rely on further development and refinement of known low and zero emissions control technologies for both mobile and stationary sources, in addition to technological breakthroughs. These measures are proposed to be implemented between 1997 and 2010. Monitored Air Quality Air quality at any site is dependent on the regional air quality and local pollutant sources. Regional air quality is determined by the release of pollutants throughout the Basin. Estimates for the Basin have been made for existing emissions, as documented in the AQMP. Those data indicate mobile sources are the major source of regional emissions in the Basin. Motor vehicles account for approximately 51 percent of volatile organic compounds (VOC), 63 percent of nitrogen oxide (NO.) emissions and approximately 78 percent of CO emissions in the Basin. The Grand Avenue project area is in AQMD Source Receptor Area 17 (Central Orange County). The Receptor Area 17 monitoring station, the nearest air quality monitoring station to Grand Avenue, is in Anaheim. Air quality data collected at this station is considered to be representative of the air quality in the Grand Avenue area. Air quality at the Source Receptor Area 17 station is monitored for 03, CO, NO2 and PM10. The air quality monitoring data for these pollutants at this station from 1998 to 2000 are shown in Table 3.4-1. The air quality data for Source Receptor Area 17 indicates that 03 is the pollutant of primary concern in the project area. The state standard for 03 was exceeded once every 40 days in 2000, once in 1999 and once every 37 days in 1998. 03 is a secondary pollutant, which means that it is not directly emitted. 03 is the result of photochemical reactions between other pollutants, most importantly hydrocarbons, and NO2. Pollutants emitted from upwind cities react during transport downwind to produce the oxidant concentrations experienced in Source Receptor Area 17. Many areas in the Basin contribute to the 03 levels experienced at the Source Receptor Area 17 station, with the more significant areas being those directly upwind. F.•IPROJ-ENMGrand eirlNew Text - GrandlSection 3 SplitlSection 3.4.doc Page 3.4-3 Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.4-1 EXISTING AIR QUALITY LEVELS MEASURED AT THE SOURCE RECEPTOR AREA 17 AIR QUALITY MONITORING STATION Notes: 1. PM10 samples were collected every six days. The percentages refer to the percent of samples exceeding the standard and not the number of days per year that the standard was exceeded. 2. ppm—parts per million. 3. Data presented are valid, but incomplete in that an insufficient number of valid data points were collected to meet EPA and/or CARB criteria for representatives. Sources: South Coast Air Quality Management District and Mestre Greve Associates (2001). CO is another important pollutant that is due largely to motor vehicles. High levels of CO commonly occur near major roads and freeways. CO levels in the region and in the Grand Avenue project area are currently within both the state and federal AAQS. However, CO may potentially be a problem in the future for areas adjacent to freeways and other major roads. The state standards for PMio have been exceeded consistently in Source Receptor Area 17, for approximately four percent of the days measured in 2000, 25 percent of the days measured in 1999 and 20 percent of the days measured in 1998. PMte levels in this area are due to natural sources, grading operations and motor vehicles. According to the EPA, some people are much more sensitive than others to breathing fine particles or PMio. People with influenza, chronic respiratory and cardiovascular diseases, and the elderly may suffer worsening illness and premature death due to breathing PMte. Other groups considered sensitive include smokers, people who cannot breathe well through their noses and exercising athletes who may breathe through their mouths. PMI a levels have decreased significantly in the last three years. Other than the 03 and PMio exceedances in Source Receptor Area 17 described above, no federal or state AAQS were exceeded for the other criteria pollutants, as shown earlier in Table 3.4-1. F.•IPROJ-ENMGrand eirlNew Text - GrandlSection 3 SpliMection 3.4.doc Page 3.4-4 California National Maximum Level Days State Std. Pollutant Standard 2 Standard 2 Year Exceed Ozone (03) 0.09 ppm 0.12 ppm 2000 0.13 9 for 1 hour for I hour 1999 010 (3) 1 (3) 1998 0.14 10 Carbon Monoxide 20 ppm 35 ppm 2000 7.3 0 (CO) for 1 hour for 1 hour 1999 8.3(3) 0 (3) 1998 7.9 0 Carbon Monox de 9.0 ppm 9 ppm 2000 4.7 0 (CO) (3) for 8 hours for 8 hours 1999 5.3 0 1998 5.3 0 Particulates (PMio) 50 ug/m 150 ug/n? 2000 126 15(4-1.) for 24 hours for 24 hours 1999 122f 90 (25%) (3) 1998 81t 72(20% (3) Nitrogen Dioxide 0.25 ppm 0.053 ppm 2000 0.11 0 (NO2) for 1 hour AAM 1999 0.12 0 1998 0.14 0 Notes: 1. PM10 samples were collected every six days. The percentages refer to the percent of samples exceeding the standard and not the number of days per year that the standard was exceeded. 2. ppm—parts per million. 3. Data presented are valid, but incomplete in that an insufficient number of valid data points were collected to meet EPA and/or CARB criteria for representatives. Sources: South Coast Air Quality Management District and Mestre Greve Associates (2001). CO is another important pollutant that is due largely to motor vehicles. High levels of CO commonly occur near major roads and freeways. CO levels in the region and in the Grand Avenue project area are currently within both the state and federal AAQS. However, CO may potentially be a problem in the future for areas adjacent to freeways and other major roads. The state standards for PMio have been exceeded consistently in Source Receptor Area 17, for approximately four percent of the days measured in 2000, 25 percent of the days measured in 1999 and 20 percent of the days measured in 1998. PMte levels in this area are due to natural sources, grading operations and motor vehicles. According to the EPA, some people are much more sensitive than others to breathing fine particles or PMio. People with influenza, chronic respiratory and cardiovascular diseases, and the elderly may suffer worsening illness and premature death due to breathing PMte. Other groups considered sensitive include smokers, people who cannot breathe well through their noses and exercising athletes who may breathe through their mouths. PMI a levels have decreased significantly in the last three years. Other than the 03 and PMio exceedances in Source Receptor Area 17 described above, no federal or state AAQS were exceeded for the other criteria pollutants, as shown earlier in Table 3.4-1. F.•IPROJ-ENMGrand eirlNew Text - GrandlSection 3 SpliMection 3.4.doc Page 3.4-4 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Local Air Quality Local air quality is a major concern along roads. CO is a primary pollutant which is directly emitted from a variety of sources, the primary source being motor vehicles. For this reason, CO concentrations are usually indicative of the local air quality generated -by a road network and are used to assess its impacts on local air quality. Comparisons of CO levels with the federal and state AAQS indicate the severity of the existing concentrations for receptors in the project area. The federal and state AAQS for CO were provided earlier in Table 3.4-1. CO levels due to roads in the vicinity of Grand Avenue were assessed with the CALINE4 computer model, a fourth generation line source air quality model developed by the California Department of Transportation ("CALINE4," Report No. FHWA/CA/TL-84/15, June 1989). The purpose of the model is to assess air quality impacts near transportation facilities in the microscale region. The microscale region encompasses an area a few thousand feet around a pollutant source. Given source strength, meteorology, site geometry and site characteristics, the model can reliably predict pollutant concentrations. The methodology for forecasting existing and future CO levels in the Grand Avenue area is described in greater detail later in Section 3.3.4 (Methodology Related to Air Quality). The CALINE4 computer modeling for CO was conducted for three intersections in the vicinity of the proposed project: Grand Avenue/First Street, Grand Avenue/Frait Street and Grand Avenue/Seventeenth Street. Receptors were located approximately 25 feet from the nearest existing land uses. These receptor locations are shown in Figure 3.4-1. The existing CO concentrations at these intersections are shown on Table 3.4-2. The existing background CO concentrations for 1997 were taken from the AQMD CEQA Air Quality Handbook (1993), the latest available source for this information. The existing 2000 CO background concentrations are available for the air quality monitoring station in Anaheim, which is the nearest representative station. The existing background CO levels are estimated to be 7.3 parts per million (ppm) for one hour and 5.8 ppm for eight hours. Therefore, 7.3 ppm was added to the worst case on hour CO projections and 5.8 ppm was added to the eight hour projects, to account for background CO levels on Grand Avenue, as shown in Table 3.4-2. The traffic data for the Grand Avenue widening project were provided by P&D Consultants, Inc. (July 2001). The peak hour levels of service (LOS) on Grand Avenue are important in the CALINE4 computer modeling because they determine congestion levels. The more congested an intersection, the lower the travel speeds. The speeds used in the modeling determine the vehicular emissions factors. The lower the speeds, the higher the emissions factors and, therefore, the higher the CO levels. PM peak hour traffic is used in the CALINE4 computer model as the worst case traffic scenario because PM peak hour traffic volumes are higher than AM peak hour volumes. The modeling results of the existing CO levels at the three project area intersections are shown in Table 3.4-2. As shown, the existing one hour CO levels range from 10.9 to 11.3 ppm, well below the AAQS of 20 ppm. The eight hour CO levels range from 7.6 to 7.9 ppm, also well below the AAQS of 9 ppm. F:IPROJ-EWGrand eirlNew Text- GrandlSection 3 SplitWection 3.4.doc Page 3.4-5 ORAl®NGE y •L..r•j r. i -g 2�r��'dei Grove _ y.. NP _,... 7.� 17th St. 3Nl< ..._..I a I LL R- h First St. TUSTIN i�. SANTA ANA \NOT TO SCALE ® Receptor Location % CALINE4 CO MODELING RECEPTOR LOCATIONS �' P&DConsultants GRAND AVENUE WIDENING EIR Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.4-2 EXISTING CARBON MONOXIDE CONCENTRATIONS Roadway Carbon Monoxide m 1 hour 8 hour RECEPTOR LOCATIONS 1. N.W. Grand Avenue/1" Street 10.9 7.6 2. S.W. Grand Avenue/Frait Street—residential 11.3 7.9 3. S.W. Grand Avenue/17th Street 11.0 7.7 Summary of No. of Sites No. of Sites Carbon Monoxide Exceeding Exceeding State Standard 20 ppm 9 nnm Exceedances 0 0 Notes: 1. The CO concentrations include ambient concentrations of 7.3 ppm for 1 -hour levels and 5.8 ppm for 8 - hour levels. 2. ppm—parts per million. 3. The receptor locations are sbown in Figure 3.4-1. 3.4.2 THRESHOLDS OF SIGNIFICANCE RELATED TO AIR QUALITY A project will normally have a significant impact related to air quality if it will result in: • A violation of any ambient air quality standard. • A significant contribution to an existing or projected air quality violation. • Exposure of sensitive receptors to substantial pollutant concentrations. The AQMD has established the following emissions thresholds for long term operations related emissions: • 550 pounds daily of CO • 55 pounds daily of NO, • 150 pounds daily of sulfur dioxide (SO2) • 55 pounds daily of reactive organic gases (ROG) • 150 pounds daily of PMto The AQMD has established the following quarterly (and daily) thresholds for short term construction related emissions: F:IPROJ-ENMGrand eirlNew Text- GrandlSection 3 SplitlSection 3.4.doc Page 3.4-7 Grand Avenue Widening Project Environmental Impact Report Section 3.0 • 24.75 tons of CO (550 pounds per day) • 2.5 tons of ROG (75 pounds per day) • 2.5 tons of N% (100 pounds per day) • 6.75 tons PM10 (150 pounds per day) • 6.75 tons of SO, (150 pounds per day) 3.4.3 METHODOLOGY RELATED TO AIR QUALITY CO is the pollutant of major concern along roads because the most notable source of CO is motor vehicles. As a result, CO concentrations are usually indicative of local air quality generated by a road network and are used as an indicator of the potential impacts of a road on local air quality. Local air quality impacts can also be assessed by comparing future CO concentration with the state and federal CO standards and by comparing future CO concentrations with and without a proposed project. Future CO concentrations in the Grand Avenue area, with and without the proposed widening, were forecast using the CALINE4 computer model. This model forecasts air quality impacts near transportation facilities, in the microscale region. Worst case meteorology was assessed. A late afternoon winter period with a ground based inversion was considered. For worst case meteorological conditions, a wind speed of 0.5 meter per second (one mile per hour) and a stability class G were used for a one hour averaging time. Stability class G is the worst case scenario in terms of the most turbulent atmospheric conditions. A worst case wind direction for each site was determined by the CALINE4 model. A sigma theta of 10 degrees was used to represent the fluctuation of wind direction. A high sigma theta value would represent a very changeable wind direction. The temperature used for worst case was 50 degrees F. Temperature affects the dispersion pattern and emission rates of motor vehicles. The temperature represents the January mean minimum temperature as reported by Caltrans. The wind speed, stability class, sigma theta and temperature data used for the modeling are those recommended in the Development of Worst Case Meteorology Criteria (California Department of Transportation, June 1989). A mixing height . of 1,000 meters was used as recommended in the CALINE4 Manual. A surface roughness of the ground in the area, 100 centimeters, was used based on the CALINE4 Manual. The results are also determined based on the LOS on the area roads. Emission factors for the arterials used with the CALINE4 computer model were obtained from the CARB. The emission factors of version MVEI7G, which is the latest version, were used. The CALINE4 modeling for the arterials was conducted using peak hour traffic data and includes traffic on Interstate 5 (I-5). The peak hour traffic for I-5 is assumed to be about ten percent of the average daily traffic on this freeway. Future projected traffic volumes with and without the proposed Grand Avenue widening project are essentially similar. F: WW-ENMGrand eirlNew Text - GrandlSection 3 SplitlSection 3.4.doc Page 3.4-8 Grand Avenue Widening Project Environmental Impact Report Section 3.0 The peak hour volumes and LOSS at the three Grand Avenue intersections identified earlier were used in the CALINE4 modeling. The LOSS determine the congestion levels and, therefore, the travel speeds and CO emissions at these intersections. Eight hour CO levels were projected using the methodology described in the Caltrans Air Qualit Technical Analysis Notes. This method essentially uses a persistence factor which is multiplied times the one hour emission projections. The projected eight hour ambient concentration is then added to the product. The persistence factor can be estimated using the highest ratio of eight hour to one hour second annual maximum CO concentrations from the most recent three years for which data is available. For the proposed Grand Avenue widening, a persistence factor of 0.7 was used. The data and results of the CALINE4 modeling for the proposed Grand Avenue widening are provided in the appendix of the AirQuality Assessment technical report. Generally, the one hour CO level is considered the peak maximum CO level since it is the highest CO measured for an hour. According to the Caltrans Air Quality Technical Analysis Notes, changes in meteorology and traffic over time disperse CO concentration levels and cause them to be less severe. Therefore, it is highly unlikely that the one hour CO levels would persist for a full eight hours. As a result, a one hour CO level is considered generally the peak level and is usually higher than an eight hour CO level. SCAG identified two air quality policies in the growth management chapter of the Regional Comprehensive Plan and Guide. The proposed Grand Avenue widening alternatives were evaluated for consistency with these air quality policies. 3.4.4 IMPACTS RELATED TO AIR QUALITY Short and long term air quality impacts were assessed. Short term impacts would occur during grading and construction activities for the widening alternatives. Long term impacts would occur during operation of the widened segment of Grand Avenue. hnpacts of Alternative 1 Related to Air Quality Short Term Air Quality Impacts Under Alternative 1 Construction under Alternative 1 will include two major components. The first will be the removal of the existing road pavement, sidewalks and landscaping, and the demolition and removal of existing structures such as commercial and residential structures. The second component consists of grading the right-of-way and construction of the road surface, sidewalks, sound walls and landscaping. In general, the equipment for these demolition and construction activities will consist of several pieces of heavy equipment, such as scrapers, tractors and graders. Another type of equipment that would be used would be large dump trucks, for hauling wastes from the site and materials to the site. There would generally only be one or two dump trucks working at the site at any one time. For this analysis, it was assumed that up to three pieces of heavy equipment would be operated simultaneously, as described below. F.IPRO.I-ENVIGrand eirWew Text - GrandlSection 3 SplitlSection 3.4.doc Page 3.4-9 Grand Avenue Widening Project Environmental Impact Report Section 3.0 There are expected to be some short term temporary air quality impacts resulting from demolition and construction of the widened Grand Avenue under Alternative 1. Air pollutants will be emitted by construction equipment and fugitive dust will be generated during grading and site preparation. The EPA has set air pollutant emission factors for construction activities for large development projects. Based on the CLQ Air Quality Handbook (AQMD, 1993), the emission factor for disturbed soil is 26.4 pounds of PM10 per day per acre of disturbed area. If water and/or other soil stabilizers are used, as required under AQMD Rule 403, fugitive dust emissions can be reduced by up to fifty percent. The widening of Grand Avenue could potentially result in short term impacts associated with dust and equipment emissions. It is difficult to quantify emissions from heavy duty equipment because of the day to day variability in construction activities and equipment used. Typical emission rates for construction equipment from the CEOA Air Quality Handbook were used for this analysis. For a project of this size, at least three pieces of heavy equipment, including one scraper, one tractor and one grader, may be expected to operate at any one time. If all three pieces of equipment were to operate over an eight hour period, the emissions that would result would be 14 pounds per day of CO, three pounds per day of NO2, 41 pounds per day of ROG, five pounds per day of SO2 and approximately five pounds per day of PM10. Air pollutants will also be generated by construction workers traveling to and from the job site. However, information is not available at this time to project these emissions accurately although they are usually small in comparison to other construction related emissions. Based on these emissions, construction of the proposed Grand Avenue widening would not exceed the defined AQMD thresholds listed earlier. Therefore, the construction related emissions of the proposed Grand Avenue widening would not be significant. In addition, as noted earlier in Section 2.4 (Geology Impacts Found Not to be Significant), mitigation measures G-3 and G-4 are proposed to reduce dust and erosion emissions associated with the proposed project. No further mitigation is required for short term air quality impacts under Alternative 1. As described earlier in Section 1.0 (Project Description and Project Objectives), it is anticipated that the widening of Grand Avenue under Alternative 1 will be constructed in phases, based on available funding. For example, as funding becomes available, the intersections could be improved, followed later by the widening of Grand Avenue on the segments between the intersections. Therefore, the demolition and construction for the widening under Alternative 1 would not occur in one continuous time period. Demolition and construction activities could occur intermittently over a period of several years before construction of the entire widening project is complete. Therefore, these potential air quality impacts could occur over time, as short segments of the Grand Avenue widening is constructed. However, even with phased construction, the construction related emissions of the proposed Grand Avenue widening would not be significant. F.IPROJ-ENVAGrand eirlNew Text- GrandlSection 3 SplitlSection 3.4.doe Page 3.4-10 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Long Term Air Quality Impacts Under Alternative I Local Area Air Ouality. The CALINE4 computer modeling results for the buildout year for the Grand Avenue widening, 2020, are shown in Table 3.4-3. The future CO modeling was conducted at the intersections of Grand Avenue with First, Fruit and Seventeenth Streets. The receptor locations used for the future CO modeling are the same receptor locations as for the modeling of existing CO levels, shown earlier in Figure 3.4-1. The future ambient background CO concentration levels are from the CEOA Air Quality Handbook. The future projected ambient CO levels for 2000 were used for this analysis because data is not available for 2020. Therefore, it is assumed that the background CO levels for 2000 are the same as 2020. This can be considered as the worst case scenario because background CO levels are projected to decrease steadily in future years. The future background levels, from the Anaheim monitoring station, are 9.5 ppm for one hour CO levels and 5.5 ppm for eight hour CO levels. The CO levels in Table 3.4-3 are totals of the background levels of CO coming into that area plus the CO levels generated by the local roads. The CALWFA CO modeling was conducted for two scenarios: the future No Project Alternative and the future With Project Alternative. As shown in Table 3.4-3, the future CO levels for the No Project Alternative are estimated to range between 9.7 and 11.3 parts per million (ppm) for one hour and between 6.8 and 7.9ppm for eight hours. The future CO levels associated with the proposed Grand Avenue widening project are expected to range between 9.5 and 11.0 ppm for one hour and between 6.7 and 7.7 ppm for eight hours. The future CO concentrations for both the project and No Project Alternatives are anticipated to be below the state and federal AAQS as shown in Table 3.4- 3. For these future scenarios, the CO levels during peak hour traffic for the future with project alternative are anticipated to be less than under the No Project Alternative. Under the proposed widening project, future CO levels are projected to be an average of 0.3 ppm less for one hour and 0.2 ppm for eight hours at the three receptor locations, compared to the No Project Alternative. The reductions in the future CO levels under the proposed project occur because the proposed widening project will help alleviate the heavy traffic congestion at intersections within the project limits. Without the proposed Grand Avenue widening, the intersection of Grand Avenue with First Street will operate at LOS D in 2020; the intersections at the I-5 northbound ramps, Seventeenth Street and Fourth Street will operate at LOS E; and the intersection with Fruit Street will operate at LOS C. The 2020 peak hour traffic at these intersections will be very congested. However, with the proposed Grand Avenue widening, the peak hour traffic on Grand Avenue, specifically at the I-5 northbound ramp and Santa Ana Boulevard will be improved to LOS C. The peak hour traffic on Grand at Fourth Street and Seventeenth Street will be improved to LOS D. The only intersection that will not be improved with project implementation is the southbound intersection at Santa Ana Boulevard where the exclusive dual right turn lanes will be converted to a single right tum lane and one through lane, to provide a third through lane. This conversion will result in the intersection performing at LOS F during PM peak hour. Under the no project condition it would perform at LOS D during PM peak hour. Refer to Section 3.5 (Transportation) for a detailed discussion on traffic. F.•IPROJ-ENVIGrand eirlNew Text - GrandlSection 3 SpIOSection 3.4.doc Page 3.4-11 Grand Avenue Widening Project Environmental Impact Report Section 3.0 The future with project CO modeling results in Table 3.4-3 can also be compared with the existing CO levels shown earlier in Table 3.4-2. As shown, the future with project CO concentration levels will essentially be lower than the existing CO levels. The future CO concentration levels will be reduced an average 0.9 ppm for one hour CO and 0.5 ppm for eight hours at the three intersections assuming implementation of the proposed Grand Avenue widening. This is mainly due to this proposed widening project, the decrease in future background CO concentration levels and the anticipated decrease in the vehicular emission factors (version MVEI7G). In general, the background CO concentration and the vehicular emission factors are projected to decrease steadily in future years. The future contribution of the local traffic will actually increase due to an increase in traffic volumes, but this will be more than offset by the decrease in background CO levels and vehicular emission factors. In addition, the proposed widening project will alleviate the traffic congestion at these intersections and, therefore, the future CO levels are also anticipated to be reduced. TABLE 3.4-3 WORST CASE PROJECTIONS OF CARBON MONOXIDE CONCENTRATIONS FOR 2020 Receptor Locations Future Carbon Monoxide Concentrations No Project m With Project m 1 hour 8 hours 1 hour 8 hours 1. N.W. Grand Avenue/First Street 9.7 6.8 9.5 6.7 2. S.W. Grand Avenue/Fruit Street 11.3 7.9 11.0 7.7 residential 3. S.W. Grand Avenue/17s Sheet 10.8 7.6 10.6 7.4 Summary of Carbon Monoxide State No. of Sites No. of Sites No. of Sites No. of Sites Standards Exceedances Exceeding Exceeding Exceeding Exceeding 20 Pum 9 pLm 20 pnm 9 Pool 0 0 0 0 In summary, Alternative 1 will not result in adverse impacts on local air quality and will contribute to a reduction in CO levels for the one and eight hour periods, compared to both existing conditions and the future No Project Alternative. Regional Air Quality. Increases in CO levels in the region compared to existing conditions were projected with and without the proposed Grand Avenue widening. Under the No Project Alternative, future traffic at the intersections along Grand Avenue will be very congested. During the peak hour, traffic demand on Grand Avenue will be well above the capacity of this street, especially at First Street, Santa Ana Boulevard, Washington Place and Seventeenth Street. With the proposed Grand Avenue widening, air quality is projected to improve since this project will alleviate heavy traffic congestion at these intersections. It is anticipated that, with the implementation of the proposed Grand Avenue widening, regional CO emissions will be reduced with respect to the No Project Alternative although the amount of this emission reduction can not be quantified. In summary, the proposed Grand Avenue widening would beneficially affect regional air quality. F: IPROJ-ENMGrand eirlNew Text - Gran&Section 3 SplitlSection 3.4.doc Page 3.4-12 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Impacts Related to Consistency with SCAG Air Quality Policies The SCAG air quality policies, from the Regional Comprehensive Plan and Guide, are listed in Table 3.4-4. Alternative 1 was evaluated for consistency with each of these policies. As shown in Table 3.4-4, Alternative 1 is consistent with policy 5.11. Policy 5.07 was determined not to apply to this proposed project. Therefore, Alternative 1 will not result in adverse impacts related to SCAG air quality policies. TABLE 3.4-4 CONSISTENCY WITH SCAG AIR QUALITY RELATED POLICIES Policy Number SCAG Poli Source Consistency of the Grand Avenue Widening with Policy 5.07 Determine specific programs and associated actions The assessment of options to command and needed (e.g., indirect source rules, enhanced use of control regulations is outside the scope of this telecommunications, provision of community based shuttle proposed project. Therefore, this SCAG policy service, provision of demand management based does not apply to the proposed Grand Avenue programs, or vehicle-miles-noveled/emission fees) so that widening and the No Project Alternative. options to command and control regulations can be assessed. 1 5.11 Through the environmental document review process, Refer to Sections 3.2 (Land Use and Planning), ensure that plans at all levels of government (regional, air 3.4 (Air Quality) and 3.5 (Transportation and basin, county, subregional and local) consider air quality, Circulation) in this EIR. Based on the discussions land use, transportation and economic relationships to in these sections, the proposed Grand Avenue ensure consistency and minimize conflicts. (1) widening and the No Project Alternative are consistent with this SCAG policy. Sources: (1) Growth Management Chapter of the Regional Comprehensive Plan and Guide. Impacts of Alternative 2 Related to Air Quality Short Term Air Quality Impacts Under Alternative 2 Construction under Alternative 2 will include the same two major components, demolition and construction, as described earlier for Alternative 1. The equipment for these demolition and construction activities under Alternative 2 would be the same as described earlier for Alternative 1. Similar to the analysis for Alternative 1, the analysis for Alternative 2 assumed that up to three pieces of heavy equipment would be operated simultaneously, as described below. Alternative 2 would result in short term air quality impacts during demolition and construction similar to the impacts under Alternative 1. However, because Alternative 2 would result in widening Grand Avenue in a wider total cross section than under Alternative 1, the length of time construction would occur under Alternative 2 would likely be slightly longer than under Alternative 1. Nonetheless, assuming the same level of effort of three large pieces of equipment operating simultaneously, Alternative 2 would not result in emissions that exceed the defined thresholds. Therefore, the construction related emissions of the proposed Grand Avenue widening under Alternative 2 would not be significant. In addition, as noted earlier in Section 2.4 (Geology Impacts Found Not to be Significant), mitigation measures G-3 and G-4 are proposed to reduce dust and erosion emissions associated with F.-IPROJ-ENVIGrand eirlNew Text - GrandlSection 3 SplitlSection 3.4. doe Page 3.4-13 Grand Avenue Widening Project Environmental Impact Report Section 3.0 the proposed project under Alternatives 1 or 2. No further mitigation is required for short term air quality impacts under Alternative 2. As described earlier in Section 1.0 (Project Description and Project Objectives), it is anticipated that the widening of Grand Avenue under Alternative 2 will be constructed in phases, based on available funding. For example, as funding becomes available, the intersections could be improved, followed later by the widening of Grand Avenue on the segments between the intersections. Therefore, the demolition and construction for the widening under Alternative 2 would not occur in one continuous time period. Demolition and construction activities could occur intermittently over a period of several years before construction of the entire widening project is complete. Therefore, these potential air quality impacts could occur over time, as short segments of the Grand Avenue widening is constructed. however, even with phased construction, the construction related emissions of the proposed Grand Avenue widening under Alternative 2 would not be significant. Long Term Air Quality Impacts Under Alternative 2 Local Area Air Qualitv. The CALF M4 computer modeling results for the buildout year for the Grand Avenue widening, 2020, shown earlier in Table 3.4-3 would be the same for Alternative 2 as the traffic volumes on Grand Avenue would be similar under Alternatives 1 and 2. Therefore, Alternative 2 will not result in adverse impacts on local air quality and will contribute to a reduction in CO levels for one and eight hour periods, compared to both existing conditions and the future No Project Alternative. Regional Air Qualitv. Increases in CO levels in the region compared to existing conditions were projected with and without the proposed Grand Avenue widening. Under the No Project Alternative, future traffic at the intersections along Grand Avenue will be very congested as described earlier. With the proposed Grand Avenue widening under Alternative 2, air quality is projected to improve since it will alleviate heavy traffic congestion at these intersections. It is anticipated that, with the implementation of the proposed Grand Avenue widening, CO emissions will be reduced with respect to the No Project Alternative although the amount of this emission reduction can not be quantified. In summary, the proposed Grand Avenue widening under Alternative 2 would beneficially affect regional air quality. Impacts Related to Consistency with SCAG Air Quality Policies The SCAG air quality policies, from the Regional Comprehensive Plan and Guide, were shown earlier in Table 3.4-4. Alternative 2 was evaluated for consistency with each of these policies. As shown in Table 3.4-4, Alternative 2 is consistent with policy 5.11. Policy 5.07 was determined not to apply to this proposed project. Therefore, Alternative 2 will not result in adverse impacts related to SCAG air quality policies. 3.4.5 MITIGATION RELATED TO AIR QUALITY As discussed above, Alternatives 1 and 2 and the No Project Alternative will not result in adverse impacts related to air quality and the SCAG air quality policies. No mitigation is required. F: IPROJ-ENVIGrand eirlNew Text- GrandlSection 3 SpIMSection 3.4.doc Page 3.4-14 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Mitigation measures G-3 and G-4, discussed earlier in Section 2.4 (Geology Impacts Found Not to be Significant) would reduce dust emissions during construction. No further mitigation is required. 3.4.6 LEVEL OF SIGNIFICANCE AFTER MITIGATION RELATED TO AIR QUALITY Alternatives 1 and 2 will not result in adverse impacts related to air quality or to SCAG air quality policies. F': WRUJ-E'NVIGrand eirWew Text- GrandlSection 3 SplitlSection 3.4.doc Page 3.4-15 Grand Avenue Widening Project Environmental Impact Report Section 3.0 3.5 TRANSPORTATION Based on the findings of the IS, the proposed Grand Avenue widening may or would result in potentially significant adverse transportation impacts specifically related to parking. The analysis in the following sections focuses on the existing conditions in the study area, the analysis methodology, thresholds of significance, the potential impacts of the Grand Avenue widening alternatives related to overall traffic and circulation operations and parking, and mitigation as needed. The potential traffic impacts of the proposed Grand Avenue widening were evaluated in the Grand Avenue Widening Project Traffic Study (P&D Consultants, Inc., June 2001). The findings of this Traffic Study are summarized in the following sections. The complete Traffic Study is provided in Appendix F in this EIR. 3.5.1 EXISTING SETTING RELATED TO TRANSPORTATION An inventory of existing conditions on the project segment of Grand Avenue was conducted to identify the number of existing through travel lanes, intersection lane geometry, traffic control devices and existing traffic volumes, as described in the following sections. Existing Travel Lanes and Traffic Control Devices Grand Avenue is currently a four lane, north -south facility between First Street and Santa Ana Boulevard. Between Santa Ana Boulevard and Seventeenth Street, there are currently six through lanes provided. Grand Avenue is classified as a Major Arterial in the Master Plan of Streets and Highways (MPSH) which is part of the City of Santa Ana General Plan Circulation Element. This classification is consistent with the Master Plan of Arterial Highways (MPAH) adopted by the Orange County Transportation Authority (OCTA). Seven of the thirteen intersections on Grand Avenue between First and Seventeenth Streets are signalized. The remainder are controlled by stop signs on the minor street. approaches. Figure 3.5-1 shows the existing lane geometry at each signalized intersection on the project segment of Grand Avenue. Existing Traffic Volumes P&D Consultants conducted 24-hour machine tube counts at selected midblock locations along Grand Avenue and morning and afternoon peak hour intersection traffic counts at the study intersections in April 2001. Figure 3.4-2 shows the existing daily traffic volumes on the project segment of Grand Avenue. As shown, the midblock daily traffic volumes are 25,900 vehicles per day (vpd) south of Seventeenth Street, 32,000 vpd between Fruit Street and the Orange County Register driveway, and 30,300 vpd between Fourth and First Streets. F: WROJ-ENPIGrand eirlNew Text - GrandlSection 3 SplitlSection 3.5.doc Page 3.5-1 11 7 Seventeenth St. �y Fifteenth St. .� �• ���� I F 0 ) Fourteenth St. .0 y I.5 NB Ramps ao oL Santa Ana Blvd. ® A00I.5 HOV Ramps 0 Stafford St. Fruit St. ® 4 o' m . O.C. Register Driveway L 0 o Sixth St. d LL z `T Fourth St. o Traffic Signal Third St. o X41 .� •I Stop Sign a a1 IIIII 4� F Free Right seeondStl •1 �iiy OL Overlap Phase L o EXISTING SETTING WIN P&D Consultants @RAND AVENUE WIDENING El Seventeenth St. 25,900 vpd 1.5 NS Ramps a 06 -as ca Santa Ana Blvd. 1.5 HOV Ramps Fruit St. 32,000 vpd O.C. Register Driveway Sixth St. Fourth St. `T vpd=Vehicles per day 30,300 vpd First St. Source: P&D Traffic Counts, 2009 FMW Source: City of Santa Ana 2001 EXISTING DAILY TRAFFIC VOLUMES P&DCZWtants GRAND AVENUE WIDENING E I R Grand Avenue Widening Project Environmental Impact Report Section 3.0 Figures 3.5-3 and 3.5-4 show the existing intersection turning volumes for the seven signalized intersections on the project segment of Grand Avenue, for the AM and PM peak hours, respectively. The busiest intersection is Seventeenth Street with approximately 9,500 and 10,300 vehicles traversing this intersection in the AM and PM peak hours, respectively. Approximately 8,200 and 10,200 vehicles traverse the Fourth Street intersection during the AM and PM peak hours, respectively. In general, these data indicate that peak hour volumes on the project segment of Grand Avenue are generally heavier in the afternoon than in the morning. Existing Levels of Service (LOS) Table 3.5-1 summarizes the existing LOS for the three midblock locations on the project segment of Grand Avenue. As shown, based on the daily volume/capacity ratios, all study roadway sections currently operate at LOS D or better. Refer to Section 3.5.3 (Methodology Related to Transportation) for a detailed explanation of LOS. TABLE 3.5-1 ROAD LEVEL OF SERVICE SUMMARY FOR EXISTING CONDITIONS Road Section Daily V/C LOS Grand Avenue: ICU LOS South of Seventeenth Street 0.46 A South of Fruit Street 0.85 D North of First Street 0.81 D Table 3.5-2 summarizes the existing intersection capacity utilization (ICU) values and corresponding LOS for the seven signalized intersections on the project segment of Grand Avenue. As shown, based on the ICU analysis using existing AM and PM peak hour turning volumes and existing intersection lane geometry, all seven intersections operate at acceptable LOS during the AM peak hour. However, the Fourth Street intersection operates at LOS E during the PM peak hour. The ICU worksheets used in the analysis are provided in Appendix A of the Traffic Study. TABLE 3.5-2 INTERSECTION LEVEL OF SERVICE SUMMARY FOR EXISTING CONDITIONS Intersection AM Peak Hour PM Peak Hour ICU LOS ICU LOS Seventeenth Street 0.78 C 0.80 C I-5 Northbound Ramps 0.59 A 0.61 B Santa Ana Boulevard/1-5 HOV Ramps 0.59 A 0.76 C Fruit Street 0.56 A 0.75 C O.C. Register Driveway 0.49 A 0.55 A Fourth Street 0.83 D 0.97 E First Street 0.59 A 0.71 C F: IPROJ-ENMGrand eirlNew Text - GrandlSection 3 SplitlSection 3.5.doe Page 3.5-4 Source: City of Santa Ana EXISTING AM PEAK HOUR VOLUMES P&DConsultants GRAND AVENUE WIDENING EIR m 122 t— 769 Seventeenth St. • ♦ Y 7 f" 266 0 ®Tr 129 —,' 823—). 196 89aN N m N 76 �— 713 s Nm n .- ti • 1-S NB Ramps a • O N a o�� �28 .,0 (— 132 E' ♦ �T24 (7153 oo Santa Ana Blvd. ® I-S HOV Ramps 413 m h y 0 26 Fruit St. ® 844 p 43 mnc`v 0 8 y y3 ® O.C. Register Driveway 0 Sixth St. o 123 532 135 jo Fourth St. °n • �mmn �59 o Traffic Signal I E— 474 ,- 270 sz �' First St. • Akww000 azo--> Source: P&D Traffic Counts, 2001 Source: City of Santa Ana EXISTING AM PEAK HOUR VOLUMES P&DConsultants GRAND AVENUE WIDENING EIR Source: City of Santa Ana EXISTING PM PEAK HOUR VOLUMES PON P&DConsultants GRAND AVENUE WIDENING EIR n $ m 368 t— 997 160 Seventeenth St. • 7 • o zze �� 968 —) 143 v 262 ;::;5;7 :357 `i 6 I I om ww N w ti • I.5 NB Ramps > • CQ T4*. Santa Ana Blvd. • 1-5 HOV Ramps 0 Tmn 236 _ 1 �— 25 `J 4 Fruit St. 136 0 83 cQio� v a oN �64 za `r Register Driveway • O�� C 3. (� Sixth St. ® o I N m w 227 —1248 C-262 2 Fourth St. • 233 ICY ® o —; 159 moa 629LME `T • 128 698 Wq�—t o —,84 Traffic Signal 19 First St. • 591 0 Source: City of Santa Ana EXISTING PM PEAK HOUR VOLUMES PON P&DConsultants GRAND AVENUE WIDENING EIR Grand Avenue Widening Project Environmental Impact Report Section 3.0 Planned Improvements The City of Santa Ana MPSH designates Grand Avenue as a Major Arterial throughout its entire length, consistent with the OCTA MPAH designation for this segment of Grand Avenue. Grand Avenue is also classified for Class II bike lanes in the City of Santa Ana Bikeway Master Plan. A Class II bikeway provides a striped bike lane for one way travel in the street right-of-way. In the vicinity of the study area, Seventeenth and First Streets are also classified as Major Arterials. Santa Ana Boulevard and Fourth Street are designated as Primary Arterials. Existing Conditions Related to Parkin On street parking is not currently provided on the project segment of Grand Avenue. Off street parking is provided by the existing residential and commercial uses adjacent to the project segment of Grand Avenue. City policy generally does not allow on street parking on arterials. 3.5.2 THRESHOLDS OF SIGNIFICANCE RELATED TO TRANSPORTATION A project will normally have a significant impact related to transportation and circulation if it will cause an increase in traffic which is substantial in relation to the existing traffic load and capacity of the street system. In addition, the General Plan Circulation Element establishes LOS D or better as the desired LOS for major intersections in the City. Therefore, if the proposed Grand Avenue widening causes the LOS at any intersection to be LOS E or worse, then the project would result in a significant adverse impact related to transportation and circulation. 3.5.3 METHODOLOGY RELATED TO TRANSPORTATION Methodology Related to Surface Transportation The traffic study for the proposed widening of the project segment of Grand Avenue analyzed traffic operations at seven intersection operations under the following scenarios: 2001 Existing Conditions 2020 No Project Alternative 2020 Build Alterative The LOS concept was developed to evaluate the operating conditions of components of a transportation circulation system. The Highway Capacity Manual (Transportation Research Board, Highway Capacity Manual, Special Report 209, Third Edition, Updated December 1997). defines LOS as a qualitative measure which describes operational conditions within a traffic stream, generally in terms of such factors as speed and travel time, freedom to maneuver, traffic interruptions, comfort and convenience. LOS is rated from A to F, with LOS A representing the best operating conditions and LOS F representing the worst. Specific criteria are used to define LOS for different types of facilities as discussed below. F: IPROJ-ENVIGrand eirWew Text - GrandlSection 3 SplitlSection 3.5.doc Page 3.5-7 Grand Avenue Widening Project Environmental Impact Report Section 3.0 LOS Criteria for Road Segments For planning purposes, the City of Santa Ana has established the maximum road. capacity corresponding to different LOS designations based on road classifications, as shown in Table 3.5- 3. TABLE 3.5-3 MAXIMUM AVERAGE DAILY TRAFFIC FOR ARTERIAL ROADS Street Classification Lane Configuration LOS A LOS B LOS C LOS D LOS E LOS F Principal Arterial 8 Lanes Divided 45,000 52,500 60,000 67,500 75,000 > 75,000 Major Arterial 6 Lanes Divided 33,900 39,400 45,000 50,600 56,300 > 56,300 Primary Arterial 4 Lanes Divided 22,500 26,300 30,000 33,800 37,500 > 37,500 Secondary Arterial 4 Lanes Undivided 15,000 17,500 20,000 22,500 25,000 > 25,000 Commuter Street 1 2 Lanes Undivided_A 7,500 18,800 10,000 11,300 12,500 > 12,500 Source: City of Santa Ana, General Plan - Circulation Element, 1998. In this study, LOS for road segments was calculated by comparing traffic volumes to the LOS E capacity. This comparison yields a volume -to -capacity (V/C) ratio .from which the LOS is determined. LOS Criteria for Signalized Intersection Intersection operations were analyzed using the Intersection Capacity Utilization (ICU) method. ICU is a quantitative ratio which compares intersection volume with capacity. Based on the ICU, intersection performance is described using LOS designations as shown in Table 3.5-4. LOS A represents relatively light traffic conditions with minimum delay. LOS F represents heavy congestion with long queues and excessive delays. For this study, LOS D or better was considered to be the acceptable service level for peals hour conditions on the project segment of Grand Avenue. This is consistent with the City of Santa Ana's Circulation Element which establishes LOS D or better on major intersections in the City. The ICU analysis for this study used standard parameters currently followed by the City of Santa Ana. These standard parameters include default saturation flow rates (the maximum number of vehicles that can pass through a lane per hour of green time at a signalized intersection), and clearance interval (a percentage of the overall intersection capacity utilized by vehicles to clear the intersection during the amber or yellow signal), Default saturation flow rates of 1,600 vehicles per hour per lane (vphpl) for turn lanes and 1,700 vphpl for through lanes were used in the analysis. A value of 1,600 vphpl was also used to determine the ICU value for free right turn lanes; however, this ICU value was not included in the overall total for the intersection. Finally, a clearance interval of five percent was used for all intersections. F: IPROJ-ENMGrand eirWew Text - GrandWection 3 SplWSection 3.5.doc Page 3.5-8 Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.5-4 LEVEL OF SERVICE CRITERIA FOR SIGNALIZED INTERSECTIONS LOS Description ICU A Very low delay. Most vehicles do not stop at the intersection. 0.00 to 0.60 B More vehicles stop than with LOS A, causing higher delays. 0.61 to 0.70 C The number of vehicles stopping becomes significant, though many 0.71 to 0.80 still pass through the intersection without stopping. D The influence of congestion becomes more noticeable. Many vehicles 0.81 to 0.90 stop and the proportion of vehicles not stopping declines. E Results in delay considered to be unacceptable. 0.91 to 1.00 F Considered unacceptable to most drivers, often occurs with Above 1.00 oversaturation, when arriving traffic exceeds the capacity at the intersection. Source: City of Santa Ana, General Plan - Circulation Element (1998). Methodology Related to On Street Parking The availability of on street parking and City policy regarding on street parking on arterials were reviewed. Impacts on off street parking were considered earlier in Section 3.2 (Land Use and Planning) related to the acquisition of property for the proposed widening of Grand Avenue. Specifically, during the land acquisition process, the City will assess whether the removal of off street parking from individual parcels and land uses results in non -conforming uses. Mitigation is provided in Section 3.2 (Land Use and Planning) related to the acquisition of right-of-way, including parcels which become non -conforming as a result of the removal of off street parking. Methodology Related to SCAG Transportation Policies SCAG identified a number of transportation policies in the growth management chapter of the Regional Comprehensive Plan and Guide and in the Mobility Element. The proposed Grand Avenue widening alternatives were evaluated for consistency with these transportation policies. 3.5.4 IMPACTS RELATED TO TRANSPORTATION Future year traffic forecasts were developed using a citywide computerized travel demand forecasting model. Future total daily traffic volumes and AM and PM peak hour intersection turning movements were provided by the City of Santa Ana for use in this analysis. These forecasts assume completion of transportation improvements in the City's seven year Capital Improvement Program and other improvements in Orange County which are ongoing or programmed for implementation by 2020. F.IPROJ-ENPIGrand eirWew Text- GrandlSection 3 SplitlSection 3.5.doc Page 3.5-9 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Impacts of Alternative 1 Related to Trans ov rtation Potential Traffic Impacts Under Alternative 1 Future Travel Lanes and Traffic Control Devices. Two future scenarios were analyzed for the 2020 horizon year: a build scenario and the No Project Alternative. The 2020 No Project Alternative assumes completion of all ongoing and programmed transportation improvements, without the proposed widening on the project segment of Grand Avenue. The intersection geometry assumed for the 2020 No Project Alternative is the same as the existing intersection geometry for the project segment of Grand Avenue, as shown previously in Figure 3.5-1. The 2020 build scenario assumes the proposed improvements on Grand Avenue are in place by 2020. Under the 2020 build scenario, two alternatives were considered. Both alternatives provide for widening Grand Avenue to six lanes. Alternative 1 provides the widening in a 100 foot wide right-of-way. Alternative 2 provides the widening in a 120 foot wide right-of-way. The additional 20 feet of right-of-way under Alternative 2 provides for an expanded landscaped median and bicycle lanes consistent with the City of Santa Ana Master Plan of Bikeways. The proposed intersection lane configurations under both alternatives are the same. Alternatives 1 and 2 would provide comparable capacity on the project segment of Grand Avenue. Therefore, the LOS analysis for the 2020 build scenario is considered applicable to both alternatives. Figure 3.5-5 shows the assumed intersection geometry under the 2020 build alternatives, reflecting the widened approaches on Grand Avenue. To accommodate the proposed widening, the exclusive right tum lanes on the northbound and southbound approaches of majority of the study intersections would be converted to shared through/right turn lane. In addition to the increase through lanes on Grand Avenue, there are significant improvements to the intersection geometry at First and Seventeenth Streets. At First Street, additional left turn lanes, to provide dual left turn lanes, are provided on the northbound and southbound approaches. Exclusive right tum lanes are provided on the eastbound and northbound approaches. At Seventeenth Street, an exclusive right turn lane is added to the northbound and westbound approaches, and left turn lanes are added to the northbound and southbound approaches, to provide dual left turn lanes on Grand Avenue at this intersection. Future Traffic Volumes. The 2020 traffic volumes used in this study are based on 2020 traffic forecasts prepared by PBQ&D for the Santa Ana Couplet Study, which generated turning volumes at four of the seven study intersections (at Seventeenth Street, I-5 northbound ramps, Santa Ana Boulevard/I-5 high occupancy vehicle (HOV) ramps and First Street). These forecasts were adjusted to ensure consistent traffic volumes between intersections. The traffic forecasts showed an overall traffic growth rate of approximately one percent per year in the City of Santa Ana. This rate was used to develop peak hour traffic forecasts for the remainder of the study intersections (at Fruit Street, Orange County Register driveway and Fourth Street), and daily traffic volumes for midblock locations. F:IPROJ-ENVIGrand eirWew Text- GrandlSection 3 Sp1itlSection 3.5.doc Page 3.5-10 Seventeenth St. I B F d 1-5 NB Ramps OL C � �S c� Santa Ana Blvd. I.5 HOV Ramps0*00 �. C L 4 tFruit St. x eA 3 O.C. Register Driveway q p� Sixth St. `T Fourth St. o Traffic Signal •I Stop Sign I F Free Right y�1� OL Overlap Phase First St. —� ASSUMED 2020 INTERSECTION GEOMETRY P&DConsultants GRAND AVENUE WIDENING El Grand Avenue Widening Project Environmental Impact Report Section 3.0 Figure 3.5-6 shows the projected 2020 daily traffic volumes on the project segment of Grand Avenue. As shown, the daily midblock volumes range from 31,300 vpd south of Seventeenth Street to 38,000 south of Fruit Street, and 36,600 vpd north of First Street. The 2020 AM and PM peak hour intersection turning volumes are shown in Figures 3.5-7 and 3.5-8, respectively. LOS Analysis. Analysis of future conditions was conducted to determine roadway and intersection operating efficiency as reflected by the LOS measures. Table 3.5-5 summarizes the future LOS for the three midblock locations on the project segment of Grand Avenue under the No Project Alternative and the Build scenario. As shown, the road segments between First and Fruit Streets would operate at LOS E or F in 2020 under the No Project Alternative. Under the Build scenario, these segments would operate at LOS B. The segment south of Seventeenth Street, which already provides six through lanes, would operate at LOS A under both the No Project Alternative and Build scenario. Table 3.5-6 shows the peak hour ICU and LOS values for the No Project Alternative and the Build scenario. As shown, under the 2020 No Project Alternative, unacceptable levels of service at LOS E or F, will occur at the following intersections during at least one of the peak hours: • Seventeenth Street • I-5 northbound ramps • Fourth Street TABLE 3.5-5 2020 ROAD LEVEL OF SERVICE SUMMARY Road Section NO PROJECT ALTERNATIVE BUILD ALTERNATIVE V/C LOS V/C LOS Grand Avenue: PM Peak Hour AM Peak Hour PM Peak Hour Intersection South of Seventeenth Street 0.56 A 0.56 A South of Fruit Street 1.01 F 0.67 B North of First Street 0.98 E 0.65 B TABLE 3.5-6 2020 INTERSECTION LEVEL OF SERVICE SUMMARY R- PROD-ENVIGrand eirWew Text - GrandlSection 3 Split&ction 3.5.doc Page 3.5-12 NO PROJECT ALTERNATIVE BUILD ALTERNATIVE AM Peak Hour PM Peak Hour AM Peak Hour PM Peak Hour Intersection ICU LOS ICU LOS ICU LOS ICU LOS Seventeenth Street 0.77 C 1.10 F 0.65 B 0.91 D I-5 northbound ramps 0.64 B 0.98 E 0.64 B 0.79 C Santa Ana Blvd./I-5 HOV ramps 0.73 C 0.89 D 0.73 C 0.74 F Fruit Street 0.59 A 0.79 C 0.49 A 0.65 B OrangeCounty Register Driveway 0.45 A 0.45 A 0.32 A 0.35 A Fourth Street 0.89 D 0.93 E 0.74 C 0.88 D First Street 0.84 D 0.85 D 0.78 C 0.72 C R- PROD-ENVIGrand eirWew Text - GrandlSection 3 Split&ction 3.5.doc Page 3.5-12 Seventeenth St. 31,300 vpd y I-5 NB Ramps 4 M C D Santa Ana Blvd. 1-5 HOV Ramps Fruit St. 3$,000 vpd O.C. Register Driveway Sixth St. Fourth St. vpd=Vehicles per day 36,600 vpd First St. Source: City of Santa Ana 2020 DAILY TRAFFIC VOLUMES PFM ,P&DConsultants GRAND AVENUE WIDENING EIR Source: City of Santa Ana 2020 AM PEAK HOUR VOLUMES P&DConsultants GRAND AVENUE WIDENING EIR �o� 161 t-- 1146 363 Seventeenth St. • 7 f— °0 172 644 I 904 M� a e206 46 l� 4i • 1.5 NB Ramps O `ui�i o 45 136 �J 26 o s 766 —a Santa Ana Blvd. ® 1-5 MOV Ramps z ,+ m ^ N 0 31 J77 Fruit sf. ® O N N O 0 m m 10 �-10 y �3 Je0• O.C. Register Driveway 0 sixth St. m v 149 F— 643 163 f— 2 Fourth St. • 196—, 1T 129 �Sm •o Traffic Signal A�R First St. • O Source: City of Santa Ana 2020 AM PEAK HOUR VOLUMES P&DConsultants GRAND AVENUE WIDENING EIR o Traffic Signal Source: City of Santa Ana Sixth St. 1 Fourth St. First St. O.C. Register Driveway w n X274 �- 322 —1588 ,tJ �— 154- ly 326 Seventeenth St. E/ y 7 T • O 350--a 261 m 1593—e c 87��� m y l.' IE T pr N W I ma y •A& I -S NB Ramps > Qi • O �mm 797 _24 184 5 (' 768 T Santa Ana Blvd. ® I -S HOV Ramps 24s N 0 m n va 285 ` I I y I �30 Fruit St. ® 664—l'4 T 0 06 o Traffic Signal Source: City of Santa Ana Sixth St. 1 Fourth St. First St. O.C. Register Driveway w n X274 j —1588 ,tJ 317 2 281 T 760 192 o N 261 m 2020 PM PEAK HOUR VOLUMES rem P&DCOnsultants GRAND AVENUE WIDENING EIR <--1078 f-168 7 2 T 15222 —)• 261 m 2020 PM PEAK HOUR VOLUMES rem P&DCOnsultants GRAND AVENUE WIDENING EIR Grand Avenue Widening Project Environmental Impact Report Section 3.0 Under the 2020 Build scenario, the majority of intersections are forecasted to operate at LOS D or better with the exception of the Santa Ana Boulevard/I-5 HQV Ramps intersection which would operate at LOS F in the PM peak hour. This is primarily due to the reduction of the existing dual right turn lanes to a single right turn lane in order to provide a third southbound through lane through the intersection. Impacts of Alternative 1 Related to On Street Parking There is no on street parking on the project segment of Grand Avenue. Therefore, Alternative 1 will not result in impacts related to on street parking. No mitigation is required. Impacts of Alternative 1 Related to Consistency with SCAG Transportation Policies The SCAG transportation policies, from the Regional Comprehensive Plan and Guide and the Regional Mobility Element, are listed in Table 3.5-7. Alternative 1 was evaluated for consistency with each of these policies. As shown in Table 3.5-7, Alternative 1 is consistent with each policy, except for certain policies determined not to apply to this proposed project. Therefore, Alternative 1 will not result in adverse impacts related to SCAG transportation policies. Impacts of Alternative 2 Related to Transportation and Circulation Potential Traffic Impacts Under Alternative 2 Future Travel Lanes and Traffic Control Devices. The 2020 build scenario assumes the proposed improvements on Grand Avenue are in place by 2020. Under the 2020 build scenario, Alternative 2 is expected to perform the same as Alternative 1. Figure 3.5-5, provided earlier, shows the assumed 2020 intersection geometry under Alternative 2, reflecting the widened approaches on Grand Avenue. Future Traffic Volumes. Figure 3.5-6, provided earlier, shows the projected 2020 daily traffic volumes on the project segment of Grand Avenue under Alternatives 1 and 2. The daily midblock traffic volumes will range from 31,300 vpd south of Seventeenth Street to 36,600 vpd north of First Street. The 2020 AM and PM peak hour intersection turning volumes under Alternative 2 were shown earlier in Figures 3.5-7 and 3.5-8, respectively. LOS Analysis Results. Tables 3.5-5 and 3.5-6 provided earlier, shows the peak hour ICU and LOS values for the No Project Alternative and Alternative 2. 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Grand Avenue Widening Project Environmental Impact Report Section 3.0 Under Alternative 2 in 2020, the majority of intersections on the project segment of Grand Avenue are forecasted to operate at LOS D or better, with the exception of the Santa Ana Boulevard/I-5 HOV Ramps intersection which would operate at LOS F in the PM peak hour. This is primarily due to the reduction of the existing dual right tum lanes to a single right tum lane in order to provide a third southbound through lane through the intersection. Impacts of Alternative 2 Related to On Street Parking There is no on street parking on the project segment of Grand Avenue. Therefore, Alternative 2 will not result in impacts related to on street parking. No mitigation is required. Impacts of Alternative 2 Related to Consistency with SCAG Transportation Policies The SCAG transportation policies, from the Regional Comprehensive Plan and Guide and the Regional Mobility Plan, were shown earlier in Table 3.5-7. Alternative 2 was evaluated for consistency with these policies. As shown in Table 3.5-7, Alternative 2 is consistent with each policy, except for certain policies determined not to apply to this proposed project. Therefore, Alternative 2 will not result in adverse impacts related to SCAG transportation policies. 3.5.5 IMPACTS RELATED TO ACCESS DURING CONSTRUCTION Construction of Alternatives 1 and 2 would impact access to existing businesses and residents along Grand Avenue during each phase of construction. These impacts could occur as a result of construction activities or equipment at the property access point or traffic control inhibiting access. However, these impacts would be short term because they would only last for the duration of the construction of that particular phase of the project. Construction impacts to access are generally characterized as more of a `nuisance" aspect of a project because it is inconvenient not to have readily available vehicular access to adjacent residential and commercial uses. Therefore, implementation of Alternatives 1 and 2 would result in temporary impacts to access which could be significant and would require mitigation. 3.5.6 MITIGATION RELATED TO TRANSPORTATION Based on the analysis included in the Traffic Study, substantial improvements in traffic operations will result on the project segment of Grand Avenue, if the proposed widening project is implemented. As discussed earlier, Alternatives 1 and 2 would result in substandard LOS at the Santa Ana Boulevard/I-5 HOV ramps intersection during the PM peak hour in 2020. The Traffic Study recommends the retention of the dual right turn lane with overlap phasing to mitigate this impact. However, due to the constraints .of the I-5 bridge over Grand Avenue, there is not enough right-of-way to have three through lanes and dual right turn lanes. Further, the City carefully analyzed both options and concluded that more congestion would be created upstream by reducing the number of through lanes from three to two. Additionally, one of the defined objectives for this project is to provide three through lanes in each direction on Grand Avenue which is consistent with the General Plan Circulation Element and the County Master Plan of Arterial Highways. Therefore, this is a significant adverse impact that cannot feasibly be mitigated. F: TROJ-ENMGrand eirWew Text - Gran&Section 3 Split&ction 3.5.doe Page 3.5-22 Grand Avenue Widening Project Environmental Impact Report Section 3.0 At Seventeenth Street, an exclusive right turn lane would be required on the westbound approach to achieve LOS D. This improvement would require additional widening on the north side of Seventeenth Street east of Grand Avenue. This improvement has been included in the proposed project. The additional properties for the right-of-way have been accounted for in the total parcels affected by the proposed project. Alternatives 1 and 2 will not result in adverse impacts related to on street parking and SCAG transportation policies. No mitigation is required. 3.5.7 MITIGATION RELATED TO ACCESS The following mitigation measures address the significant temporary adverse access impacts for Alternatives 1 and 2 as discussed in Section 3.5.5 (Impacts Related To Access During Construction). T-1 Prior to initiating construction on the selected widening alternative for each construction phase and segment of Grand Avenue, the City of Santa Ana will ensure that the project contractor prepares traffic detour plans and construction truck access routes for that phase of project construction. The plans will provide details to ensure access to existing developments along the project roadway segments and provide traffic control in the project area(s) during construction activities for each construction phase. The City of Santa Ana will work with local businesses affected by the road widening project to ensure that the businesses will be able to operate while road widening construction activities are underway. The City of Santa Ana will review and approve the contractor's detour plans and truck access routes. T-2 Prior to commencing construction for individual segments of Grand Avenue, The City of Santa Ana Public Works Agency and the project contractor will meet with representatives from businesses on each project segment to identify individual business access needs during construction. The defined access routes and entries to individual sites will be clearly shown on all construction plans. T-3 The City of Santa Ana will provide signs that indicate the project construction limits, access routes, alternative routes, detour routes and entries to individual business sites for each project segment and phase. 3.5.8 LEVEL OF SIGNIFICANCE AFTER MITIGATION RELATED TO TRANSPORTATION AND ACCESS The proposed widening of Grand Avenue under Alternatives 1 and 2 will largely result in beneficial effects on traffic operations on the project segment of Grand Avenue. However, implementation of either alternative will result in a significant avoidable adverse impact at the intersection of Grand Avenue and Santa Ana Boulevard at the southbound right turn lane in the PM peak hour in 2020. Alternatives 1 and 2 will not result in adverse impacts related to on street parking and SCAG transportation policies. F: TROJ-ENVAGrand eirWew Text - GrandlSection 3 Split&ction 3.5.doc Page 3.5-23 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Implementation of Mitigation Measures T-1, T-2 and T-3 would mitigate the temporary access impacts during each construction phase of Alternative 1 or 2 to below a level signficance. F: IPROJ-ENMGrand eirWew Text - GrandlSection 3 SplitlSection 3.5.doc Page 3.5-24 Grand Avenue Widening Project Environmental Impact Report Section 3.0 3.6 NOISE Based on the findings of the IS, the proposed Grand Avenue widening may or. would result in potentially significant adverse noise impacts, specifically related to long term increases in noise and the potential exposure of sensitive receptors to extreme noise levels. The analysis in the following sections focuses on the existing conditions in the study area, the analysis methodology, thresholds of significance, the potential noise impacts of the Grand Avenue widening alternatives related to increases in noise levels and sensitive receptors, and mitigation. The analysis of the potential noise impacts of the proposed Grand Avenue widening is documented in the Noise Assessment for Grand Avenue Widening EIR City of Santa Ana (BridgeNet Consulting Services, May 9, 2002). The findings of this technical analysis are summarized in the following sections. The complete noise technical report is included in Appendix G of this EIR. The noise study determined the existing noise levels local to the project site, predicted the noise levels that would exist with the proposed project and analyzed the noise impacts of the proposed road widening alternatives on adjacent noise sensitive land uses. These with -project noise levels were then compared with applicable City and State noise criteria and mitigation measures identified. 3.6.1 EXISTING SETTING RELATED TO NOISE Noise Definitions Sound is technically described in terms of the loudness (amplitude) of the sound and frequency (pitch) of the sound. The standard unit of measurement of the loudness of sound is the decibel (0). Decibels are based on the logarithmic scale. The logarithmic scale compresses the wide range in sound pressure levels to a more usable range of numbers in a manner similar to the Richter scale used to measure earthquakes. For example, in terms of human response to noise, a sound 10 dB higher than another is judged to be twice as loud and sound 20 dB higher is four times as loud. Everyday sounds normally range from 30 dB (very quiet) to 100 dB (very loud). Because the human ear is not equally sensitive to sound at all frequencies, a special frequency - dependent rating scale was developed to relate noise to human sensitivity. The A -weighted decibel scale (dBA) performs this compensation by discriminating against frequencies in a manner approximating the sensitivity of the human ear. Community noise levels are measured in terms of the A -weighted decibel (dBA). Table 3.6-1 provides examples of various noises and their typical A -weighted noise levels. Sound levels decrease as a function of distance from the source as a result of wave divergence, atmospheric absorption and ground attenuation. As the sound wave form travels away from the source, the sound energy is dispersed over a greater area, thereby dispersing the sound power of the wave. Atmospheric absorption also influences the sound levels received by the observer. The greater the distance traveled, the greater the influence and the resultant fluctuations. The degree of absorption is a function of the frequency of the sound as well as the humidity and temperature of the air. Turbulence and gradients of wind, temperature and humidity also play an important role in determining the degree of attenuation. In cases where receptors are far away from potential adverse noise sources, intervening topography can have a substantial effect on perceived noise levels. F.IPROJ-ENVIGrand eirlNew Text - GrandlSection 3 SplitlSection 3.6.doc Page 3.6-1 Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.6-1 TYPICAL A -WEIGHTED NOISE LEVELS dB(A) OVER-ALL LEVEL COMMUNITY HOME OR LOUDNESS Sound Pressure Level (Outdoor) INDUSTRY Human. Judgement re. To 0.0002 of Different Sound Microbars Levels 130 Military Jet Aircraft Take- Oxygen Torch (121) 120 dB(A) 32 Times UNCOMFORTABLY Off With After From as Loud LOUD Aircraft Carrier @ 50 Ft. (130 120 Turbo -Fan Aircraft @ Riveting Machine 110 dB(A) 16 Times 110 Take -Off @ 200 Ft. (90) (110) as Loud Rock -N -Roll Band 108-114 100 VERY Jet Flyover @ 1000 Ft. 100 dB(A) 8 Times LOUD (103) as Loud Boeing 707. DC -8 @ 6080 Ft. Before Landing (106) Bell J2A Helicopter @ 100 Ft. (100) 90 Power Mower (96) Newspaper Press 90 dB(A) 4 Times as Boeing 737, DC -9 @ 6080 (97) Loud Ft. Before Landing (97) Motorcycle @ 25 Ft.. (90) 80 Car Wash @ 20 Ft. (89) Food Blender (88) 80 dB(A) 2 Times as Prop. Airplane Flyover @ Milling Machine Loud 1000 Ft. (88) (85) Diesel Track, 40 MPH @ Garbage Disposal 50 Ft. (84) (80) Diesel Train, 45 MPH @ 100 Ft. 83 70 MODERATELY High Urban Ambient Sound Living Room Music 70 dB(A) 32 LOUD (80) (76) Passenger Car, 65 MPH @ TV -Audio, Vacuum 25 Ft. (77) Cleaner Freeway @ 50 Ft. From Pavement edge, 10 AM (76 t 6) 60 Air Conditioning Unit @ Cash Register @ 10 60 dB(A) %z as Loud 100 Ft. (60) ft. (65-70) Electric Typewriter @ 10 Ft. (64) Dishwasher (Rinse) @ 10 Ft. (60) Conversation (60) 50 QUIET Large Transformers @ 100 50 dB(A) '/4 as Ft. (50) 1 1 Loud SOURCE: Reproduced from Melville C. Branch and R. Dale Boland, Outdoor Noise in the Metropolitan Environment, Published by the City of Los Angeles, 1970. F: IPROJ-ENVIGrand eirWew Text - Grand&ction 3 SplitlSection 3.6.doc Page 3.6-2 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Noise has been defined as unwanted sound and it is known to have adverse effects on humans. From these known effects of noise, criteria have been established to help protect public health and safety and prevent disruption of certain human activities. These criteria are based on such known impacts of noise on humans such as hearing loss, speech interference, sleep interference, physiological responses and annoyance, as described below: Hearing Loss is not a concern in associated with surface transportation and roads. The potential for noise induced hearing loss is most commonly associated with occupational noise exposures in heavy industry or very noisy work environments. Noise levels in neighborhoods associated with roads and traffic are not sufficiently loud to cause hearing loss. Speech Interference is one of the primary concerns related to environmental noise. Normal conversational speech is in the range of 60 to 65 dBA and any noise in this range or louder may interfere with speech. There are specific methods of describing speech interference as a function of distance between the speaker and the listener and voice levels. Sleep Interference is a major noise concern associated with traffic noise. Sleep disturbance studies have identified interior noise levels that have the potential to cause sleep disturbance. Sleep disturbance does not necessarily mean awakening from sleep, but can refer to altering the pattern and stages of sleep. Physiological Responses are those measurable effects of noise on people which are realized as changes in pulse rate or blood pressure, for example. While such effects can be induced and observed, the extent to which these physiological responses cause harm or are sign of harm is not known. Annoyance is the most difficult of all noise responses to describe. Annoyance is a very individual characteristic and can vary widely from person to person. What one person considers tolerable can be quite unbearable to another of equal hearing capability. The public reaction to different noise levels varies from community to community. Extensive research has been conducted on humans' responses to exposure of different levels of noise through community response surveys. Community noise standards are derived from tradeoffs between community response surveys, such as this, and economic considerations for achieving these levels. Adjacent Land Uses An important part of this noise analysis was the identification of noise sensitive uses that may potentially be impacted by the proposed project. This would include residences, schools and other noise sensitive uses adjacent to the project segment of Grand Avenue or along other roads that may be affected by project -related traffic. In the case of the Grand Avenue widening, there are existing residential uses along the street alignment, both north and south of I-5. The noise sensitive uses adjacent to the project segment of Grand Avenue include single family residences, multiple family apartments, Frederick Remington Elementary School and Nuestra F.IPROJ-ENVIGrand eirWew Text- GrandlSection 3 SplitlSection 3.6.doc Page 3.6-3 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Senora de Guadelupe Church. There are single family residences on both sides of Grand Avenue between Seventeenth Street and I-5, on the west side of Grand Avenue between Fruit and Fourth Streets, and on the east side of Grand Avenue between Fourth and Third Streets. There are apartments at the east end of Washington Street just north of I-5. The Elementary School is on Fourth Street approximately 175 feet east of Grand Avenue and the Church is on the southeast corner of Grand Avenue and Third Street. Most of the existing noise sensitive uses which do not directly face Grand Avenue have some form of block wall or wood fence to protect exterior areas from noise and visual intrusions. These barriers range in height from four to seven feet. The single and multiple family residences on Grand Avenue between Fruit and Fourth Streets directly face Grand Avenue and currently have no form of exterior noise reduction. Therefore, these residences are currently directly impacted by existing traffic noise. However, the buildings themselves provide some noise reduction for the rear yards and outside areas associated with these residences. The front yards of single family residences are specifically not subject to the City's exterior noise standard although the rear yards are. The Grand Avenue project area is also influenced by noise from I-5. The noise level from 1-5 is partially mitigated by existing sound barriers at the. edge of the freeway pavement where I-5 is adjacent to residential uses. There is no wall on the freeway bridge over Grand Avenue. Existing Noise Environment The existing noise environment in the Grand Avenue project area was determined through a comprehensive noise measurement survey and computer modeling effort. Several locations adjacent to the Grand Avenue alignment and in surrounding areas were used as monitoring locations. These measurements were used to describe the existing noise setting in this area. The existing environment was modeled to establish a baseline noise level to which the proposed project was then compared. The major existing noise sources in the vicinity of the project segment of Grand Avenue are traffic on Grand Avenue and I-5. The Southern California Regional Rail Authority (SCCRA) operates a mainline track, used for freight and commuter operations, approximately 1,200 feet west of Grand Avenue. There are no other major existing noise sources in the vicinity of the project segment of Grand Avenue. Noise Measurement Survey A noise measurement survey was conducted between February 19 and 24, 1999, which included a total of 20 monitoring positions either at, or adjacent to, noise sensitive land uses along the Grand Avenue alignment as shown on Figure 3.6-1. Table 3.6-2 lists the specific location of each monitoring position and identifies the potentially noise sensitive land use at that location. The noise . measurements were conducted between 11 AM and 5 PM to depict various traffic conditions. The noise measurements were designed to determine ambient noise levels and to validate the project related findings from the Federal Highway Administration (FHWA) Highway Noise Model. The F.IPROJ-ENMGrand eirWew Text- GranWection 3 SphMection 3.6.doc Page 3.6-4 17th Street ................................ 16th street 3 2 14th street S a et 14th 0.00 9 Iwo staiiard St' Fratlt St Fruit street 10 1�1 12 13 Etta street 14 15 16 sbreel IT 18 I 3rd Street 19 xe stad met 1 t , LOCATIONS OF NOISE MONITORING POSITIONS ;8—Mnsultants GRAND AVENUE WIDENING EIR Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.6-2 LOCATIONS OF NOISE MONITORING POSITIONS Site Address Land Use Position 1 1301 15th Street Single Family At Property Line - 42' from Road centerline 2 1302 15th Street Single Family At Property Line - 42' from Road centerline 3 1264A 15th Street Single Family At Property Line - 69' from Road centerline 4 1301 14th Street Single Family At Pro e Line - 42' from Road centerline 5 1263 14th Street Single Family At Property Line - 50' from Road centerline 6 1306 14th Street Single Family At Property Line - 100' from Road centerline 7 1258 14th Street Single Family At Property Line - 100' from Road centerline 8 1311 Washington Place Apartments* At Property Line - 212' from Road centerline 9 1307 Eastwood Avenue Single Family At Property Line - 186' from Road centerline 10 902 Grand Avenue Office Building** At Property Line - 57' from Road centerline 11 742 Grand Avenue Single Farrdly At Property Line - 66' from Road centerline 12 714 Grand Avenue Single Family At Property Line - 75' from Road centerline 13 620 Grand Avenue Single Family At Property Line - 68' from Road centerline 14 1211 6th Street Apartments At Property Line - 70' from Road centerline 15 516 Grand Avenue Single Family At Property Line - 70' from Road centerline 16 504 Grand Avenue Single Family At Property Line - 68' from Road centerline 17 1317 4th Street Elementary School At Property Line - 205' from Road centerline 18 1314 4th Street Single Family At Property Line - 169' from Road centerline 19 1313 3rd Street Single Family At Property Line - 169' from Road centerline 20 1310 3rd Street Church At Property Line - 74' from Road centerline * Since the measurement survey, this noise sensitive land use and Washington Place have been removed. The measurement location has been included for noise modeling purposes. ** Although 902 Grand Avenue is not a noise sensitive land use, the measurement location has been included for noise modeling purposes. Source: BridgeNet Consulting Services (July 2001). P: IPROJ-ENMGrand eirlNew Text - Grand6Section 3 SplitlSection 3.6.doc Page 3.6-6 Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.6-3 EXISTING NOISE MEASUREMENTS Site Location Position 1 Date Time LEQ LmAx Lra Lso L90 LMRJ 1 1301 15th Street At PL 2-22-99 16:30 70.7 79.0 74.0 69.5 60.5 51.8 2 1302 15th Street At PL 2-22-99 16:13 71.8 91.0 73.5 69.5 63.0 54.9 3 1264A 15th Street At PL 2-19-99 16:19 67.9 77.1 71.0 66.0 60.5 53.7 4 1301 14th Street At PL 2-22-99 15:52 71.5 86.0 74.0 70.0 62.5 52.2 5 1263 14th Street At BF 2-22-99 14:38 69.3 84.6 72.0 67.5 62.5 57.9 6 1306 14th Street At PL 2-22-99 15:34 64.3 83.0 66.5 62.5 58.0 51.2 7 1258 14th Street At PL 2-22-99 14:21 64.1 79.0 66.5 62.5 58.5 54.5 8 1311 Washington Place At PL 2-22-99 14:58 64.5 70.2 65.5 64.0 62.5 60.7 9 1307 Eastwood Avenue At PL 2-24-99 15:46 62.9 70.2 64.0 62.5 60.5 57.7 10 902 Grand Avenue At BF 2-19-99 15:53 72.2 85.2 75.0 70.5 62.5 56.4 11 742 Grand Avenue At BF 2-19-99 15:35 70.2 80.1 73.0 69.0 60.0 54.1 12 714 Grand Avenue At BF 2-24-99 13:15 67.5 77.6 70.0 66.5 59.5 51.8 13 620 Grand Avenue At BF 2-24-99 12:50 67.3 79.1 70.5 65.6 57.0 50.2 14 1211 6th Street At BF 2-19-99 15:15 67.7 77.9 70.5 66.0 59.5 54.5 15 516 Grand Avenue At BF 2-19-99 14:57 66.7 80.6 69.0 65.0 57.5 51.2 16 504 Grand Avenue At BF 2-24-99 13:40 66.2 76.9 70.0 63.5 56.5 51.1 17 1317 4th Street At PL 2-24-99 12:22 64.6 74.1 67.5 62.5 60.0 57.2 18 1314 4th Street At PL 2-19-99 14:34 65.7 77.2 68.0 64.0 59.5 56.8 19 1313 3rd Street At PL 2-19-99 14:12 61.6 79.4 64.0 59.0 55.5 51.1 20 1310 3rd Street At BF 2-24-99 11:53 67.6 76.7 70.5 65.5 60.5 57.2 Source: BridgeNet Consulting Services (July 2001). (1) PL: At property line BF: At building face F.•IPROJ-ENMGrand eirlNew Text - GrandlSection 3 SplitlSection 3.6.doe Page 3.6-7 Grand Avenue Widening Project Environmental Impact Report Section 3.0 measurement locations were selected to represent the noise environment throughout the project area, and in areas where project related traffic changes might affect noise sensitive land uses. The noise monitors used for the measurement survey were Brael & Kjwr Type 2236 sound level meters. These analyzers meet the American National Standards Institute (ANSI) S 1.4 specification for a precision sound level meter. Briiel & Kjmr type 4188 %z -inch air condenser microphones were used. The measurement systems were calibrated before and after each measurement with a Briiel & Kjaer Type 4231 sound level calibrator with calibration traceable to the National Institute of Standards and Technology. The results of the noise measurement survey are shown in Table 3.6-3. The quantities measured were the Equivalent Noise Level (Leq), the maximum noise level (Lmax), the minimum noise level (Lorin) and the Percent Noise Levels (L%). Percent Noise Levels are one method of characterizing the dynamics of ambient noise. For example, L90 is the noise level exceeded 90 percent of the time and represents the background or quieter noise level, L50 is the level' exceeded 50 percent of the time and represents the average noise level, and L10 is the level exceeded 10 percent of the time and represents the peak or intrusive noise levels. The results of the survey, which represent existing noise levels from traffic on Grand Avenue, are described in the following paragraphs. The existing noise measurements and modeling were based on 1999 traffic volumes. The existing traffic volumes in 2002 are not expected to be substantially different than in 1999 because there have not been substantial changes in land use or the circulation system in the Grand Avenue area over this period of time. In addition, in general, for changes in traffic volumes to result in a significant change in noise levels (defined as an increase of 3 dB or more), traffic volumes would have to double over that period. Typically, a city such as the City of Santa Ana will experience an annual growth rate in traffic volumes of only a few percentage points for an area that is substantially built out like the Grand Avenue project area. If the traffic in this area had increased by a total of ten percent over the three year period (1999 to 2002), the increase in noise levels would be less than 0.5 dB, which is not significant. Therefore, the noise environment measured in 1999 is considered to be representative of the noise environment in the Grand Avenue study area in 2002. Existing Noise Exposure The results in Table 3.6-3 show that the existing noise sensitive uses directly adjacent to Grand Avenue are currently impacted by traffic noise. The residences most heavily affected are those on the east side of Grand Avenue between Seventeenth Street and the I-5 Freeway, and on the west side of Grand. Avenue between Fruit and Fourth Streets. As shown in Table 3.6-3, the residences on the east side of Grand Avenue between Seventeenth Street and the I-5 Freeway are exposed to significant noise levels during peak traffic hours. The rear yards of these residences have some mitigation in the form of existing walls or fences. The residences on Eastwood Avenue are further away from Grand Avenue, resulting in a lower noise exposure level for these residential uses. The residences on Eastwood Avenue and Fourteenth Street are also exposed to noise from traffic on I-5. F: IPROJ-ENMGrand eirlNew Text - GrandlSection 3 SplitlSection 3.6.doc Page 3.6-8 Grand Avenue Widening Project Environmental Impact Report Section 3.0 The front yards and the building faces of the single family residences on the west side of Grand Avenue between Fruit and Fourth Street are significantly impacted by traffic noise. The rear yards of these residences are sufficiently shielded from noise by the houses themselves. The residences east of Grand Avenue between Third and Fourth Streets are separated from the road by an existing vacant lot, and the increased distance of these units from Grand Avenue helps reduce their noise exposure. The rear yard of the residence on Fourth Street nearest to Grand Avenue is mitigated with a block wall 6.5 feet high, while the rear yard of the residence on Third Street nearest to Grand Avenue is mitigated with only a four -foot high wood fence. Existing Noise Contours Table 3.6-4 lists the 2001 ADT volumes for Grand Avenue and I-5, with the corresponding distances to the 60 dB, 65 dB and 70 dB Community Noise Equivalent Level (CNEL) contours. These values represent the distances from the centerline of the road to the contour values shown. The existing noise levels for Grand Avenue were and are shown on Figures 3.6-2 and 3.6-3 as lines, or contours, of equal noise level. Figure 3.6-2 shows the locations of the existing 60 dB, 65 dB and 70 dB CNEL contours for the segment of Grand Avenue between Seventeenth Street and Santa Ana Boulevard, and between Santa Ana Boulevard and Fourth Street. Figure 3.5-3 shows the locations of the existing 60 dB, 65 dB and 70 dB CNEL contours for the segment of Grand Avenue between Fourth and First Streets. These contours do not take into account the mitigating effect of any existing noise barriers or structures along the road. The noise sensitive land uses along Grand Avenue between Seventeenth Street and Santa Ana Boulevard are between 42 and 186 feet from the centerline of Grand Avenue. At these distances, the existing noise exposure levels in these areas range from 70.5 dB CNEL to 60.9 dB CNEL. The noise sensitive land uses between Santa Ana Boulevard and Fourth Street are between 57 and 205 feet from the centerline of Grand Avenue. At these distances, these areas are exposed to noise levels ranging from 69.5 dB CNEL to 61.1 dB CNEL. The noise sensitive land uses between Fourth and First Streets are between 74 and 171 feet from the centerline of Grand Avenue. At these distances, these areas are exposed to noise levels ranging from 67.5 dB CNEL to 62.1 dB CNEL. Railroad Noise The major commuter rail corridor connecting Santa Ana with Los Angeles and San Diego Counties is about 1,200 feet west of Grand Avenue. As a result, it was considered that this raih-oad may represent an existing source of significant levels of noise in this area. This line, which is owned and operated by the Southern California Regional Rail Authority (SORRA), currently accommodates Amtrak passenger trains conning from Los Angeles to San Diego, Metrolink commuter trains running from Los Angeles to Carlsbad, and freight trains running between San Diego and San Bernardino. F.WROJ-ENMGrand eirWew Text- Gran&Section 3 SpIRISection 3.6.doc Page 3.6-9 EXISTING NOISE CONTOURS ON GRAND AVENUE FROM SEVENTEENTH STREET TO FOURTEENTH STREET (db CNEL) P&DConsultants GRAND AVENUE WIDENING EIR 10 IT —60-65 `70 i 70, 65 60 Santa Ana Blvd. I � 100 feet EXISTING NOISE CONTOURS ON GRAND AVENUE FROM FOURTEENTH STREET TO SANTA ANA BOULEVARD (db CNEL) P&DConsultants GRAND AVENUE WIDENING EIR EXISTING NOISE CONTOURS ON GRAND AVENUE FROM SANTA ANA BOULEVARD TO FOURTH STREET NORTH HALF (db CNEL) P&DConsultants GRAND AVENUE WIDENING EIR i■i EXISTING NOISE CONTOURS ON GRAND AVENUE FROM SANTA ANA BOULEVARD TO FOURTH STREET SOUTH HALF (db CNEL) P&DConsultants GRAND AVENUE WIDENING EIIt EXISTING NOISE CONTOURS ON GRAND AVENUE FROM FOURTH STREET TO FIRST STREET (db CNEL) ' , P8&DConsWtants GRAND AVENUE WIDENING E I R Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.6-4 DISTANCES TO EXISTING NOISE CONTOURS Source: BridgeNet Consulting Services (July 2001). Currently, there are 35 daily Metrolink trains operating on this track. There are also currently 25 Amtrak trains which use the line each day. This line is also used for through and local freight operations which are scheduled around the current passenger and commuter trains. This line normally accommodates a couple through freight trains per day, and a local freight at least twice a day. The local freights are generally less than ten cars in length while the through freights are often 6,000 feet in length. These through freight trains can be operated anytime of the day or night depending on customer demand. Analysis was conducted recently regarding the possible expansion of the existing rail line through Santa Ana. The SCRRA prepared a Recirculated Draft E1R for the proposed Santa Ana Second Main Track Project (Myra L. Frank and Associates and Frederic R. Harris, Inc., 2002). That EIR indicated that if a second main line is constructed through the Cities of Santa Ana and Orange, the total number of trains using this line could increase to 105 trains per day. This operational data was used in conjunction with the Wyle Model to project existing train noise in the Grand Avenue project area. These results are shown in Table 3.6-5 and are expressed as distances from the railroad centerline to the 60, 65 and 70 dB contours. These projections are unmitigated railroad noise effects which do not include consideration of topography or barriers such as buildings or walls which would reduce these noise levels. The projected unmitigated noise level at homes on the west side of Grand Avenue associated with operations on the SCRRA track is 60 dB CNEL. Most of the east side of the railroad right of way, which is between the railroad track and Grand Avenue, is developed in commercial and industrial uses. These buildings provide a mitigating effect, reducing noise from railroad operations on land uses east of the tracks and these developed uses by at least 10 dB. Therefore, at the distance the project segment of Grand Avenue is from the railroad track and with consideration of the noise reduction effects based on distance and intervening structures, the projected mitigated noise levels from railroad operations are expected to be less than 50 dB CNEL and were determined to not significantly impact noise sensitive land uses in the Grand Avenue project area. Therefore, the existing and future railroad operations on this track were assumed not to contribute significantly to the noise environment in the Grand Avenue area. F: IPROJ-ENMGrand eirlNew Text - GrandlSection 3 Split0ection 3.6.doc Page 3.6-15 Distance to CNEL Contours ft. Roadway ADT 70 dB 65 dB 60 dB 2001 Grand Avenue F40 Seventeenth Street to Santa Ana 25,900 46 98 212 Boulevard 32,000 43 113 244 Santa Ana Boulevard to Fourth Street 30,300 51 109 235 Fourth Street to First Street I-5 Grand Avenue 1 236,000 65 461 993 2,138 Source: BridgeNet Consulting Services (July 2001). Currently, there are 35 daily Metrolink trains operating on this track. There are also currently 25 Amtrak trains which use the line each day. This line is also used for through and local freight operations which are scheduled around the current passenger and commuter trains. This line normally accommodates a couple through freight trains per day, and a local freight at least twice a day. The local freights are generally less than ten cars in length while the through freights are often 6,000 feet in length. These through freight trains can be operated anytime of the day or night depending on customer demand. Analysis was conducted recently regarding the possible expansion of the existing rail line through Santa Ana. The SCRRA prepared a Recirculated Draft E1R for the proposed Santa Ana Second Main Track Project (Myra L. Frank and Associates and Frederic R. Harris, Inc., 2002). That EIR indicated that if a second main line is constructed through the Cities of Santa Ana and Orange, the total number of trains using this line could increase to 105 trains per day. This operational data was used in conjunction with the Wyle Model to project existing train noise in the Grand Avenue project area. These results are shown in Table 3.6-5 and are expressed as distances from the railroad centerline to the 60, 65 and 70 dB contours. These projections are unmitigated railroad noise effects which do not include consideration of topography or barriers such as buildings or walls which would reduce these noise levels. The projected unmitigated noise level at homes on the west side of Grand Avenue associated with operations on the SCRRA track is 60 dB CNEL. Most of the east side of the railroad right of way, which is between the railroad track and Grand Avenue, is developed in commercial and industrial uses. These buildings provide a mitigating effect, reducing noise from railroad operations on land uses east of the tracks and these developed uses by at least 10 dB. Therefore, at the distance the project segment of Grand Avenue is from the railroad track and with consideration of the noise reduction effects based on distance and intervening structures, the projected mitigated noise levels from railroad operations are expected to be less than 50 dB CNEL and were determined to not significantly impact noise sensitive land uses in the Grand Avenue project area. Therefore, the existing and future railroad operations on this track were assumed not to contribute significantly to the noise environment in the Grand Avenue area. F: IPROJ-ENMGrand eirlNew Text - GrandlSection 3 Split0ection 3.6.doc Page 3.6-15 Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.6-5 PROJECTED UNMITIGATED RAILROAD NOISE LEVELS Source Distance to CNEL Contours ft 70 dB 65 dB60 dB Passenger and Freight Operations 315 600 1,150 Source: BridgeNet Consulting Services (May 2002). 3.6.2 THRESHOLDS OF SIGNIFICANCE RELATED TO NOISE City of Santa Ana Noise Criteria The Noise Element of the City of Santa Ana General Plan has established guidelines for acceptable community noise levels based on the CNEL rating scale. For residential uses, the noise levels in exterior living areas, defined as rear yards, patios and balconies, cannot exceed 65 dB CNEL. The interior noise levels attributable to exterior sources shall not exceed 45 dB CNEL in any habitable room. While there are no specific noise standards for schools, a common design goal for school classrooms is 45 dB CNEL. The State of California has also established guidelines for acceptable community noise levels based on the CNEL rating scale. These guidelines specify indoor and outdoor noise levels similar to those specified in the Noise Element, as shown in Figure 3.6-4. The specific noise level guidelines used to assess the compatibility of the proposed Grand Avenue widening project with the noise environment were: 65 CNEL exterior noise environment at existing residential uses. 45 CNEL for the interior noise environment at existing residential uses and school classrooms. Community Noise Assessment In community noise assessment, changes in noise levels greater than three dB are often identified as significant, while changes less than one dB will usually not be discernible. In the range of one to three dB, residents who are very sensitive to noise may perceive a slight change. There is no scientific evidence to support the use of three dB as a significance threshold. In laboratory testing situations, humans are able to detect noise level changes of slightly less than one dB. In a community noise situation, however, noise exposures are over a long time period and changes in noise levels occur over years, rather than the immediate comparison made in a laboratory situation. Therefore, the level at which changes in community noise levels become discernible is likely to be some value greater than one dB, and three dB appears to be appropriate for most people. As a result, a noise level change of at least 3 dBA was considered a significant increase for this noise analysis. Mitigation measures were required where the 65 dB CNEL exterior noise standard was exceeded. In the cases where there would be an increase of at least 3 dBA but the exterior noise standard was not exceeded, noise sensitive land uses already have exterior noise mitigation measures, i.e. block walls, in place. There were no instances where the interior noise standards were exceeded so no mitigation measures are necessary to address interior noise impacts. F:IPROJ-ENVIGrand eirWew Text- GrandlSection 3 SplitlSection 3.6.doc Page 3.6-16 Land Use Category Residential -Low Density Residential - Multiple Fan* Transient Lodging- Motels, Hotels Stimu, Librarian, Cho Ireh pitab, Nursing Hom srs Auditoduns, Concert Hags, Amptiithestre Sports Arena, Outdoor Pbygmunde, Nelgbborbood Parks Comtmtulty Noise Exposure Lda or CNEL, Golf Courson Riding Stabbs WaterRecreadou,Cetaemdea j Office Bulkilagv, Business Conumclai and Resideadal Industrial, Manufacturing Utilities ' Agriculture Source: State of California Noise Compatibility Guidelines Normally Acceptable Speebiod Land Use b SatE00my, Based Upon tie Assumption flus Any BWudiags Inv" amot Nomul Conventional Combrndbn, Without Auy Speabl NOW 11301140a Requirements, M Coadldonagy Atows b New Construction or lh"Upowm Sbouid be Undertaken Only Auer a fktaikd Aeab%b of the Nobe ReiucWnRequbtmem Is Made and Needed Was insulation Featasss fatluded In the bmdga Conventional Comtrxdon, bat with a"al Wiadows sail FreshAlrSnpply System or Air Cootdtbaing, WSI Noroaaysum". m Normally Usamptable New Coanmctlun er Bevalopnxat Swum Gtutrally bebutomitat ITNew Caetraedonor Mvclopuamt tbm Froeced, a bdaNea Aualiab 9T the Nobe Reduction Requirelnems Must be Made and Needed Nobe insulation Feature Tadadul In the Design. - Ck"Uuuaphhb New Cuanrattba ar Devekpuk at Should Generally not be Uadertak"L NOISE AND LAND USE COMPATIBILITY GUIDELINES P&DComultants GRAND AVENUE WIDENING El Grand Avenue Widening Project Environmental Impact Report Section 3.0 3.6.3 METHODOLOGY RELATED TO NOISE Noise Assessment Metrics Community noise is generally not steady state and varies with time. Under conditions of non -steady state noise, some type of statistical metric is necessary to quantify human response to noise. There are several rating scales for the analysis of adverse effects of community noise on people. They are designed, to account for the lmown effects of noise on people. Based on these effects, the observation has been made that the potential for a noise to impact people is dependent on the total acoustical energy content of the noise. A number of noise scales have been developed to account for this observation. The description, analysis and reporting of community noise levels around communities is made difficult by the complexity of human response to noise and the number of noise metrics that have been developed for describing noise impacts. Each metric attempts to quantify noise levels with respect to community response. Most metrics use the A -weighted noise level to quantify noise impacts on humans. A -weighting is a frequency correction that correlates the overall sound pressure levels with the frequency response of the human ear. Noise metrics can be divided into two categories: single event and cumulative. Single event metrics describe the noise levels from an individual event such as an aircraft flyover or perhaps a heavy equipment pass -by. Cumulative metrics average the total noise over a specific time period, which is typically 1 -hour or 24 -hours for community noise assessments. For the proposed Grand Avenue widening, cumulative noise metrics, described below, were used. Cumulative Noise Metrics There are several rating scales for the measurement of community noise. These rating scales account for the parameters of noise that have been shown to contribute to the effects of noise on humans; the variety of noises found in the environment; the variations in noise levels that occur as a person moves through the environment; and the variations associated with the time of day. They are designed to account for the known health effects of noise on humans described earlier. Based on these effects, the observation has been made that the potential for a noise to impact people is dependent on the total acoustical energy content of the noise. A number of noise scales have been developed to account for this observation. Two predominate noise scales are the Equivalent Noise Level (LEQ) and the CNEL, which are described as follows: LEQ is the sound level corresponding to a steady-state sound level containing the same total energy as a time -varying signal over a given sample period. LEQ is the "energy" average noise level during the time period of the sample. LEQ can be measured for any time period, but is typically measured for 15 minutes, one hour or 24 -hours. The noise measurement survey for the Grand Avenue widening project was conducted in terms of the LEQ metric. CNEL is similar to LEQ but it is for 24 hours, and applies a weighting factor which places greater importance on noise events occurring during the evening and night hours when sleep disturbance is a concern. CNEL is a 24-hour, time -weighted annual average noise level. F: WROJ-ENMGrand eirlNew Text - GrandlSection 3 SplitlSection 3.6.doc Page 3.6-18 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Time -weighted refers to the fact that noise which occurs during certain sensitive time periods is penalized for occurring at these times. The evening time period, defined as 7 PM to 10 PM is penalized by five, and the night time period, defined as 10 PM to 7 AM, is penalized by 10 dB. These penalties and time periods were selected to attempt to account for increased human sensitivity to noise during the quieter periods of a day, where sleep is the most probable activity. A CNEL noise level may be reported as a CNEL of 60 dBA, 60 dBA CNEL or 60 CNEL. Typical noise levels in terms of the CNEL scale for different types of communities are shown in Figure 3.6-5. L(N), or L%, is a statistical method of describing noise which accounts for the variance in noise levels throughout a given measurement period. L(N), where N equals a percentage, is a way of expressing the noise level exceeded for a percentage of time in a given measurement period. For example, since 15 minutes is 25 percent of 60 minutes, L(25) is the noise level that is exceeded for fifteen minutes of a sixty minute measurement period. The L(N) metric is the most commonly used for noise ordinance standards. For example, most daytime city, state and county noise ordinances use an ordinance standard of 55 dBA for 30 minutes per hour or an L(50) level of 55 dBA. In other words, these noise ordinances require that for residential uses, a piece of equipment not on the property will not be allowed to generate a noise level of 55 dBA for more than thirty minutes in any hour. As the noise level limit increases, the time the noise is allowed to occur within any hour is reduced. Assessing Existing Noise Levels The existing traffic noise levels in the Grand Avenue project area were established in terms of the CNEL metric by modeling the road for the current traffic and speed characteristics. The noise levels modeled in this report were computed using the Highway Noise Model published by the FHWA ("FHWA Highway Traffic Noise Prediction Model," FHWA-RD-77-108, December 1978). Traffic data used to project existing noise levels were derived from City of Santa Ana 2001 traffic counts. The traffic mix in terms of truck percentages and time distributions for Grand Avenue and I-5 used in the analysis are based on measurements for roads in southern California and are considered typical for arterials in this area (Orange County Environmental Management Agency, Traffic Census, 1975). Railroad Noise The "Assessment of Noise Environments Around Railroad Operations" (Wyle Laboratories Report WCR 73-5, July 1973) was used to model the train noise levels in the Grand Avenue project area, associated with rail operations on the railroad tracks approximately 1,200 feet west of this area. The noise generated by a train pass -by can be divided into two components: the noise generated by the engine or locomotive, and the noise generated by the railroad cars. The characteristic frequency of a train engine is different than for train cars. The effective radiating frequency is 1,000 hertz (Hz) for locomotive engines and 2,000 Hz for the part of the noise generated by the cars. The noise generated by a train engine is the result of the mechanical movements of the engine parts, the combustion process, the horn if used, and, to a lesser extent, the exhaust system. The noise F.•IPROJ-ENVIGrand eirWew Text - Gran&Section 3 SplitlSection 3.6.doc Page 3.6-19 CNEL Outdoor Location —90 - Apartment Next to Freeway 314 Mile From Touchdown at Major Airport --80— I I0— < Downtown With Some Construction Activity Urban High Density Apartment —�o < Urban Row Housing an Major Avenue —60 — <- Old Urban Residential Area <...-_._..._..._.._ Wooded Residential 0— < Agricultural Crop Land —d0— < Rural Residential Wilderness Ambient TYPICAL CNEL NOISE LEVELS 100 P&D Consultants GRAND AVENUE WIDENING EIR Grand Avenue Widening Project Environmental Impact Report Section 3.0 generated by train cars is a result of the interaction between the wheels and the railroad track. A source height equal to zero feet was used in the model for the train car noise and a source height of 10 feet was used for the locomotive. 3.6.4 IMPACTS RELATED TO NOISE Two types of potential noise impacts may occur as a result of the proposed Grand Avenue widening: Demolition and construction noise may impact residences whose property lines border Grand Avenue and the playground and classroom activities at Frederick Remington Elementary School. In the long term, traffic on the widened segment of Grand Avenue may increase the noise environment for residences and the school adjacent to this segment of Grand Avenue. The noise analysis for the proposed Grand Avenue widening alternatives considered both short and long term impacts, as described in the following sections. Impacts of Alternative 1 Related to Noise Short Tenn Construction Impacts Under Alternative 1 As described earlier, construction under Alternative 1 will include two major components. The first will be the removal of the existing road pavement, sidewalks and landscaping, and the demolition and removal of existing structures such as commercial and residential structures. The second component consists of grading the right-of-way and construction of the road surface, sidewalks, sound walls and landscaping. In general, the equipment for these demolition and construction activities will consist of several pieces of heavy equipment, such as scrapers, tractors and graders. Another type of equipment that would be used would be large dump trucks, for hauling wastes from the site and materials to the site. There would generally only be one or two dump trucks working at the site at any one time. For this analysis; it was assumed that up to three pieces of heavy equipment would be operated simultaneously, as described below. Construction noise is generally high level, short duration noise which represents a potential short term impact on ambient noise levels in areas adjacent to the construction site. Noise generated by construction equipment, including trucks, graders, bulldozers, concrete mixers and portable generators, can reach high levels. Excavation and grading activities typically represent the highest potential for short term noise impacts during construction. The degree of impact will be dictated by the amount of construction equipment used, the density of heavy equipment, the proximity to a noise sensitive land use, and the duration of the grading and excavation process. General grading and construction activity noise levels for various pieces of equipment are shown in Figure 3.6-6. The noise levels shown on Figure 3.6-6 represent the range of noises generated at a distance of 50 feet from the equipment. Noise levels from a single source typically fall off at a rate of six dB for every doubling of distance from the source. For example, at F: IPROJ-ENMGrand eirlNew Text - GranMection 3 SplitlSection 3.6.doc Page 3.6-21 A. -Weighted Sound Level (dBA) at 50 feet .�..._.._�_ 60 70 so 90 100.._�.�. YIO iCompact (rollers) Front loaders Backhoes `l'raeters Scrapers,graders Pavers Tucks Concrete mixers Concrete pumps Cranes (movable) Cranes (derrick) Pumps Generators Compressors Pneumatic wrenches Jackhammers and drills Pile Drivers (peak levels) Vibrators Saws go __._W.. i 1 ..�.■.�■ """""" .� --------_ - _ Source: "Handbook of Noise Coatroy" by Cyril Harris, 1979. TYPICAL CONSTRUCTION NOISE LEVELS AT 50 FEET MoM P&DConsultantS GRAND AVENUE WIDENING EIR Grand Avenue Widening Project Environmental Impact Report Section 3.0 a distance of 200 feet, the noise levels shown in Figure 3.6-6 are approximately 12 dBA less; at a distance of 1,000 feet, the levels are about 25 dBA less. The loudest piece of equipment that is expected to operate during construction of the proposed widening would be equipment such as tractors and scrapers used during grading. There are existing residences and a school directly adjacent Grand Avenue that will be exposed to audible noise levels from construction activities associated with the widening of Grand Avenue. According to the preliminary plans prepared by Tetra Tech (2002), the proposed construction activity will be within 10 feet of the fence bordering the west side of the playground at the school, and adjacent to the walls and fences surrounding some of the residential parcels. This means construction activities will be as close as 150 feet to the nearest classroom building face and within 50 feet of the nearest residential building faces. Demolition and construction noise is a short term impact on existing noise levels. Every effort must be made to ensure that excessive noise is minimized whenever possible during construction. Noise generated by construction equipment and construction activities can reach high levels as shown earlier on Figure 3.6-6. Construction equipment noise comes under the control of the Environmental Protection Agency's Noise Control Program (Part 204 of Title 40, Code of Federal Regulations). The most effective method for controlling construction noise is through local control of construction hours. Consistent with mitigation measure N-1, provided later in this Section, construction for the Grand Avenue widening will occur between 7 AM and 7 PM Mondays through Fridays, and between 8 AM and 6 PM on Saturdays. No construction will be allowed on Sundays or federal holidays. This mitigation will substantially reduce short term noise impacts under Alternative 1, but not always to below a level of significance. As described earlier in Section 1.0 (Project Description and Project Objectives), it is anticipated that the widening of Grand Avenue under Alternative 1 will be constructed in phases, based on available funding. For example, as funding becomes available, the intersections could be improved, followed later by the widening of Grand Avenue on the segments between the intersections. Therefore, the demolition and construction for the widening under Alternative 1 would not occur in one continuous time period. Demolition and, construction activities could occur intermittently over a period of several years before construction of the entire widening project is complete. Therefore, potential short term noise impacts could occur over time, as short segments of the Grand Avenue widening is constructed. Therefore, mitigation measure N-1, provided later in this Section, would apply to each phase of demolition and construction under Alternative 1. Long Term Noise Impact Under Alternative 1 The potential long term traffic related noise impacts associated with the proposed widening of Grand Avenue under Alternatives 1 and 2 were assessed by comparing 2020 with project noise levels to 2020 noise levels without the proposed widening. The difference in noise levels between the with and without project scenarios for each segment of Grand Avenue would be due to the increase in traffic caused by the project alone. F. IPROJ-ENMGrand eirlNew Text - GrandWection 3 SplitlSection 3.6.doc Page 3.6-23 Grand Avenue Widening Project Environmental Impact Report Section 3.0 As described earlier in Section 1.0 (Project Description and Project Objectives), Alternatives 1 and 2 will provide the same number of through travel lanes on the project segment of Grand Avenue. Alternative 1 proposes to widen Grand Avenue to a right-of-way width of 100 feet and Alternative 2 proposes to widen Grand Avenue to a right-of-way width of 120 feet. The major difference between these two Alternatives is the addition of a five-foot wide, continuous bicycle lane in Alternative 2. The project traffic volumes and the width of the traveled portion of the road surface would be the same for both Alternatives. Therefore, the noise analysis of the with project scenario assesses the potential noise impacts of both Alternatives 1 and 2. The projected 2020 traffic volumes for this analysis are from the Traffic Study (January 2002). Table 3.6-6 lists the projected traffic volumes on the project segment of Grand Avenue and the corresponding distances to the 60 dB, 65 dB and 70 dB CNEL contours under the No Project Alternative. Table 3.6-7 lists the projected traffic volumes and corresponding distances to various noise contours for the with project scenario. The traffic mix in terms of truck percentages and time distributions for the project segment of Grand Avenue for 2020 were assumed to be the same as for existing conditions. The values in Tables 3.6-6 and 3.6-7 represent the distances from the centerline of the project segment of Grand Avenue, under the No Project and the widening alternatives, to the 60 dB, 65 dB and 70 dB noise contours. Figure 3.6-7 shows the locations of the 60 dB, 65 dB and 70 dB CNEL contours for the Future No Project case between Seventeenth Street and Santa Ana Boulevard, and between Santa Ana Boulevard and Fourth Street. Figure 3.6-8 shows the locations of the 60 dB, 65 dB and 70 dB CNEL contours for the Future No Project case between Fourth and First Streets. Figure 3.6-9 shows the locations of the Future With Project case 60 dB, 65 dB and 70 dB CNEL contours between Seventeenth Street and Santa Ana Boulevard, and between Santa Ana Boulevard and Fourth Street. Figure 3.6-10 shows the locations of the Future With Project case 60 dB, 65 dB and 70 dB CNEL contours between Fourth and First Streets. These values do not take into consideration the effect of any noise barriers, topography or intervening buildings which would alter these noise level projections. To determine the change in noise levels associated with the proposed widening of Grand Avenue, a comparison was made between the 2020 with and without project noise levels. Table 3.6-8 lists the existing and 2020 noise levels in dB CNEL at fifty feet from the centerline of the project segment of Grand Avenue, for existing conditions, and the 2020 No Project and 2020 with project scenarios. Table 3.6-8 shows the difference in noise levels as.a result of future growth and the difference in noise levels as a result of the proposed widening of the project segment of Grand Avenue alone. The project related noise impact is the difference between the 2020 with project values and the 2020 No Project Alternative noise levels. The results in Table 3.6-8 indicate there will be an increase in noise levels along the project segment of Grand Avenue due to normal growth through 2020. This growth will result in a projected increase in noise levels ranging from a 0.8 dB increase between Seventeenth Street and First Street. An increase in noise of 0.8 dB CNEL is not considered significant. F:IPROJ-ENMGrand eirlNew Text- GrandlSection 3 SplitlSection 3.6.doc Page 3.6-24 Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.6-6 DISTANCES TO 2020 NO PROJECT NOISE CONTOURS Road Segment 2020 ADT Seed h Distance to CNEL Contours (ft) Grand Avenue Seventeenth Street to Santa Ana Boulevard Santa Ana Boulevard to Fourth Street Fourth Street to First Street 1-5 at Grand Avenue 31,300 40 52 112 241 38,000 40 59 127 274 36,600 40 58 124 267 1 370,000 j 65 622 1,340 2,886 Source: BridgeNet Consulting Services (2001). TABLE 3.6-7 DISTANCES TO 2020 WITH PROJECT NOISE CONTOURS Road Segment 2020 ADT Seed h) Distance to CNEL Contours (ft) Grand Avenue Seventeenth Street to Santa Ana Boulevard Santa Ana Boulevard to Fourth Street Fourth Street to First Street 1-5 at Grand Avenue 31,300 40 52 112 241 38,000 40 59 127 274 36,600 40 58 124 267 370,000 65 1 622 1,340 2,886 Source: BridgeNet Consulting Services (2001). F:IPROJ-ENVIGrand eirlNewText- GranMection 3 SplitlSection 3.6.doc Page 3.6-25 FUTURE NO PROJECT NOISE CONTOURS - SEVENTEETH STREET TO FOURTEENTH STREET (db CNEL) 1 P&DConsultants GRAND AVENUE WIDENING El FUTURE NO PROJECT NOISE CONTOURS - FOURTEENTH STREET TO SANTA ANA BOULEVARD STREET (db CNEL) P&DConsultants GRAND AVENUE WIDENING EI R FUTURE NO PROJECT NOISE CONTOURS - SANTA ANA BOULEVARD TO FOURTH STREET NORTH HALF (db CNEL) P&DConsultants GRAND AVENUE WIDENING ;IR FUTURE NO PROJECT NOISE CONTOURS - SANTA ANA BOULEVARD TO FOURTH STREET SOUTH HALF (db CNEL) P&DConsultants GRAND AVENUE WIDENING EIR FUTURE NO PROJECT NOISE CONTOURS - FOURTH STREET TO FIRST STREET (db CNEL) P&DCOnsWtants GRAND AVENUE WIDENING EIR FUTURE WITH PROJECT NOISE CONTOURS - SEVENTEENTH STREET TO FOURTEENTH STREET (db CNEL) P&DConsultmts GRAN D AVENUE W! DENING EIR m Properties Taken =Mitigation Required 1 14" St. I 65 70 1 706S 60 " Santa. Ana Fwy off ramp I 3 ' \1 ti i �. ——...... 100 feet FUTURE WITH PROJECT NOISE CONTOURS - FOURTEENTH STREET TO SANTA ANA BOULEVARD (db CNEL) P&DEZdtants_ GRAND nveNue WIDENING EIR Properties Takea T Stafford StTt. 60 65 70 II I 7 60 I{II o(I� Fruit St. .......... X 4> ........... . 100 feet FUTURE WITH PROJECT NOISE CONTOURS - SANTA ANA BOULEVARD TO FOURTH STREET NORTH HALF (db CNEL) To=nstants —GRAND AVENUE ;1'�D"E"Nl�NG EIR = Properties Takeo / ry r � � 70 70 65 60 60' St. . _ J% j /ff r� f✓i f f6 /. sof / Jif f f ll y f n - - 100 feet FUTURE WITH PROJECT NOISE CONTOURS - SANTA ANA BOULEVARD TO FOURTH STREET SOUTH HALF (db CNEL) INERM 'R1 P&DCOnsultants GRAND AVENUE WIDENING EIR FUTURE WITH PROJECT NOISE CONTOURS - FOURTH STREET TO FIRST STREET (db CNEL) P&DConsultants GRAND AVENUE WIDENING EIR Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.6-8 NOISE LEVELS AT 50 FEET FROM ROAD CENTERLINE AND CHANGES IN NOISE LEVELS IN THE FUTURE Road Segment Noise Levels at 50 Feet From the Road Centerline in dB CNEL Exist ng 2020 Under 2020 Under Change Due Change Due the No the With to Growth to the Project Project Project Alternative Scenario On Grand Avenue From 69.5 70.3 70.3 0.8 0.0 Seventeenth Street to Santa Ana Boulevard. Santa Ana Boulevard to 70.4 71.2 71.2 0.8 0.0 Fourth Street Fourth Street to First 70.2 71.0 71.0 0.8 0.0 Street I-5 at Grand Avenue 84.6 1 86.5 865-1 1.9 0.0 Source: BridgeNet Consulting Services (2001). Traffic on I-5 is also expected to increase in the future due to normal growth. However, there is no expected change in projected traffic volumes on I-5 as a result of the proposed Grand Avenue widening itself. There are existing noise barriers along this segment of I-5 and, therefore, the projected noise from I-5 is assumed to be mitigated by these noise walls. The results in Table 3.6-8 also show that there will be no change in noise levels as a result of the widening alternative along the entire project segment of Grand Avenue. The 2020 with project noise levels will be the same as under the No Project Alternative, as shown on Table 3.6-8. As discussed in detail elsewhere in this EIR, the widening of Grand Avenue under Alternative 1 will require the acquisition of some properties directly adjacent to Grand Avenue. The acquisition of residential units will remove the first row of structures adjacent to Grand Avenue between Seventeenth Street and Northbound I-5 off -ramp at Grand Avenue, thereby exposing the second row of residences to increased noise levels associated with traffic on Grand Avenue. The second row of residences is currently largely screened from traffic noise by the structures, fences and walls associated with the first row of residences. The removal of the first row of residences homes will result in an increase of approximately three to five dBA in noise to the second row of dwellings next to Grand Avenue. In some cases, the 2020 with project traffic noise level at the second row of homes will exceed the City of Santa Ana exterior noise standard, and rear and side yards of these unit will require mitigation. Other properties proposed to be acquired by the City include the first row of single family residences adjacent to Grand Avenue between Santa Ana Boulevard and First Street. The removal of the first row of residences in this area will result in an increase of approximately seven to 10 dBA in noise at the second row of residences on this segment of Grand Avenue. The removal of the first row of homes will result in a significant increase in noise to the existing second row of homes located nearest to Grand Avenue. The exterior noise standard for the City of Santa Ana is 65 dB CNEL. Therefore, noise sensitive land uses subject to traffic noise levels in excess of 65 dB CNEL as a result of the widening of F.•IPROJ-EWGrand eirlNew Text - GrandlSection 3 SplitlSection 3.6.doc Page 3.6-36 Grand Avenue Widening Project Environmental lmpact Report Section 3.0 Grand Avenue under Alternative 1 will require noise mitigation. As noted above, this includes residences in the second row of residences from Grand Avenue which are within the 65 dB CNEL contour for the 2020 with project scenario. The distances to the 65 dB CNEL noise contour for the 2020 with project scenario under Alternatives 1 and 2 are shown in Figures 3.6-9 and 3.6-10 and as summarized in Table 3.6-7. Noise sensitive land uses within these distances of the centerline of Grand Avenue will require mitigation. As described in the following section, a noise barrier will be necessary to mitigate the noise impacts in the rear and side yards of residences to reduce traffic related noise levels to below the City's exterior noise standard of 65 dB CNEL. Mitigation described later in this Section would substantially mitigate this potentially significant adverse impact under Alternative 1, to below a level of significance. Impacts of Alternative 2 Related to Noise Short Term Construction Impacts Under Alternative 2 Alternative 2 will result in demolition and construction equipment and activities similar to Alternative 1. Therefore, the short term noise impacts under Alternative 2 will be similar to the impacts under Alternative 1. Mitigation measure N-1, provided later in this Section, will substantially reduce short term noise impacts under Alternative 2, but not always to below a level of significance. Long Term Noise Impacts Under .Alternative 2 The potential long term traffic related noise impacts associated with the proposed widening of Grand Avenue under Alternative 2 would be similar to the impacts under Alternative 1. Both Alternatives assume the same traffic volumes, so the 2020 noise contours would be the same, as shown earlier in Tables 3.6-6, 3.6-7 and 3.6-8. In addition, the 2020 noise levels for Alternative 2 would be the same as the noise levels under the No Project Alternative. However, the wider right- of-way for Alternative 2 would result in the acquisition of more residential units, thereby potentially exposing more second row residences to adverse noise levels which exceed the City of Santa Ana exterior noise standard. 3.6.5 MITIGATION RELATED TO NOISE Mitigation Measure for Short Term Noise Impacts N-1 The project specifications shall require project contractors to implement the following during all site preparation, grading and construction: • All site preparation, grading and construction activities shall be limited to between the hours of 7 AM and 7 PM Mondays through Fridays, and between 8 AM and 6 PM on Saturdays. No site preparation, grading or construction shall be allowed on Sundays or federal holidays. F.IPROJ-ENMGrand eirWew Text- Gran&Section 3 SohASection 3.6.doc Page 3.6-37 Grand Avenue Widening Project Environmental Impact Report Section 3.0 • The operation of construction equipment which generates substantial noise levels or levels noticeably above general construction noise shall be limited to between the hours of 10 AM and 4 PM, to the extent feasible. • All construction equipment shall be properly muffled, operated consistent with the manufacturers' specifications and maintained in good working order to reduce equipment related noise generation. • Temporary noise barriers shall be installed and used adjacent to sensitive land uses during periods when the loudest construction activities are occurring. • All construction activities shall comply with applicable State and local construction noise regulations. Analysis of Mitigation for Lona Term Noise hnnacts Traffic Noise Mitigation. There are a number of strategies for mitigating noise impacts from road noise sources. The most common measures are (1) reducing the noise emission levels from the noise source. (2) blocking the noise transmission paths with a noise barrier.' (3) shielding the receiver from noise by increasing the noise reduction characteristics of the building. These potential noise reduction strategies are described below. Noise Source Reduction The control of motor vehicle noise emission levels comes under the jurisdiction of the State of California and the City of Santa Ana has no authority to make changes related to the noise emissions from motor vehicles. The only means a local agency such as the City has in controlling noise levels from motor vehicles are by controlling vehicle speeds and truck traffic. The City could enact an ordinance restricting heavy trucks (those with three or more axles) from traveling on the project segment of Grand Avenue in the project area to reduce traffic related noise levels. However, the elimination of heavy trucks from the Grand Avenue traffic mix would reduce the 2020 with project noise level by only 0.5 dB, which is insignificant. Required Noise Barriers As discussed previously, the City of Santa Ana is proposing to acquire properties adjacent to the project segment of Grand Avenue to accommodate the proposed widening under Alternatives 1 and 2. The removal of units from the first row of residential dwellings adjacent to Grand Avenue will subject units in the second row of dwellings to increased noise levels. In some cases, the increased noise level at the property line of the second row of dwellings will be in excess of the City's exterior noise standard. F.- PROJ-ENMGrand eirWew Text- Gran&Section 3 Spli4Section 3.6.doc Page 3.6-38 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Between Seventeenth Street and Santa Ana Boulevard, the second row of dwellings is between 92 and 129 feet from the centerline of Grand Avenue. At these distances, the projected noise exposure level at these residences for the 2020 with project case will range from 66.3 dB CNEL to 64.1 dB CNEL. The second row of residences between Santa Ana Boulevard and Fourth Street is 167 feet from the centerline of Grand Avenue. When the first row of residences is removed, the second row of dwellings will be exposed to a noise level of 63.2 dB CNEL. The second row of residences between Fourth and First Streets are between 120 and 169 feet from the centerline of Grand Avenue. The projected noise level at these lots for the 2020 with project case will range from 65.2 dB CNEL to 63.0 dB CNEL. The exterior noise standard for the City of Santa Ana is 65 dB CNEL. Therefore, all noise sensitive land uses subject to traffic noise levels in excess of 65 dB CNEL as a result of the widening of Grand Avenue under either Alternative 1 or 2 will require noise barriers. This includes the second row of residential dwellings located within the 65 dB CNEL noise contour for the 2020 with project case. The distances to the 65 dB CNEL noise contour for the 2020 with project case are listed in Table 3.6-9. TABLE 3.6-9 DISTANCES TO 65 DB CNEL NOISE CONTOUR FOR THE 2020 WITH PROJECT CASE Grand Avenue Distance from Centerline ft. Seventeenth Street to Santa Ana Boulevard 112 Santa Ana Boulevard to Fourth Street 127 Fourth Street to First Street 124 Mitigation through the design and construction of a noise barrier (wall, berm or combination wall/berm) is the most efficient method of reducing traffic noise levels. The effect of a noise barrier is critically dependent on the geometry between the noise source and the receiver. A noise barrier effect occurs when the barrier breaks the "line of sight' between the noise source and the noise sensitive receiver. The greater the distance the sound must travel around the barrier to reach the receiver, the greater the noise reduction of the barrier. A barrier which does not break the line -of -sight is not an effective barrier, while one which just interrupts the line -of - sight achieves a five dBA reduction in noise. The FHWA model was also used in a computerized format to determine barrier heights in this analysis. Noise barrier calculations were performed for each of the noise sensitive properties which will be exposed to an increase in noise due to the removal of an adjacent property under Alternatives 1 and 2. Noise barriers are required for all noise sensitive land uses exposed to noise levels exceeding 65 dB CNEL. The residential lots requiring noise barriers are listed in bold in Tables 3.6-10 and 3.6-11. The results of the calculations show that a noise barrier, 5.5 feet in height relative to the residential pad elevation, will be sufficient to reduce the projected noise levels at each of the exposed noise sensitive land uses for the 2020 with project case, to below the City of Santa Ana exterior noise standard. This noise barrier height will be sufficient for all exterior F.•IPROJ-ENVIGrand eirWew Text - GrandlSection 3 SplitlSection 3.6.doc Page 3.6-39 Grand Avenue Widening Project Environmental Impact Report Section 3.0 noise sensitive land uses under both Alternatives 1 and 2. The results of the noise barrier calculations are presented in Tables 3.6-12, 3.6-13 and 3.6-14 for the impacted residential uses along the three segments of Grand Avenue Noise Barrier Design To be effective in reducing the noise levels, barriers must be continuous structures with no gaps or gates. The walls must maintain a minimum density of 3.5 pounds per square foot. This may be achieved with an earth berm, a brick wall or stud construction wall with 7/8" stucco finish, 3/8" plate or laminated glass, 5/8" Plexiglas or a combination of these materials. Interior Noise The interior noise standard for new residential construction the City of Santa Ana is 45 dB CNEL. Most residential dwellings provide 20 dB of exterior -to -interior noise insulation. Therefore, the property would have to be situated near the new right-of-way to exceed the interior noise standard. All residential uses that could have been exposed to interior noise levels in excess of the City's interior noise standard are in areas where the additional right-of-way for either Alternative 1 or 2 would require a full take of the property. Therefore, no mitigation is required for meeting the City's interior noise standards. F: IPROJ-ENVIGrand eirWew Text - GrandWection 3 SplitlSection 3.6.doc Page 3.6-40 Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.6-10 PROJECTED NOISE LEVELS AT RESIDENTIAL LOTS UNDER ALTERNATIVE I Location Action Exposed Property Existing Noise Level (CNEL) Future No Project Noise Level CNEL Centerline Distance to Grand Avenue Projected *Noise Level (CNEL) Noise Barrier Required 1301 15th Street Full Take 130515th Street 55.4 56.2 93' 66.2 Yes 1302 15th Street Full Take 130615th Street 55.4 56.2 93' 66.2 Yes 1500 Grand Avenue Full Take 1501 Eastwood 47.2 48.0 330' 57.9 No 1264 15th Street Full Take 1258 15th Street 53.3 54.1 129' 64.1 No 1404 Grand Avenue Full Take 1404 Grand Avenue 49.9 1 50.8 215' 60.7 No 1301 14th Street Full Take 130514th Street 54.8 55.6 102' 65.6 Yes 1263 14th Street Full Take 125914th Street 54.6 55.4 105' 65.4 Yes 130214th Street Empty Lot 130614th Street 64.9 65.8 100' 65.7 Yes 126414th Street Empty Lot 125814th Street 64.9 65.8 100' 65.7 Yes 1307 Eastwood Avenue No Take 1307 Eastwood Avenue 50.9 51.7 186' 61.7 No 930 Grand Avenue No Take 1205 Stafford Street 53.4 54.2 145' 64.1 No 742 Grand Avenue Full Take 1214 Fruit Street 52.5 53.3 167' 63.2 No 738 Grand Avenue Full Take 725 Eastwood Avenue 52.5 53.3 167' 63.2 No 734 Grand Avenue Full Take 725 Eastwood Avenue 52.5 53.3 167' 63.2 No, 730 Grand Avenue Full Take 725 Eastwood Avenue 52.5 53.3 167' 63.2 No 718 Grand Avenue Full Take 725 Eastwood Avenue 52.5 53.3 167' 63.2 No 718 Grand Avenue Full Take 721 Eastwood Avenue 52.5 53.3 167' 63.2 No 718 Grand Avenue Full Take 717 Eastwood Avenue 52.5 53.3 167' 63.2 No 714 Grand Avenue Full Take 715 Eastwood Avenue 52.5 53.3 167' 63.2 No 710 Grand Avenue Full Take 711 Eastwood Avenue . 52.5 53.3 167' 63.2 No 710 Grand Avenue Full Take 709 Eastwood Avenue 52.5 53.3 167' 63.2 No 702 Grand Avenue Full Take 703 Eastwood Avenue 52.5 53.3 167' 63.2 No 626 Grand Avenue Full Take 629 Eastwood Avenue 52.5 53.3 167' 63.2 No 624 Grand Avenue Full Take 622 Eastwood Avenue 52.5 53.3 ' 167' 63.2 No 620 Grand Avenue Full Take 619 Eastwood Avenue 52.5 53.3 167' 63.2 No 616 Grand Avenue Full Take 617 Eastwood Avenue 52.5 53.3 167' 63.2 No 612 Grand Avenue Full Take 615 Eastwood Avenue 52.5 53.3 167' 63.2 No 606 Grand Avenue Full Take 609 Eastwood Avenue 52.5 53.3 167' 63.2 No 1211 6th Street Full Take 715 Eastwood Avenue 52.5 53.3 167' 63.2 No 516 Grand Avenue Full Take 1202 6th Street 52.5 53.3 167' 63.2 No 516 Grand Avenue Full Take 519 Eastwood Avenue 52.5 53.3 167' 63.2 No 516 Grand Avenue Full Take 517 Eastwood Avenue 52.5 53.3 167' 63.2 No 510 Grand Avenue Full Take 515 Eastwood Avenue 52.5 53.3 167' 63.2 No 508 Grand Avenue Full Take 511 Eastwood Avenue 52.5 53.3 167' 63.2 No 502 Grand Avenue Full Take 507 Eastwood Avenue 52.5 53.3 167' 63.2 No 424 Grand Avenue Full Take 501 Eastwood Avenue 52.5 53.3 167' 63.2 No 420 Grand Avenue Full Take 419 Eastwood Avenue 52.5 53.3 167' 63.2 No 416 Grand Avenue FullTake 411 Eastwood Avenue 52.5 53.3 167' 63.2 No 1302 4th Street Full Take 1314 4th Street 52.2 53.0 169' 63.0 No 309 Grand Avenue No Take 1313 3rd Street 52.2 53.0 169' 63.0 No 303 Grand Avenue No Take 1313 3rd Street 52.2 53.0 169' 63.0 No * Future With Project Case Bold = Residential Lots which Require Noise Mitigation F: IPROJ-ENVIGrand eirWew Text - GrandlSection 3 SplitlSection 3.6 doe Page 3.6-41 Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.6-11 PROJECTED NOISE LEVELS AT RESIDENTIAL LOTS UNDER ALTERNATIVE 2 Location - Action Exposed Property Existing Noise Level (CNEL) Future No Project Noise Level CNEL Distance to Grand Avenue Centerline Projected *Noise Level (CNEL) Noise Barrier Required 1301 15th Street Full Take 130515th Street 55.4 56.2 93' 66.2 Yes 130215th Street Full Take 130615th Street 55.4 56.2 93' 66.2 Yes 1500 Grand Avenue Full Take 1501 Eastwood 47.2 48.0 330' 1 57.9 No 1264 15th Street Full Take 125815th Street 53.3 54.1 129' 64.1 No 1404 Grand Avenue Full Take 1404 Grand Avenue 49.9 50.8 215' 60.7 No 1301 14th Street Full Take 130514th Street 54.8 55.6 102' 65.6 Yes 1263 14th Street Full Take 125914th Street 54.6 55.4 105' 65.4 Yes 1302 14th Street Empty Lot 130614th Street 64.9 65.7 100' 65.7 Yes 1264 14th Street Empty Lot 125814th Street 64.9 65.7 100' 65.7 Yes 1307 Eastwood Avenue No Take 1307 Eastwood Avenue 50.9 51.7 186' 61.7 No 930 Grand Avenue No Take 1205 Stafford Street 53.4 54.2 145' 64.1 No 742 Grand Avenue Full Take 1214 Fruit Street 52.5 53.3 167' 1 63.2 No 738 Grand Avenue FullTake 725 Eastwood Avenue 52.5 53.3 167' 63.2 No 734 Grand Avenue Full Take 725 Eastwood Avenue 52.5 53.3 167' 63.2 No 730 Grand Avenue Full Take 725 Eastwood Avenue 52.5 53.3 167' 63.2 No 718 Grand Avenue Full Take 725 Eastwood Avenue 52.5 53.3 167' 63.2 No 718 Grand Avenue Full Take 721 Eastwood Avenue 52,5 53.3 167' 63.2 No 718 Grand Avenue Full Take 717 Eastwood Avenue 52,5 53.3 167' 63.2 No 714 Grand Avenue Full Take 715 Eastwood Avenue 52.5 53.3 167' 63.2 No 710 Grand Avenue Full Take 711 Eastwood Avenue 52.5 53.3 167' 63.2 No 710 Grand Avenue Full Take 709 Eastwood Avenue 52.5 53.3 1 167' 63.2 No 702 Grand Avenue Full Take 703 Eastwood Avenue 52.5 53.3 167' 63.2 No 626 Grand Avenue Full Take 629 Eastwood Avenue 52.5 53.3 167' 63.2 No 624 Grand Avenue Full Take 622 Eastwood Avenue 52.5 53.3 167' 63.2 No 620 Grand Avenue Full Take 619 Eastwood Avenue 52.5 53.3 167' 63.2 No 616 Grand Avenue Full Take 617 Eastwood Avenue 52.5 53.3 167' 63.2 No 612 Grand Avenue Full Take 615 Eastwood Avenue 52.5 53.3 167' 63.2 No 606 Grand Avenue Full Take 609 Eastwood Avenue 52.5 53.3 167' 1 63.2 No 1211 6th Street Full Take 715 Eastwood Avenue 52.5 53.3 167' 63.2 No 516 Grand Avenue Full Take 1202 6th Street 52.5 53.3 167' 63.2 No 516 Grand Avenue Full Take 519 Eastwood Avenue 52.5 53.3 167' 63.2 No 516 Grand Avenue Full Take 517 Eastwood Avenue 52.5 53.3 167' 63.2 No 510 Grand Avenue Full Take 515 Eastwood Avenue 52.5 53.3 167' 63.2 No 508 Grand Avenue Full Take 511 Eastwood Avenue 52.5 53.3 167' 63.2 No 502 Grand Avenue Full Take 507 Eastwood Avenue 52.5 53.3 167' 63.2 No 424 Grand Avenue Full Take 501 Eastwood Avenue 52.5 53.3 167' 63.2 No 420 Grand Avenue Full Take 419 Eastwood Avenue 52.5 53.3 167' 63.2 No 416 Grand Avenue Full Take 411 Eastwood Avenue 52.5 53.3 167' 63.2 No 1302 4th Street Full Take 1314 4th Street 52.2 53.0 169' 63.0 No 309 Grand Avenue No Take 1313 3rd Street 52.2 53.0 169' 63.0 No 303 Grand Avenue No Take 1313 3rd Street 52.2 53.0 169' 63.0 No * Future With Project Case Bold = Residential Lots which Require Noise Mitigation F: IPROJ-ENRGrand eirlNew Text - Gran&Section 3 SplitlSection 3.6doc Page 3.6-42 Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.6-12 NOISE BARRIER CALCULATIONS FOR RESIDENTIAL LOTS ON GRAND AVENUE BETWEEN SEVENTEENTH STREET AND SANTA ANA BOULEVARD Location of Exposed Residential Property Road Elevation (ft.) Centerline of Grand Avenue to Wall (ft.) Base of Wall (ft.) Centerline of Grand Avenue to Observer (fw Pad Elevation (it) Observer Height (ft.) Wall Height (ft) Noise Level Unmitigated (CNEL) Noise Level Mitigated (CNEL) U -05 -1 -5 -6 -Street 110 93 110 98 110 5 5.5 66.2 60.5 1306 15Street 110 93 110 98 110 5 5.5 66.2 60.5 1258 15 Street 110 129 110 134 110 5 5.5 64.1 58.6 1404 Grand Avenue 110 215 110 220 110 5 5.5 60.7 55.4 1305 le Street 1 110 102 1 110 1 107 110 1 5 1 5.5 65.6 1 60.0 125914 Street ' 110 105 110 110 110 5 5.5 65.4 59.8 130614 Street 110 100 110 105 110 5 5.5 65.7 60.1 1258 14 Street 110 100 110 105 110 5 5.5 65.7 60.1 1307 FAstwood Avenue 110 186 110 191 110 5 5.5 61.7 56.3 TABLE 3.6-13 NOISE BARRIER CALCULATIONS FOR RESIDENTIAL LOTS ON GRAND AVENUE BETWEEN SANTA ANA BOULEVARD AND FOURTH STREET Location of Exposed Residential Property Road Elevation (ft) Centerline of Grand Avenue to Wan (ft) Base of Wall (ft) Centerline of Grand Avenue to Observer (ft Pad Elevation (ft) Observer Height (ft.) Wall Height 00 Noise Level Unmitigated (CNEL) Noise Level Mitigated (CNEL) 1205 Stafford Street 110 145 110 150 110 5 5.5 64.1 58.7 1215 Fruit Street 110 208 110 213 110 5 5.5 61.8 56.5 1214 Fruit Street 110 167 110 172 110 5 5.5 63.2 57.8 725 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 725 Eastwood Avenue 110 167 1 110 172 110 1 5 5.5 1 63.2 '57.8 725 Eastwood Avenue 1 110 167 110 t72 110 5 5.5 63.2 57.8 725 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 721 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 717 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 715 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 711 Eastwood Avenue 110 167 110 '172 110 5 5.5 63.2 57.8 709 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 703 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 629 Fastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 622 Eastwood Avenue 110 167 110 172 110 5 5.5 1 63.2 57.8 619 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 617 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 615 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 609 Eastwood Avenue 110 167 I10 172 110 5 5.5 63.2 57.8 715 Fastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 1202 6 Street 110 167 110 172 110 5 5.5 63.2 57.8 519 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 517 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 515 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 511 Eastwood Avenue 110 167 110 1 172 110 5 5.5 63.2 57.8 507 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 501 Eastwood Avenue 110. 167 110 172 110 5 5.5 63.2 57.8 419 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 411 Eastwood Avenue 110 167 110 172 110 5 5.5 63.2 57.8 F.•IPROJ-ENMGrand eirWew Text - GrandlSection 3 SpIMSection 3.6.doc Page 3.6-43 Grand Avenue Widening Project Environmental Impact Report Section 3.0 TABLE 3.6-14 NOISE BARRIER CALCULATIONS FOR RESIDENTIAL LOTS ON GRAND AVENUE BETWEEN FOURTH AND FIRST STREETS Mitigation Measure for Long Term Noise Impacts N-2 The City of Santa shall incorporate 5.5 foot high noise barrier walls as specified in the noise technical report in the design of the selected alternative for the widening of Grand Avenue, based on the potentially impacted properties listed in Tables 3.6-10 (Alternative 1) and 3.6- 11 (Alternative 2) in this EIR. These noise barriers shall be shown in the project specifications and shall be constructed concurrently with the construction of the widening on Grand Avenue. 3.6.6 LEVEL OF SIGNIFICANCE AFTER MITIGATION RELATED TO NOISE The potential short term noise impacts associated with construction of Alternatives 1 and 2 would be substantially mitigated based on implementation of mitigation measure N-1, above. However, the anticipated noise levels of construction equipment cannot be mitigated to below a level of significance, because of the proximity of the proposed widening project to adjacent noise sensitive land uses. Therefore, in the short term, the construction of the proposed Grand Avenue widening under Alternatives 1 and 2 would result in significant adverse noise impacts which would be substantially mitigated, but which cannot be mitigated to below a level of significance. The long term noise impacts of the proposed Grand Avenue widening under Alternatives 1 and 2 will result in adverse noise impacts on sensitive land uses adjacent to Grand Avenue. Implementation of mitigation measure N-2 above will substantially reduce these noise impacts, to within City standards and, therefore, to below a level of significance. F.IPROJ-ENVIGrand eirWew Text - GranWection 3 SplitlSection 3.6.doc Page 3.6-44 Road Centerline Base Centerline of Pad Observer Wall Noise Level Noise Location of Exposed Elevation of Grand of Grand Elevation Height Height unmitigated Level Residential Property 00 Avenue to wag Avenue to (fL) (ft) (fL) (CNEL) Mitigated Wall (ft.) (ft) Observer (CNEL) (ft. 1314 4 Street 110 169 110 174 110 5 5.5 63.0 57.6 1313 3 Street 110 169 110 174 110 5 5.5 63.0 57.6 1313 3 Street 110 169 110 174 110 5 5.5 63.0 57.6 Mitigation Measure for Long Term Noise Impacts N-2 The City of Santa shall incorporate 5.5 foot high noise barrier walls as specified in the noise technical report in the design of the selected alternative for the widening of Grand Avenue, based on the potentially impacted properties listed in Tables 3.6-10 (Alternative 1) and 3.6- 11 (Alternative 2) in this EIR. These noise barriers shall be shown in the project specifications and shall be constructed concurrently with the construction of the widening on Grand Avenue. 3.6.6 LEVEL OF SIGNIFICANCE AFTER MITIGATION RELATED TO NOISE The potential short term noise impacts associated with construction of Alternatives 1 and 2 would be substantially mitigated based on implementation of mitigation measure N-1, above. However, the anticipated noise levels of construction equipment cannot be mitigated to below a level of significance, because of the proximity of the proposed widening project to adjacent noise sensitive land uses. Therefore, in the short term, the construction of the proposed Grand Avenue widening under Alternatives 1 and 2 would result in significant adverse noise impacts which would be substantially mitigated, but which cannot be mitigated to below a level of significance. The long term noise impacts of the proposed Grand Avenue widening under Alternatives 1 and 2 will result in adverse noise impacts on sensitive land uses adjacent to Grand Avenue. Implementation of mitigation measure N-2 above will substantially reduce these noise impacts, to within City standards and, therefore, to below a level of significance. F.IPROJ-ENVIGrand eirWew Text - GranWection 3 SplitlSection 3.6.doc Page 3.6-44 Grand Avenue Widening Project Environmental Impact Report Section 3.0 3.7 CULTURAL RESOURCES Based on the findings of the IS, the proposed Grand Avenue widening may or would result in potentially significant adverse impacts on cultural resources, specifically related to impacts on archeological resources, historic resources, and existing religious and sacred uses. The analysis of the potential impacts of the proposed Grand Avenue widening related to cultural resources is documented in the Cultural Resource Assessment for Grand Avenue Widening Project, City of Santa Ana, Orange County (Discovery Works, Inc., April 2001). In addition, in December 2001, the City conducted additional analyses for two structures at 702 North Grand Avenue and at 714 North Grand Avenue. These additional analyses are also provided in Appendix H. The findings of the cultural resources assessment are summarized in this Section. The complete technical report is included in Appendix H of this EIR. 3.7.1 EXISTING SETTING RELATED TO CULTURAL RESOURCES Cultural Resources Background for the Grand Avenue Area Prehistoric Setting The project segment of Grand Avenue is in the floodplain east of the Santa Ana River and south of Santiago Creek, an area subject to seasonal floods which in the past created swamps and sloughs. Prehistorically, the environmental conditions would have been much the same as today. While this floodplain would have provided abundant food and tool making resources, and undoubtedly served as a procurement area for regional prehistoric populations, it is an unlikely location for long term or village -type settlement. Most documented prehistoric sites in Orange County that represent long term occupation and possible villages are on mesas around coastal bays and estuaries or on knolls above the floodplain. The archival research conducted for the Grand Avenue project identified several documented prehistoric sites on the bluffs overlooking the River. These locations were favored because they are more secure and less subject to periodic flooding. Some archaeological sites within several miles of the Grand Avenue project area date to the earliest identified prehistoric traditions, termed either the Early Man Horizon or the San Dieguito Tradition. The earliest local cultural tradition is a late San Dieguito component at the Irvine Site (CA -ORA - 64) on the bluffs above Middle Newport Bay. The San Dieguito/Early Man traditions are followed by cultures termed either Milling Stone Horizon or Encinitas Tradition. Prehistoric sites representing this time period (after 5500 B.C.) typically yield large numbers of metates and manos (milling stones) as well as unique artifacts of unknown use, called discoidals and cogged stones. There are a number of Milling Stone Horizon sites in Orange County. One site, CA -ORA -83, known as the Cogged Stone Site, is on the Bolsa Chica Mesa on the north side of Bolsa Chica Bay and the wetlands. Cogged stones are also recorded for CA -ORA -145 and CA -ORA -163, which are well south of the Grand Avenue project area. By 3000 B.C., coastal populations begin exhibiting greater reliance on marine resources. Along the coast, deep sea fishing began in earnest and circular fishhooks and perforated stones, possibly associated with larger nets, appear. Inland and in the San Joaquin Hills canyons, acorn processing technology appears. The Intermediate Horizon is followed by the Late Prehistoric Horizon or FIPROJ-ENVIGrand eirWew Text- GrandlSection 3 SplitlSection 3.7.doc Page 3.7-1 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Shoshonean Tradition, beginning around A.D. 500. Among the recognized archaeological changes is the presence of arrowheads, soapstone bowls, callus shell beads, steatite effigies and cremations. These innovations have been linked to the arrival of Shoshonean peoples in the area. By A.D. 1000, smoking pipes and Tizon brownware pottery also appear. This late prehistoric period ends abruptly when Spanish colonists begin establishing missions along the coast. Disease and forced mission labor greatly reduced native populations and destroyed most traditional cultural life styles. The diaries and records kept by early Spanish missionaries, soldiers and explorers provide much of our knowledge about the native inhabitants in the area at the time of European contact. Ethnographically, the Grand Avenue project area is within the territorial boundaries of the Gabrielino Indians. The Gabrielinos were Shoshonean, Takic,language speakers, who resided in the Los Angeles Basin and adjacent north Orange County. Their name derives from their association with Mission San Gabriel Archangel. Spanish accounts and historic interviews indicate the Gabrielino were intensive hunter -gatherers who used both inland and coastal resources. The Gabrielino lived in either permanent or semi-permanent villages on coastal estuaries or along major inland watercourses. These villages were the focus of family life, with each individual group linked to others by paternal kinship. Historic Setting The area that later became the City of Santa Ana was originally mission lands and then parts of large land grants given to Spanish explorers and settlers by the King of Spain. When Mexico won independence from Spain in 1821, and the missions were secularized, the large grants were broken into smaller ranchos resulting in title and boundary disputes, and sales, inheritance and financial difficulties. The 1848 gold rush brought an influx of people from other parts of the United States and the world to California. California was viewed as a land of promise and opportunity. Conflicts for land and political upheaval between Mexico and the United States ultimately led to California's independence from Mexico and statehood admission in 1850. In the 1860s, periods of successive drought and floods destroyed cattle and crops and led to the breaking up of the large ranchos into smaller blocks of land. The disastrous events of the 1860s set the stage for the development of smaller agricultural enterprises. Small settlements were established to serve the farms and ranches on the fertile soil of the Santa Ana River floodplain. Gradually, commerce developed in favorable central locations. These centers provided limited but vaned services to meet local settlers' needs. Developers began to lay out subdivided blocks for towns and advertised the beauty and opportunity found in this area. In the 1870s and 1880s, there was a land boom in southern California, and the settlements of Anaheim, Santa Ana and Orange began to grow and develop. William Spurgeon, the founder of Santa Ana, purchased the land from Jacob Ross in 1869 and started his town on 74 acres. By 1886, Santa Ana had incorporated with 2,000 residents and covered the area from First Street on the south side to West Street (now Broadway) on the west, Seventh Street on the north and Spurgeon Street on the east. The Grand Avenue project area is east of the original townsite. With the formation of Orange County in 1889 and with Santa Ana chosen as the County seat, government agencies brought new administrative activity, development and more residents to the City. The County courthouse, completed in 1901, became the new center for County and City F: PROJ-ENNGrand eirWew Text - Grand;Section 3 Split&ction 3.7.doc Page 3.7-2 Grand Avenue Widening Project Environmental Impact Report Section 3.0 activity. The City soon had a Carnegie Library at Fifth and Sycamore Streets and a high school by 1915 that also offered junior college classes. Later, Santa Ana College had its own campus on North Main Street and by 1946 built an expanded campus on Seventeenth Street between Bristol and College Avenues. Between 1906 and 1940, Santa Ana was affected by a number of major events. The Panama Canal and transcontinental railroads awakened west coast trade and commerce; the oil industry was developing in southern California; and automobiles and utility networks were beginning to change the rural character of Santa Ana. The Santa Fe Railroad lines laid in 1888 linked Santa Ana to Los Angeles and the coast. Pacific Electric lines operated on Fourth Street by 1906 and brought commerce and new residents to the City. Following World War I, another building boom began in Orange County and growth intensified. Men returning from the War settled in new places that offered opportunities for them to provide for their families. New tracts were planned and developed, where houses could be built close to town. From about 1915 through the 1920s, the favored architectural style was the California or Craftsman bungalow. A typical bungalow is wood -sided with an extended front porch supported by columns. This open and functional plan lends itself to variations in size and detail to suit individual tastes. A number of examples of this style typify the residential development in Santa Ana during this period. A few structures in the Grand Avenue project area date to this period. Agriculturally, oranges, beans, poultry, eggs and truck farming continued to flourish in the area and become more important as World War H approached and the demand for supplies increased. After World War 11, another building surge occurred in southern California, especially in Orange County. The boom of tract house development and bedroom communities became a fact of life. In the City of Santa Ana, several tracts were laid out beyond the City's original boundaries and several lots on Grand Avenue were subdivided and houses built following World War 11. By the 1950s, stores and other businesses were also established on Grand Avenue. The City of Santa Ana, a center of commerce and government for Orange County, continues these trends to the present. Cultural Resources in the Grand Avenue Project Area Archeological Resources The records review indicated no archaeological or historical survey has been conducted for this segment of Grand Avenue, except for the segment that crosses under I-5. In 1982, an archaeological and historical survey of 1-5 from Interstate 405 in Orange County to Interstate 605 in Los Angeles County was conducted. The 1982 survey found no archaeological or historical resources at the interchange of Grand Avenue and 1-5. Several archaeological surveys conducted within two kilometers of the project segment of Grand Avenue recorded several potential historic buildings or structures and historic sites, but no prehistoric sites. The records review also indicated that no known prehistoric sites are documented for the Grand Avenue project area or within a two kilometer radius of this area. F:IPROJ-ENPIGrand eirWew Text- GrandlSection 3 Sp1it&ction 3.7.doc Page 3.7-3 Grand Avenue Widening Project Environmental Impact Report Section 3.0 The field survey for archaeological remains found no indications of prehistoric use of the project area. There are very few existing open spaces on Grand Avenue between First and Seventeenth Streets. Landscaping and paved parking lots generally cover the ground where there are no buildings. In summary, no previously documented archeological resources are known in the Grand Avenue project area. However, it is possible that buried, currently unknown resources are present under existing pavement and structures in the Grand Avenue project area. Historic Resources The closest recorded historical archaeological sites, CA -ORA -1030H and CA -ORA -1031H, are 1.5 miles west of the Grand Avenue area, near the Santa Ana Civic Center. No previously recorded National Register, State Register or local landmarks are identified within the Grand Avenue project area. The closest National Register building is the Pacific Electric Substation No. 14, 1,500 feet west of Grand Avenue, on Fifth Street. The historic map review indicates that the Grand Avenue project area includes the peripheral and east part of the City of Santa Ana. 1896 and 1901 maps show Grand Avenue extending straight north from Warner Avenue to Fourth Street. At Fourth Street, Grand Avenue continued north, however the road alignment on the north side started about 500 feet to the west and then extended straight to existing Seventeenth Street. After 1942 and before 1981, Grand Avenue was realigned south of First Street in Santa Ana to pass diagonally to connect at First Street and to match the road alignment north of Fourth Street. After World War II, the City of Santa Ana changed rapidly and the 1942 United State Geological Survey (USGS) Anaheim map shows this increased development. In November 1997, the City of Santa Ana passed Resolution 97-046A that provided a revised list of the Santa Ana Register of Historic Properties. In December 1997, the City Council passed Ordinance No. NS -2338 that outlined the steps for designating structures to the City of Santa Ana Register of Historic Properties. The 1997 Register of Historic Properties did not list any structures along the project segment of Grand Avenue. Previously, the City of Santa Ana had prepared listings of pre -1940 houses within the City boundaries. That list indicated only two structures on Grand Avenue that dated prior to the 1940s, a 1880s structure at 902 North Grand Avenue, within the project area, and a 1910 structure at 614 South Grand Avenue, outside the project area. The field survey revealed that a multifamily structure was built in 1986 on the site where the Assessor's records listed an 1880s residence. Review of construction dates in the Assessor's records indicated that 26 structures that date 50 years or older are located along Grand Avenue between First and Seventeenth Streets, as summarized in Table 3.7-1. The historic resources survey reviewed the 26 potentially significant residences identified as 50 years or older from the Assessor's records. The Primary Form (DPR 52313) for these structures were completed. Only three of these residences required additional research to evaluate their significance. In addition, in December 2001, the City conducted additional analyses for two structures at 702 North Grand Avenue and at 714 North Grand Avenue. These additional analyses are also provided in Appendix H. The remaining residences and commercial structures along the Grand Avenue alignment were determined not to be potentially significant as historic F.- PROJ-ENMGrand eirWew Text - Gran&Section 3 Spli6Section 3.7.doc Page 3.7-4 Grand Avenue Widening Project Environmental Impact Report Section 3.0 resources. Based on the field inspection of these properties, none appear to be eligible for listing as historic resources under federal, state or local programs. Most of these properties are 1930s and 1940s tract houses which are not architecturally significant and lack physical integrity. Collectively, these individual properties do not comprise an historic district. As such, these properties do not meet the threshold of significance for historic resources pursuant to CEQA. Primary Records were prepared for these properties, and no additional evaluation or documentation is required. The completed Primary Forms and the updated December 2001 forms for 702 and 714 North Grand Avenue are provided in Appendix H of this EIR. TABLE 3.7-1 POTENTIALLY HISTORIC STRUCTURES ON GRANDAVENUE BETWEEN FIRST AND SEVENTEENTH STREETS Address Construction Date Parcel Number 401 N. Grand 1954 398-391-22 415 N. Grand 1955 398-391-21 420 N. Grand 1947 398-383-10 424 N. Grand 1946 398-383-11 501 N. Grand 1953/54 398-383-12 502 N. Grand 1945 398-383-12 504 N. Grand 1952 398-383-12 508 N. Grand 1946 398-372-03 510 N. Grand 1946 398-372-02 516 N. Grand 1939 398-372-01 616 N. Gland 1948 398-371-12 616 %:N. Grand 1948 398-371-12 620A N. Grand 1944 398-371-I1 624 N. Grand 1944 398-371-10 626 N. Grand 1947 398-371-09 702 N. Grand 1925 398-371-08 706-710 N. Grand 1953 398-371-07 714 N. Grand 1927 398-371-06 730 N. Grand 1937 398-371-04 734 N. Grand 1937 398-371-03 738 N. Grand 1948 398-371-02 742 N. Grand 1910 398-371-01 1263 E.14 1955 398-083-10 1301 E. 14m 1952 400-232-15 1301 E.15 1952 400-231-03 1302 E. 15m 1952 400-232-14 FAPROJ-ENMGrand eirWew Text- Gran&Section 3 SpIMSection 3.7.doc Page 3.7-5 Grand Avenue Widening Project Environmental Impact Report Section 3.0 The residences requiring additional research were the residences at 742 North Grand Avenue, 714 North Grand Avenue and 702 North Grand Avenue. Additional research was conducted for these three potentially significant structures identified during the field survey. The City of Santa Ana pulled the original building permits for these properties. The dates of construction for those buildings, as shown on the building permits, were later than those provided by the Assessor's records. Sanborn Maps at the Los Angeles Central Library were also researched regarding these three structures. The Library has two sets of maps for Santa Ana, 1905 and 1906 with revisions through 1952. The earlier map included only one block of Grand Avenue, probably indicating that there were only a few buildings in the area. This additional research provided more detailed information for these three residences. The County Assessor's records for 702 North Grand Avenue indicate this building was constructed in 1915, but the architectural style of the building suggests otherwise. The English Revival style of the building did not become popular until well after World War I. Additional research was needed to confirm the date of construction and original use of this building. Based on the additional research, it appears the structure at 702 North Grand Avenue was constructed in 1925. The building permit and the Sanborn Map indicate it was designed as a residence for a Doctor D. Jones, Jr. It is a modest example of the English Revival style and is substantially intact. This building is not eligible for listing in the National Register or under a landmark ordinance because it is not special or unique. This building is eligible for special consideration in local planning because it is intact, greater than fifty years old and displays some architectural characteristics. It appears to be eligible for listing in the Santa Ana Register of Historical Property because it embodies the distinguishing characteristics of an architectural building period associated with a specific period of development, is a nicely detailed example of a modest sized English Revival home, contributes to the overall character and history of Santa Ana, and has not been substantially altered. The 1919 date of construction for the structure at 714 North Grand Avenue seemed early given the architectural style of the building. The Spanish Colonial Revival style residence is typical of 1920s housing tracts. The estimated date of construction for this structure, based on the updated December 2001research, is 1927. It is a nice example of a Mission/Spanish Colonial Revival style residence, except it lacks the typical clay tile roof commonly found in 1920s housing tracts. This building is not eligible for listing in the National Register or under a landmark ordinance because it is not special or unique. This building is eligible for special consideration in local planning because it is intact, greater than fifty years old and displays some architectural characteristics. According to the Assessor's records, 742 North Grand Avenue was constructed in 1910, making it one of the older houses in the neighborhood. Certain aspects of the structure, in particular the massing and pitch of the roof, are inconsistent with the architecture of the turn -of -the -century. Additional research was conducted to document the physical integrity of the building and to determine its historic significance, if any. Building permits indicate that the structure at 742 North Grand Avenue was moved from 510 East First Street to its current location and remodeled in 1945. It may very well have been constructed in 1910, but it lacks the integrity to be eligible for listing in the National Register or under the local landmark ordinance. Moved buildings are automatically ineligible for listing in the National Register unless they meet the criteria for special consideration. F: WROJ-ENVIGrand eirWew Text - GranMection 3 SplihSection 3.7.doc Page 3.7-6 Grand Avenue Widening Project Environmental Impact Report Section 3.0 3.7.2 THRESHOLDS OF SIGNIFICANCE RELATED TO CULTURAL RESOURCES The proposed Grand Avenue Widening will be considered to have a significant impact on cultural resources if it: Disrupts or adversely affects a prehistoric or historic archaeological site or a property of historic or cultural significance to a community or ethnic or social group. 2. Conflicts with established recreational, educational, religious or scientific uses of the area. 3. If the cultural resource potential is medium to high, the impact is considered potentially significant. 4. Involve the demolition of an historic structure listed on the National Register of Historic Places. 5. Involves the demolition of an historic building which has been officially listed by the City of Santa Ana as a contributing structure to an historic structure. 6. A project, including the alteration or rehabilitation of an historic structure or area, which has been identified as significant by the criteria identified above, to a level that destroys the historical significance of such an historic property or area or does not maintain the architecture and identify of a property or area, is considered to have a significant impact. Is adjacent to or touching a historically significant structure or area may cause a significant impact on the historical property. This may include, but is not limited to activities such as heavy construction adjacent to an historic building which may weaken the structure, new development adjacent to an historic structure which diminishes the integrity and identity of the historically significant structure or area, etc. These thresholds of significance are consistent with the determination of significance process for historical resources based on the National Register of Historic Resources, the California Register and the City of Santa Ana Register of Historic Property. 3.7.3 METHODOLOGY RELATED TO CULTURAL Archival Research and Record Search An archival review and record search were conducted at the South Central Coastal Information Center (SCC), at the Fowler Museum, University of California, Los Angeles, on April 9, 1997 and were updated on September 29, 1998. The archival review and record research were updated again on February 26, 2001 at the SCC at California State University, Fullerton. The SCC is the State Historic Preservation Office (SHPO) designated archive for historic and prehistoric site records, inventory listings and reports for Los Angeles, Orange and Ventura Counties. Historic maps for Orange County were also reviewed at the SCC. Sources reviewed for the proposed Grand Avenue widening included: F: IPROJ-ENMGrand eirlNew Text - GrandlSection 3 SplitlSection 3.7.doc Page 3.7-7 Grand Avenue Widening Project Environmental Impact Report Section 3.0 • ' Directory of Properties in the Historic Property Data File (1/15/97, 7/31/98 and 2/14/01) including the National Register of Historic Places (1995). • California State Historic Resources Inventory (HRI). • California Historical Landmarks (1990). • California Points of Historical Interest (1992). • Five Views, An Ethnic Sites Survey for California (1988). • Historic maps reviewed included: 1896 - USGS Anaheim Quadrangle, 1:62,500 1901- USGS Santa Ana Quadrangle, 1:62,500 1902 - USGS Corona Quadrangle, 1:125,000 1942 - USGS Anaheim Quadrangle, 1:62,500 Archaeological and Historical Field Survevs A field survey for archaeological and historic resources was conducted. The archival research showed there is potential for significant historic structures in the project area. The archaeological field survey was conducted on December 23, 1998, and the historical survey was conducted on January 11, 1999. The archaeological and historical field surveys were limited to the direct area of potential impact, along either side of Grand Avenue. This area extended from the existing right-of- way limits to the proposed right-of-way limits for Alternatives I and 2. The historical survey reviewed any structure that dated to 50 years or older and was identified as a fall take under Alternatives 1 and/or 2. The archaeological survey specifically reviewed: • All undeveloped, open areas adjacent to Grand Avenue between First and Seventeenth Avenues. Land uses adjacent to the alignment of the project segment of Grand Avenue, to identify any structures 50 years or older in addition to those structures identified by the review of the County Assessor's records. • Past construction and development along the project segment of Grand Avenue. During the archaeological survey, open areas, road cuts and any visible subsurface disturbance were examined for any indication of prehistoric activity. Indicators of prehistoric activity include artifacts, features, shell, charcoal, bone and dark discolored soil resulting from decomposing organic material and charcoal. These remains would indicate dietary, stone tool manufacturing or processing activities for prehistoric people. To assess the potential for intact buried remains, the archaeological survey included a review of land uses along the project segment of Grand Avenue. F: IPROJ-EW Grand eirlNew Text- GrandlSection 3 Sp1itlSection 3.7.doc Page 3.7-8 Grand Avenue Widening Project Environmental Impact Report Section 3.0 This review helped determine possible past levels of disturbance such as earlier sewer lines and water lines on this alignment. Assessor's Records Construction dates for those structures identified on the widening plans for Alternatives 1 and 2 as full takes were reviewed to assess if any structures that date 50 years or older or pre -1950 would be affected by the proposed project. These records are housed at the County Assessor's office in Santa Ana. 3.7.4 IMPACTS RELATED TO CULTURAL RESOURCES Impacts of Alternative 1 Related to Cultural Resources Impacts of Alternative 1 Related to Archeological Resources There are no documented archeological resources in the Grand Avenue project limits under Alternative 1. Therefore, Alternative 1 will not result in adverse impacts on any documented archeological resources. No mitigation is required. The construction of Alternative 1 could result in adverse impacts on previously unknown buried archeological resources. These impacts will be mitigated to below a level of significance based on implementation of measures CR -1 to CR -6, described later in this section. Impacts of Alternative 1 Related to Historic Resources As discussed earlier, there are no important significant historic resources as defined by the thresholds of significance within or adjacent to the project limits for Alternative 1. Therefore, Alternative 1 will not result in adverse impacts on significant historic resources as defined under the thresholds. However, as discussed earlier, the updated analyses conducted in December 2001 indicate that the residences at 702 and 714 North Grand Avenue appear to be eligible for listing in the Santa Ana Register of Historical Property. Although not defined as such in the thresholds provided earlier, properties on and eligible for listing on the Santa Ana Register are considered significant and important resources in the City. Therefore, the removal of these structures as a result of Alternative 1 would be a significant adverse impact of the proposed Grand Avenue widening. Mitigation measure CR -7 is provided later to address the impact of Alternative 1 on these structures. The construction of Alternative 1 could result in adverse impacts on previously unknown buried historical resources. These impacts will be mitigated to below a level of significance based on implementation of measures CR -1 to CR -6, described later in this section. F.•IPROJ-ENMGrand eirWew Text- GrandlSection 3 SplitlSection 3.7.doc Page 3.7-9 Grand Avenue Widening Project Environmental Impact Report Section 3.0 Impacts of Alternative 2 Related to Cultural Resources Impacts of Alternative 2 Related to Archeological Resources There are no documented archeological resources in the Grand Avenue project limits under Alternative 2. Therefore, Alternative 2 will not result in adverse impacts on any documented archeological resources. No mitigation is required. The construction of Alternative 2 could result in adverse impacts on previously unknown buried archeological resources. These impacts will be mitigated to below a level of significance based on implementation of measures CR -1 to CR -6, described later in this section. Impacts of Alternative 2 Related to Historic Resources As discussed earlier, there are no important significant historic resources as defined under the thresholds of significance within or adjacent to the project limits for Alternative 2. Therefore, Alternative 2 will not result in adverse impacts on historic resources as defined under the thresholds. However, as discussed earlier, the updated analyses conducted in December 2001 indicate that the residences at 702 and 714 North Grand Avenue appear to be eligible for listing in the Santa Ana Register of Historical Property. Although not defined as such in the thresholds provided earlier, properties on and eligible for listing on the Santa Ana Register are considered significant and important resources in the City. Therefore, the removal of these structures as a result of Alternative 2 would be a significant adverse impact of the proposed Grand Avenue widening. Mitigation measure CR -7 is provided later to address the impact of Alternative 2 on these structures. The construction of Alternative 2 could result in adverse impacts on previously unknown buried historical resources. These impacts will be mitigated to below a level of significance based on implementation of measures CR -1 to CR -6, described later in this section. 3.7.5 MITIGATION RELATED TO CULTURAL RESOURCES The following mitigation measures are recommended during construction of the proposed Grand Avenue widening, under Alternatives 1 and 2, to reduce potential impacts on cultural resources: CR -1 The project specifications shall require the project contractor to have an Orange County Certified Archaeologist present at the pre -grading meeting to discuss cultural resources monitoring, artifact collecting and safety procedures. At that meeting, the archaeologist will review the construction plans and schedule. CR -2 The project specifications shall require the project contractor to retain an Orange County Certified Archaeologist to conduct part-time monitoring during grading activities to observe and retrieve any buried artifacts that may be uncovered. F9PRG✓-ENVI Grand eirlNew Text - GrandlSection 3 SolMSection 3.7.doc Page 3.7-10 Grand Avenue Widening Project Environmental Impact Report Section 3.0 CR -3 The project specifications shall indicate that, if human remains are found during site preparation, grading or excavation, the Native American Graves Protection Act Guidelines and State law require that construction personnel: Initnediately halt work in the immediate area. Leave the remains in place. Contact the City of Santa Ana Project Manager and the Orange County Coroner. Until a representative of the Coroner's office reviews the remains in the field, they must not be removed. If the Coroner determines the remains are prehistoric, the Coroner will contact the Native American Heritage Commission and the most likely descendent from the Native American community will be informed. The final deposition of the remains must be coordinated between representatives of the property owner and the most likely descendent. CR -4 The project specifications shall indicate that if prehistoric artifacts or buried deposits are uncovered during grading, the Orange County Certified Archaeologist shall temporarily halt construction activities in the immediate area until the Archaeologist can evaluate the significance of the find. Implementation of a recovery program would follow, if the remains are determined to be potentially eligible for the California Register. CR -5 At the conclusion of the cultural resources monitoring, the recovered artifacts shall be properly collected with photographs, field notes and locations plotted on a USGS 7.5' topographic quadrangle. Artifacts will be identified, catalogued and stabilized for curation. Recovered artifacts shall be offered, on a first right -of -refusal basis, to a repository with a retrievable collection system and an educational and research interest in the materials. For example, the Anthropology Museum at California State University, Fullerton would be an appropriate repository to receive any artifacts collected in the Grand Avenue project area. CR -6 At the conclusion of the cultural resources monitoring, a final monitoring report, including an itemized inventory of collected artifacts and pertinent field data, shall be prepared and sent to the City of Santa Ana. Copies of this report will also be sent to the South Central Coastal Information Center at the University of California, Los Angeles. CR -7 During final design, the City will refine the design of the selected alterative to avoid acquisition of the residential structures at 702 and 714 North Grand Avenue, if feasible. hi the event that the design of the selected alternative cannot avoid the acquisition of these properties, the City shall offer the residences for sale and relocation to another parcel. If relocation is not feasible, the City shall prepare photo and text documentation of these structures prior to removal of the structures, in a report consistent with Historic American Buildings Survey (NABS) standards. That report shall document the significance and physical condition of the buildings proposed for demolition with photographs, written data and text, as follows: A. A brief written historic and descriptive report in narrative format, including an architectural data form. F.1PR0J-ENMGrand eirWew Text- GrandWection 3 Split&ction 3.7doc Page 3.7-11 Grand Avenue Widening Project Environmental Impact Report Section 3.0 B. A site plan on 8" x I V paper shows the location of the building. This site plan shall include a photo -key. C. A sketch floor plan on 8" x 11" paper shall accompany each architectural data form. D. Large format (4" x 5" or larger negative size) photographs in accordance with the HABS guidelines. Views shall include several contextual views, all exterior elevations, detailed views of significant exterior architectural features and interior views of significant historical architectural features or spaces (if any). E. Field photographs (35mm) based on the HABS guidelines. Views as detailed in large format photographs. F. The report shall include copies or prints of any available original plans and historic photographs. G. Archivally stable reproductions of any available significant historic construction drawings and photgraphs. H. Archival copies of the documentation shall be submitted to the City of Santa Ana. 3.7.6 LEVEL OF SIGNIFICANCE AFTER MITIGATION RELATED TO CULTURAL RESOURCES The proposed Grand Avenue widening under Alternatives 1 and 2 will not result in adverse impacts on documented archeological or historical resources. No mitigation is required. Alternatives 1 and 2 will result in significant adverse impacts on residences at 702 and 714 North Grand Avenue which appear to be eligible for listing on the Santa Ana Register of Historic Property. Mitigation measure CR -7 would potentially avoid or partially reduce these impacts. In the event that the City cannot avoid acquisition of these properties, the impacts of Alternatives 1 and 2 on these resources, even with implementation of mitigation measure CR -7, would be significant, adverse and unavoidable. Construction of the proposed Grand Avenue widening under Alternatives 1 and 2 could result in adverse impacts on previously unknown buried archeological and historic resources. These impacts will be mitigated to below a level of significance based on implementation of measures CR -1 to CR -6, above. F: IPROJ-ENVIGrand eirlNew Text - GrandlSection 3 SplitlSection 3.7.doc Page 3.7-12 Section 4.0 UNAVOIDABLE ADVERSE IMPACTS Grand Avenue Widening Project Environmental Impact Report Section 4.0 SECTION 4.0 UNAVOIDABLE ADVERSE IMPACTS 4.1 CEQA GUIDELINES SECTION 15126(b) This Section summarizes the unavoidable adverse impacts associated with Alternatives 1 and 2 for the widening of the project segment of Grand Avenue. Specifically, Section 15126(b) of the California Environmental Quality Act (CEQA) Guidelines requires that an Environmental Impact Report (EIR): "Describe any significant impacts, including those which can be mitigated, but not reduced to a level of insignificance. Where there are impacts that cannot be alleviated without imposing an alternative design, their implications and the reasons why the project is being proposed, notwithstanding their effect, should be described." Section 3.0 (Existing Conditions, Impacts and Mitigation Measures) documents the analysis of the potentially significant adverse impacts associated with Alternatives 1 and 2. As discussed below, these Alternatives are anticipated to result in unavoidable significant adverse impacts related to land use and planning, population and housing, transportation and noise. 4.2 UNAVOIDABLE ADVERSE IMPACTS RELATED TO LAND USE AND PLANNING As described in Section 3.2 (Impacts Related to Land Use and Planning), Alternatives 1 and 2 will result in adverse impacts to an established community due to the permanent changes associated with the removal of existing residential uses which previously buffered interior residential properties from Grand Avenue. Although the impact to the community character is not quantifiable, the effect of the disruption due to the removal of existing structures is considered a significant adverse impact on the existing community in proximity of the project limits along Grand Avenue which cannot be mitigated to below a level of significance. 4.3 UNAVOIDABLE ADVERSE IMPACTS RELATED TO POPULATION AND HOUSING As described earlier in Section 3.3.4 (Impacts Related to Population and Housing), Alternatives 1 and 2 will require the acquisition of residences and the displacement of residents. Mitigation measures LP -1 and LP -4, provided earlier in Section 3.2.5 (Mitigation Related to Land Use and Planning), would substantially reduce these potential impacts of the proposed widening of Grand Avenue under Alternatives 1 and 2 related to population and housing. However, based on the demand for affordable housing and the available housing stock, the cumulative loss of residential units in the City of Santa Ana cannot be mitigated to below a level of significance, as described in detail later in Section 6.2.4 (Cumulative Impacts Related to Population and Housing). Therefore, Alternatives I and 2 would result in a significant adverse impact related to population and housing which cannot be mitigated to below a level of significance. F.IPROJ-ENMGrand eirWew Text- GrandlSection 4.0-new.doc Page 4-1 Grand Avenue Widening Project Environmental Impact Report Section 4.0 This significant unavoidable adverse impact of Alternatives 1 and 2 can only be avoided if the widening alternatives are not implemented. Because this part of the City of Santa Ana is largely developed in urban uses including residential uses, and these uses are very close to the edge of the existing right-of-way for Grand Avenue, it is not possible to widen Grand Avenue without the acquisition of some property, including residential uses. 4.4 UNAVOIDABLE ADVERSE IMPACTS RELATED TO TRANSPORTATION As described in Section 3.3.5 (Impacts Related to Transportation), substantial improvements in traffic operations will result on the project segment of Grand Avenue, if the proposed widening project is implemented. As discussed earlier, Alternatives 1 and 2 would result in substandard LOS at the Santa Ana Boulevard/I-5 HOV ramps intersections during the PM peak hour in 2020. The Traffic Studv recommends the retention of the dual right turn lane with overlap phasing to mitigate this impact. However, due to the constraints of the I-5 bridge over Grand Avenue, there is not enough right-of-way to have three through lanes and dual right turn lanes at this intersection. Further, the City carefully analyzed both options and concluded that more congestion would be created upstream by reducing the number of through lanes from three to two. Therefore, this is an unavoidable significant adverse impact of Alternatives 1 and 2 related to transportation that cannot feasibly be mitigated. 4.5 UNAVOIDABLE ADVERSE IMPACTS RELATED TO NOISE As described earlier in Section 3.6.4 (Impacts Related to Noise), the potential short term noise impacts associated with construction of Alternatives 1 and 2 would be substantially mitigated based on implementation of mitigation measure N-1. However, the anticipated noise levels of construction equipment and construction activities cannot be mitigated to below a level of significance because of the proximity of the proposed widening project to adjacent noise sensitive land uses. Therefore, in the short term, the construction of the proposed Grand Avenue widening under Alternatives 1 and 2 would result in significant adverse noise impacts which cannot be mitigated to below a level of significance. This significant unavoidable short term adverse impact of Alternatives 1 and 2 can only be avoided if the widening alternatives are not implemented. Because this part of the City of Santa Ana is largely developed in urban uses including sensitive residential uses, and some of these uses would be close to the construction area, it is not possible to construct the widened Grand Avenue without the resulting in some significant, short term, adverse noise impacts on adjacent sensitive land uses. 4.6 UNAVOIDABLE ADVERSE IMPACTS RELATED TO CULTURAL RESOURCES As described earlier in Section 3.7.4 (Impacts Related to Cultural Resources), Alternatives 1 and 2 will result in significant adverse impacts on residences at 702 and 714 North Grand Avenue which appear to be eligible for listing on the Santa Ana Register of Historic Property. Mitigation measure CR -7 would potentially avoid or partially reduce these impacts. In the event that the City cannot avoid acquisition of these properties, the impacts of Alternatives 1 and 2 on these F: IPROJ-EWGrand eirWew Text - GrandWection 4.0-new.doc Page 4-2 Section 5.0 IRRETRIEVABLE AND IRREVERSIBLE COMMITMENT OF RESOURCES Grand Avenue Environmental Project Environmental Report Section 5.0 SECTION 5.0 IRRETRIEVABLE AND IRREVERSIBLE COMMITMENT OF RESOURCES Construction of the proposed. Grand Avenue widening project will require the commitment of a moderate amount of building materials such as sand, aggregate, concrete and asphalt. There would be an irretrievable commitment of energy resources such as gasoline and diesel fuel for the operation of construction equipment. Because these types of resources are available in sufficient quantities in this region, these impacts are not considered significant under Alternatives 1 and 2. The widening of the project segment of Grand Avenue will require the acquisition of additional right-of-way and, therefore, would result in the long term commitment of that land to urban infrastructure uses. This land would not be available for residential, commercial, industrial or other land uses. However, as this part of Santa Ana is already largely developed in urban uses and the proposed road is a compatible land use, this is not considered a significant adverse impact under Alternatives 1 and 2. In the long term, vehicles operating on Grand Avenue will predominantly use fossil fuels. However, as described earlier in Section 3.5 (Transportation and Circulation), the forecast traffic volumes on this segment of Grand Avenue will occur with or without this proposed widening. With the proposed widening under Alternatives 1 and 2, the flow of traffic will be improved compared to the No Project Alternative, which would beneficially affect energy use and demand. Therefore, the proposed widening will not result in an adverse impact related to energy in the long term under Alternatives 1 and 2. F: TRGJ-ENMGrand eirlNew Text - GrandlSection 5.0-new.doc Page 5-1 Section 6.0 GROWTH INDUCING AND CUMULATIVE IMPACTS OF THE PROJECT Grand Avenue Widening Project Environmental Impact Report Section 6.0 SECTION 6.0 GROWTH INDUCING AND CUMULATIVE IMPACTS OF THE PROPOSED PROJECT 6.1 GROWTH INDUCING IMPACTS Section 15126.2(d) of the California Environmental Quality Act (CEQA) Guidelines requires that an Environmental Impact Report (EIR) describe the potential growth inducing impacts of a proposed project. Specifically, Section 15126.2(d) states: "Discuss the ways in which the proposed project could foster economic development or population growth, or the construction of additional housing, either directly or indirectly, in the surrounding environment.... Also discuss the characteristics of some projects which may encourage and facilitate other activities that could substantially affect the environment, either individually or cumulatively. Is must not be assumed that growth in any area is necessarily beneficial, detrimental or of little significance to the environment." To assess whether the proposed Grand Avenue widening alternatives may foster spatial, economic or population growth, four questions were considered: ■ Would the widening of this segment of Grand Avenue result in the removal of an impediment to growth such as the establishment of an essential public service or the provision. of new access to an area? ■ Would the widening of this segment of Grand Avenue result in economic expansion or growth such as changes in the revenue base or employment expansion? ■ Would the widening of this segment of Grand Avenue result in the establishment of a precedent setting action such as an innovation, a radical change in zoning or a General Plan amendment approval? ■ Would the widening of this segment of Grand Avenue result in development or encroachment in an isolated or adjacent area of open space, as opposed to an infill type of project in an area which is already largely developed? Policies and plans in the City of Santa Ana General Plan Circulation Element identify fixture improvements to roads and intersections in the City to accommodate the traffic that would be generated under buildout of the General Plan Land Use Element and from development in the surrounding cities. The Circulation Element specifically cites Grand Avenue as one of several widening projects anticipated by the City to. ensure that the transportation network in the City meets the needs of the City and the region into the next century. The proposed project would widen the project segment of Grand Avenue to the Major Arterial designation shown in the Circulation Element. Therefore, the proposed widening under Alternatives 1 and 2 would be consistent with the Circulation Element. F: IPROJ-ENVIGrand eirWew Text- GrandlSection 6.0-new.doc Page 6-1 Grand Avenue Widening Project Environmental Impact Report Section 6.0 The widening of Grand Avenue would not be considered growth inducing, based on consideration of the four questions cited above, as follows: Grand Avenue is an existing arterial in a largely developed area. Public services, including streets, are already provided in this area. The existing cross section of Grand Avenue is not considered an impediment to development and the proposed widening would not provide new access to any area. The proposed widening will require the acquisition of privately owned right-of-way. Remainder parcels are anticipated to be combined and redeveloped in new uses. Those uses would be required to be consistent with the existing General Plan and zoning designations for these areas and would be expected to be similar to the existing residential and commercial uses on Grand Avenue that may be displaced by the proposed project. Therefore, the proposed widening project will not itself result in economic expansion or growth. The proposed widening is consistent with the General Plan Circulation Element and, therefore, is not a precedent setting action. As noted, any redevelopment of parcels affected by property acquisition would be required to be consistent with the General Plan and zoning designations for the area and, therefore, would not be expected to result in a radical change in land use designations in this area. The prpposed project would widen an existing largely developed in urban and suburban uses. space adjacent to or in the vicinity of this street. segment of Grand Avenue in an area already This area is not isolated and there is no open The General Plan Circulation Element also considers the relationship between transportation and land use projects and growth management policies and programs in the County. Measure M, a one- half cent retail sales tax, is a local transportation and growth management initiative approved by Orange County voters in 1990. Funds generated by Measure M are for use in improving streets and freeways, stabilizing transit fares and developing rail transit in Orange County. The City of Santa Ana complies with the requirements of the Measure M program to qualify for revenues generated through this sales tax. Because the City qualifies for the program, the Circulation Element is assumed to be generally consistent with the Measure M program. The proposed Grand Avenue widening, which is explicitly cited in the Circulation Element, is also assumed to be consistent with the Measure M program. This is additional confirmation that the proposed Grand Avenue widening project would not be growth inducing. The proposed project will result in the generation of short term construction related jobs. These jobs are expected to be filled from the existing work force in this part of Orange County. These construction workers are not anticipated to relocate to this area from elsewhere in the region and, therefore, will not generate demand for housing and services in this area. In the long term, the proposed project is not expected to result in the generation of jobs as it is a road which will be maintained by existing City of Santa Ana staff. Therefore, the employment related effects of the proposed Grand Avenue widening are not considered growth inducing. F.-IPROJ-ENMGrand eirWew Text- GranMection 6.0-new.doc Page 6-2 Grand Avenue Widening Project Environmental Impact Report Section 6.0 6.2 CUMULATIVE IMPACTS 6.2.1 DEFINITION OF CUMULATIVE IMPACTS Section 15355 of the CEQA Guidelines defines cumulative impacts as: "...two or more individual effects which when considered together, are considerable or which compound or increase other environmental impacts." Section 15355 further describes potential cumulative impacts as: "(a) The individual effects maybe changes resulting from a single project or a number of separate projects. (b) The cumulative impacts from several projects is the change in the environment which results from the incremental impact of the project when added to other closely related past, present and reasonably forseeable probable future projects. Cumulative impacts can result from individually minor but collectively significant projects taking place over a period of time." Cumulative impacts refer to two or more individual impacts which, when considered together, are considerable or which compound or increase other impacts. The individual effects may be changes resulting from a single project or from a number of projects. A cumulative impact refers to the degree of change in the environment resulting from a particular project, plus the incremental impacts created by other closely related past, present and reasonably forseeable future projects. Cumulative impacts may reveal that relatively minor impacts associated with a particular project may contribute to more significant impacts when considered collectively with other projects tatting place over a period of time. 6.2.2 CUMULATIVE PROJECTS Section 15130(b)(1) of the CEQA Guidelines provides two options for considering potentially significant cumulative adverse impacts. This analysis can be based on either: "(A) A list of past, present and probable future projects producing related or cumulative impacts, including, if necessary, those projects outside the control of the agency, or (B) A summary of projections contained in an adopted General Plan or related planning document, or in a prior environmental document which has been adopted and certified, which described or evaluated regional or areawide conditions contributing to the cumulative impact. Any such planning document shall be referenced and made available to the public at a location specified by the lead agency." F: IPROJ-ENMGrand eirWew Text - GrandWection 6.0 -new. doe Page 6-3 Grand Avenue Widening Project Environmental Impact Report Section 6.0 The cumulative impacts analysis requires consideration of other projects in an area, in conjunction with the proposed project, to assess the potential for significant adverse cumulative impacts. For this Focused EIR, the potential environmental effects of the proposed Grand Avenue widening were considered in conjunction with the potential environmental effects of buildout of the City of Santa Ana General Plan Land Use and Circulation Elements. The City of Santa Ana completed EIRs for proposed modifications to the Land Use and Circulation Elements in 1998. The EIRs for the proposed Land Use and Circulation Elements were used as the basis for determining the potential for cumulative significant adverse impacts in the City. These potential cumulative impacts were then considered with the impacts associated with the proposed Grand Avenue widening, to assess whether this widening project would contribute to cumulatively significant adverse environmental impacts. These EIRs for the Land Use and Circulation Elements are: Revised Final Environmental Impact Report No. 97-01 (EIR 97-01) Final Land Use Element State Clearinghouse (V) No. 97071058 (Parsons Brinkerhoff, January 21, 1998). Final Environmental Impact Report No. 97-02 (EIR 97-02) Final Circulation Element (V) No. 97071055 (Parsons Brinkerhoff, January 5, 1998). These EIRs are on file at the City and are available for review during regular business hours. The potential impacts of the proposed Grand Avenue widening are based on the impact analysis provided earlier in Section 3.0 (Existing Conditions, Impacts and Mitigation Measures) and in the Initial Study (IS) included in Appendix A of this EIR. This evaluation of potential cumulative impacts describes the potential impacts associated with the Circulation and Land Use Elements and the proposed Grand Avenue widening, for each environmental parameter. 6.2.3 CUMULATIVE IMPACTS RELATED TO LAND USE AND PLANNING Construction of the transportation improvements in the Circulation Element could result in changes in land uses and the full or partial take of property adjacent to the projects, as needed. However, the property takes are anticipated to be minor acquisitions and can be mitigated to below a level of significance. Much of the City of Santa Ana is developed and there is very little undeveloped land remaining in the City. Buildout based on the Land Use Element is not anticipated to result in adverse impacts related to zoning conflicts, inconsistencies with regional plans or land use conflicts because all new development is subject to the City's plan review process. As described earlier in Section 3.2 (Land Use and Planning), the proposed Grand Avenue widening will result in a significant adverse impact to an established community due to the exposure of homes to Grand Avenue that were previously shielded by an existing intervening structure. The acquisition of property for this widening will be consistent with City policy and State law regarding compensation for the acquisition of private property for public use. Therefore, the proposed Grand P: IPROJ-ENVIGrand eirlNew Text- GrandlSection 6.0-new.doc Page 6-4 Grand Avenue Widening Project Environmental Impact Report Section 6.0 Avenue widening will not contribute to a cumulative adverse impact in the City of Santa Ana related to land use and planning. 6.2.4 CUMULATIVE IMPACTS RELATED TO POPULATION AND HOUSING The Land Use Element EIR indicated that the proposed changes to the Land Use Element would not result in adverse impacts in the City related to housing and population. The Land Use Element includes policies expected to be effective in mitigating adverse impacts of projects in the City on residential uses and neighborhoods, as shown in Table 6-1. The Housing Element (City of Santa Ana Planning Department, December 18, 2000) also identifies a number of policies specifically related to housing as summarized in Table 6-2. The Housing Element also identifies those segments of the population who may have more difficulty in finding affordable housing. These populations include low and limited income persons, and special needs groups such as the elderly, large families, female -headed households, the disabled and the homeless. Between 1980 and 1990, the housing stock in the City of Santa Ana increased by nearly 7,800 units, according to the United States Census. Between 1990 and 2000, the housing stock experienced a net decrease of 18 units. Further, although new housing was constructed in the City between 1990 and 2000, there was no net increase in total housing units. This is because the removal of housing units throughout the City occurred at nearly the same rate as the construction of new units. Specifically, the Housing Element indicates that contributing factors to the loss of housing in the City have included the implementation of state and local transportation improvements such as the widening of Interstate 5 (I-5) through the City in the 1990s, redevelopment, code enforcement and private development. According to the City's Housing Element, from 1990 to 2000, the City grew by over 23,943 persons while at the same time experiencing a net loss of 18 housing units. The City faces additional challenges in providing residential units for varied income levels because of the level of urban development already present in the City. Available undeveloped land within the City suitable for residential development is very limited. This point is noted in the Community Factors section of the Housing Element as follows: "Adequate land to meet the housing needs of all income groups is essential to meet the current and future housing needs. Santa Ana is predominantly "built out" with limited potential for new residential construction. It is estimated that 153.9 acres of vacant land remains with the potential for residential development. In addition, 74.6 acres of land has been identified as underutilized with the potential of being redeveloped as additional housing. Maximizing opportunities for new affordable housing will require creative forms of housing development and quality site design." (pp. 10) This being the case, the replacement of the older affordable housing along Grand Avenue may not be replaced with comparable units in the City's general housing stock. No parcels along Grand Avenue are identified as either vacant or underutilized parcels in Exhibit C-2 of the Housing Element. Therefore, there is no identified policy or plan to replace the existing housing on the remainder parcels that would be created by the either Alternative 1 or 2. This does not necessarily indicate that the redevelopment of these parcels would not be residential. It only F: IPROJ-ENMGrand eirlNew Text - GrandlSection 6.0 -new. doe Page 6-5 Grand Avenue Widening Project Environmental Impact Report Section 6.0 indicates that there are no current intentions of doing so at the time of the Housing Element was updated. According to recently published United States Census 2000 findings (Los Angeles Times, Orange County Edition, July 11, 2000), the housing shortage in Orange County affects Santa Ana dramatically for a number of reasons. Santa Ana is the most populous city in Orange County and over the last decade its population increased, while it had a net loss of housing units. Santa Ana also has the highest average population per household (4.33) in the State (State average is 2.59 per household). In addition, with the overall shortage of housing in Orange County, the price of housing in all price categories is relatively high because of the demand. This pricing problem causes increases in densities in available housing especially in areas where there is an unmet need for low income and affordable housing. For these reasons, the loss of single and multiple family housing, and the displacement of over 260 residents as a result of the proposed Grand Avenue widening would only contribute to the already existing housing/rent/density problems that Santa Ana is already experiencing. Based on information from the City's Community Preservation Division (Housing Element, page A-18), approximately 8,000 multiple family and 8,600 single family units in the City are estimated to be substantially substandard and in need of repair. Finally, as discussed in the Housing Element, the cost of housing in much of southern California increased dramatically in the late 1980s and early 1990s. In addition, since the late 1990s, housing costs in southern California have again risen dramatically and, in early 2002, are continuing to experience regular substantial increases throughout much of southern California. As a result of this wide range of factors, the availability of moderately priced housing in the City of Santa Ana is substantially limited. Housing unit characteristics for the City for 1990 and 2000, for a variety of types of housing, are provided in Table 6-3. The Land Use Element EIR recognizes that public projects, such as the proposed Grand Avenue widening, may result in the acquisition of property which could result in the acquisition of residential units and the displacement of residents. The Land Use Element EIR specifically states that "Displacement impacts created by publicly funded projects under the proposed Land Use Element will be lessened by local and State relocation regulations." In summary, the Land Use Element EIR determined that the proposed Land Use Element would not result in any significant unavoidable adverse impacts related to population and housing. In support of the goals and policies in the Land Use and Housing Elements related to housing, there are a number of programs available through the City of Santa Ana and/or the County of Orange related to the provision and protection of decent and safe housing for all groups in the City, including: Section 8 Rental Assistance: This Federally funded program subsidizes rents to low income families, individuals, seniors and the disabled. F.-WROJ-ENMGrand eirWew Text - GrandlSection 6.0-new.doe Page 6-6 Grand Avenue Widening Project Environmental Impact Report Section 6.0 Senior Shared Housing_ Programs: This local program is designed to alleviate housing shortages for the elderly by matching seniors with extra rooms with seniors who either do not desire to, or who for medical reasons cannot, live alone. TABLE 6-1 SUMMARY OF LAND USE ELEMENT POLICIES RELATED TO POPULATION AND HOUSING Policy Number Policy Language 1.1 Promote medium density housing in and around the downtown area. 1.2 Support high density residential development within the City's District Centers as part of a master - planned mixed use development. 1.3 Support development of single-family residential lots on a minimum area of at least 6,000 square feet. 1.4 Maintain and foster a variety of housing types in the City. 3.4 Continue proactive Building and Health and Safety Code enforcement programs and activities. 3.5 Encourage new development and/or additions to existing development that are compatible in scale, and consistent with the architectural style and character of the neighborhood. 5.1 Promote development that has a net community benefit and enhances the quality of life. 5.2 Protect the community from incompatible land uses. 5.4 Support land uses that are consistent with the Land Use Plan of the Land Use Element. 5.5 Encourage development that is compatible with, and supportive of, surrounding land uses. 6.1 Support legislative and regulatory changes to the law concerning safe occupancy standards. 6.2 Support reducing the number of units in multiple -family developments by allowing the property owner to combine two or more units into a larger unit. Source: Land Use Element Santa Ana General Plan City of Santa Ana (Adopted February 2, 1998). TABLE 6-2 SUMMARY OF HOUSING ELEMENT POLICIES RELATED TO POPULATION AND HOUSING Policy Number Policy Language 1.1 Promote and encourage the rehabilitation of owner -occupied and rental housing units. 2.1 Facilitate the preservation of housing through reinvestment in private property. 2.2 Utilize code enforcement resources to assist in neighborhood preservation efforts citywide. 2.3 Discourage the intrusion of incompatible land uses into residential neighborhoods. 3.1 Develop strategies to preserve historically significant residential structures in the community. 4.1 Target areas in the City for the creation of new housing units and opportunities for all segments of the community. 5.1 Facilitate the preservation of government subsidized housing. 6.2 Encourage a balance of land uses that promote livable communities. Source: Housing Element (City of Santa Ana Planning Department, December 18, 2000). F: IPROJ-ENVIGrand eirlNew Text - GrandlSection 6.0 -new. doe Page 6-7 Grand Avenue Widening Project Environmental Impact Report Section 6.0 TABLE 6-3 SUMMARY OF HOUSING STOCK BY UNIT TYPE IN THE CITY OF SANTA ANA FOR 1990 AND 2000 Unit Type 1990 2000 Chane 1990 to 2000 Number of Units Percent of Total Number of Units Percent of Total Change in Number of Units 1990. to 2000 Percent Change 1990 to 2000 Single family, detached 32,990 44 33,056 44 66 0. Single family, attached 6,077 8 6,169 8 92 0 Multiple family, two or four units 7,304 10 7,094 10 -210 0 Multiple family, five or more units 24,772 33 24,806 33 34 0 Mobile homes 3,830 5 3,830 5 0 0 Total 74,973 100.0 74,955 100.0 -18 0 Source: Housing Element, City of Santa Ana, prepared by the planning Center (December 18, 2000). Estimates from the California Department of Finance. Neighborhood Improvement Program: This local program provides neighborhood associations and organizations with opportunities for involvement in sponsoring improvements to the local housing stock. Residential Rehabilitation: This federally and locally funded program provides low interest loans for the rehabilitation of mobile homes, and single and multiplefamily properties. Historical Rehabilitation Program: This State program offers deferred loans and rebates for the rehabilitation of historic structures, including structures used as residences. Homebuyer Assistance Programs: The City participates with the County to offer the federal mortgage credit certificate (MCC) program in the City. Local funds have been used to finance a loan-loss reserve fund, which assists qualifying homeowners in purchasing homes. Homeless Assistance Programs: This program, administered by the City of Santa Ana Housing Division, is based on the Comprehensive Homeless Assistance Plan. This Plan outlines a strategy developed by the City to address homeless issues at the local and regional levels. Density Bonus Program: This program allows developers to increase the density of their residential projects in exchange for the provision of affordable units over a specified period of time. Code Enforcement. The City has an active code enforcement program to identify zoning violations and code deficient housing units designed to reduce overcrowding, preserve F: IPROJ-ENVIGrand eirWew Text - Gran&Section 6.0-new.doc Page 6-8 Grand Avenue Widening Project Environmental Impact Report Section 6.0 the existing housing stock in a safe and standard condition, and preserve and enhance the quality of life. Tax Exempt Bond Financing: This program provides financial incentives for the construction of new single and multiplefamily residential projects or the acquisition and rehabilitation of multiple family properties to developers who provide affordable housing units. Infill Acquisition and New Construction: This local program is designed for the purchase of underutilized or blighted parcels for the purpose of developing affordable housing. These housing programs are described in more detail in the Housing Element (page 28). Consistent with the goals in the Housing Element, the City has actively pursued the construction of new housing and the preservation of existing housing throughout the City. Some of these efforts have included: ■ The acquisition and sale of land by the City of Santa Ana Redevelopment Agency for new multiple and single family housing including units to meet the special needs of the elderly. ■ The issuance of tax exempt bonds to finance the development of new housing for renters and owners. ■ The operation of a locally financed rehabilitation program targeted to homeowners. ■ The operation of a code enforcement program and a neighborhood improvement program which include graffiti removal; entryway treatments for neighborhood identification; marketing of rehabilitation loans in neighborhoods throughout the City; organization of neighborhood groups; and the preparation of neighborhood plans. ■ Financing and support of non-profit organizations for the construction and rehabilitation of residential units for low and moderate income residents. ■ The continued implementation of Federal and locally financed programs such as Section Housing Assistance and Residential Rehabilitation to meet other special housing needs. ■ The continued implementation of the density bonus program for housing units designated for low and very low income households. The City's active pursuit of various strategies to provide new housing and preserve/rehabilitate existing housing contributes beneficially to the amount and quality of housing throughout the City. The proposed Grand Avenue widening Alternative will require the acquisition of 20 single family residential units and 41 multiple family residential units and Alternative 2 will require the acquisition of 23 singe family residential units and 41 multiple family residential units, as shown in Table 6-4. Although the impacts on these housing units can be substantially reduced based on F.-IPROJ-ENVIGrand eirlNew Text- GrandlSection 6.0-new.doc Page 6-9 Grand Avenue Widening Project Environmental Impact Report Section 6.0 mitigation measures LP -2 and LP -5, described earlier in Section 3.2 (Land Use and Planting), the cumulative effect of the Grand Avenue project and other projects which result in the removal of housing in the City is significant and adverse. The City's proactive and extensive programs to provide new housing and protect existing housing will further mitigate adverse impacts on housing stock associated with projects throughout the City. Nonetheless, without continued additions of housing to the total housing stock, the cumulative effects of other projects and the Grand Avenue widening on the total number of housing units could result in a net reduction in the total number of housing units in the City. Therefore, it appears there is potential for the proposed Grand Avenue widening, when considered with other projects throughout the City, to contribute to a cumulative significant adverse impact on housing in the City which cannot be mitigated, with certainty, to below a level of significance, even with the benefits of the extensive housing related programs at the City. TABLE 6-4 SUMMARY OF TAKE OF RESIDENTIAL UNITS AND PARCELS FOR THE PROPOSED GRAND AVENUE WIDENING ALTERNATIVES Alternative 1 Alternative 2 Type of Parcel Full Takes Partial Takes Full Takes Partial Takes Single Family Residential Units 20 0 23 [3] 0 Multiple Family Residential Units [11 41 0 41 0 Multiple Family Residential Parcels [2] 5 0 5 0 Total Takes (Residential Parcels) 25 0 26 0 Total Takes (Dwelling Units) 61 0 64 0 [1] Estimated number of affected individual housing units. [2] Number of assessor's parcels containing multiple family residential units; each parcel contains at least two multiple family residential units. 3 This includes the parcel with Map reference No. 44 that has three single family units on one parcel. 6.2.5 CUMULATIVE IMPACTS RELATED TO GEOLOGICAL PROBLEMS Like the rest of seismically active southern California, the City of Santa Ana is subject to ground, shaking and other seismic hazards during an earthquake. Buildout of the Circulation and Land Use Elements would not introduce any new risks or hazards that are not already present in the City. In the event of a major earthquake, substantial damage to transportation and other public facilities could occur. These earthquake related impacts can be reduced by project specific mitigation, design standards and emergency preparedness programs. Other potential impacts related to geology, including liquefaction, subsidence, erosion, unstable soil, landslides, mudflows, fault rupture, ground failure, seiche, tsunami, volcanos and expansive soils, can also be avoided or substantially reduced based on project specific mitigation and design standards. Therefore, the Circulation and Land Use Elements will not result in cumulative adverse impacts related to geologic hazards. As discussed in the IS, the Grand Avenue area would be subject to seismic impacts similar to the rest of the City and southern California. The Grand Avenue widening would not result in significant adverse impacts related to liquefaction, subsidence, erosion, unstable soil, landslides, mudflows; fault rupture, ground failure, seiche, tsunami, volcanos and expansive soils. Therefore, the proposed widening of Grand Avenue would not contribute to significant cumulative adverse impacts related to geologic hazards. F.-IPROJ-ENMGrand eirWew Text- GrandlSection 6.0-new.doc Page 6-10 Grand Avenue Widening Project Environmental Impact Report Section 60 6.2.6 . CUMULATIVE IMPACTS RELATED TO WATER Buildout of the Land Use Element would increase the population and intensity of development in the City which would result in a greater demand for water. Significant reductions in groundwater resources may occur unless there is adequate recharge of groundwater or the use of imported water is increased. New development under buildout of the Land Use Element will be subject to flood hazards posed by the Santa Ana River, upstream dams and deficient storm drains. Implementation of storm drain improvements and planned River flood control projects would reduce these impacts. Therefore, these impacts are not anticipated. to be significant. The transportation improvements in the Circulation Element will not by themselves create demand for water. However, these projects will be exposed to flood hazards posed by the Santa Ana River, upstream dams and deficient storm drains. These impacts can be reduced with mitigation and are not anticipated to be significant. Therefore, the Land Use and Circulation Elements will not result in significant cumulative adverse impacts related to water resources. As discussed in the IS, the widening of Grand Avenue will not result in significant adverse impacts related to water quality and water related hazards. Therefore, this proposed widening project will not contribute to a significant cumulative adverse impact related to water quality and water hazards. 6.2.7 CUMULATIVE IMPACTS RELATED TO AIR QUALITY Implementation of the transportation improvements in the Circulation Element would improve the flow of traffic in the City. This is expected to beneficially reduce regional emissions from vehicles using the new or improved transportation facilities compared to the future baseline emissions without these circulation improvements. However, new land uses under the Land Use Element would increase traffic in the City which may lead to increased mobile source emissions near sensitive receptors. Specifically, these land uses would result in increases in long term regional emissions which exceed the South Coast Air Quality Management District (AQMD) quarterly standards for carbon monoxide (CO), total organic gas and nitrogen oxides. In addition, increased traffic associated with new development could increase congestion and, therefore, CO levels, and could impact sensitive receptors near heavily traveled streets. Overall, buildout of the Land Use and Circulation Elements could contribute to significant cumulative adverse impacts on air quality in the region. There are not anticipated to be significant short term construction related emissions associated with construction of transportation improvements under the Circulation Element. In the short term, construction related pollutant emissions associated with buildout of the Land Use and Circulation Elements may exceed the AQMD quarterly thresholds if multiple projects are constructed simultaneously. Sensitive receptors such as schools, hospitals and residences in close proximity to construction sites could be impacted by these emissions. Therefore, the short term air quality impacts associated with buildout of the Land Use Element are anticipated to be significant. Alternatives 1 and 2 will result in the generation of short term air emissions during construction which can be mitigated to below a level of significance. However, overall, buildout of the Land F.9PROJ-ENVIGrand eirWew Text - Gran&Section 6.0-new.doc Page 6-11 Grand Avenue Widening Project Environmental Impact Report - Section 6.0 Use Element and the construction of the widened Grand Avenue could potentially result in cumulative short term significant adverse impacts related to air quality if multiple projects are under construction at the same time. The cumulative air quality analysis for the proposed Grand Avenue widening, described earlier in Section 3.4 (Air Quality) compared the air emissions under this proposed project with the future No Project conditions and existing air quality. The analysis focused on CO emissions because CO is the pollutant of primary concern on roads. Future year CO concentrations are expected to be slightly higher under the No Project Alternative than under the proposed widening project for both the one and eight hour periods. CO concentrations at area intersections will be slightly lower in the future under the widening alternatives, compared to both the No Project Alternative and the existing CO levels at these intersections. Construction of the proposed widening would result in pollutant emissions that would not exceed the quarterly AQMD standards. The proposed project, which would result in improved traffic flows and level of service, would not result in significant adverse short or long term air quality impacts. Therefore, the proposed Grand Avenue widening would not contribute to significant cumulative adverse impacts on air quality in the region. 6.2.8 CUMULATIVE IMPACTS RELATED TO TRANSPORTATION The transportation improvements under the Circulation Element would result in increases in traffic volumes in and through the City of Santa Ana. Traffic congestion is anticipated to occur at 31 intersections in the City. Mitigation would reduce these impacts, but not to below a level of significance. Buildout of the Land Use Element will increase the number of vehicle trips traveling in and through the City which would contribute to traffic congestion on many roads and intersections in the City. Although road improvements and trip reduction programs would mitigate these impacts, traffic generated by buildout of the Land Use Element will result in a significant cumulative adverse traffic impact on roads in the City of Santa Ana and neighboring cities. Therefore, the cumulative traffic impacts associated with buildout of the Land Use and Circulation Elements are anticipated to be significant. As discussed earlier in Section 3.5 (Transportation and Circulation), the widening of Grand Avenue will not result in significant adverse impacts related to transportation and circulation except at one intersection which would operate at level of service F in the PM peak hour. The acquisition of partial parcels to accommodate the proposed cross sections under Alternatives 1 and 2 could result in the removal of some or all of the off street parking for the affected land uses. These impacts on parking can be mitigated to below a level of significance as described in Section 3.2 (Land Use). Therefore, the proposed Grand Avenue widening will not result in significant cumulative adverse impacts related to transportation and circulation. 6.2.9 CUMULATIVE IMPACTS RELATED TO BIOLOGICAL RESOURCES The future transportation improvements and land uses assumed under buildout of the Circulation and Land Use Elements in the City of Santa Ana would result in the loss of native and non-native F: IPROJ-ENVIGrand eirWew Text - Gran&Section 6.0-new.doc Page 6-12 Grand Avenue Widening Project Environmental Impact Report Section 6.0 plant and animal habitats in the area. The potential impacts on biological resources will be site specific and would require case by case evaluation. Compliance with applicable laws, including implementation of appropriate mitigation, would avoid these adverse impacts on biological resources or reduce them to below a level of significance. Therefore, buildout of the Land Use and Circulation Elements is not anticipated to result in significant cumulative adverse impacts on biological resources. As discussed in IS, the proposed widening of Grand Avenue will not result in impacts on biological resources. Therefore, buildout of the Land Use and Circulation Elements and the proposed Grand Avenue widening will not result in significant cumulative adverse impacts on biological resources. 6.2.10 CUMULATIVE IMPACTS RELATED TO ENERGY AND MINERAL RESOURCES Land use and transportation projects under the Land. Use and Circulation Elements would result in increased demand for energy and mineral resources for construction and operation of the various land and transportation uses. This increased energy consumption may cumulatively contribute to the depletion of regional resources. However, this additional demand is not anticipated to be significant when compared to the demand generated from development in all of southern California. In addition, energy consumption in the future will be more efficient as a result of a reduction in wasteful use and increased conservation consistent with the requirements of Title 24. Therefore, the cumulative energy and mineral resources impacts associated with buildout of the Land Use and Circulation Elements are not anticipated to be significant. As discussed in the IS, the construction of the proposed Grand Avenue widening would result in the use of fuel and energy in the short term. In the long term, energy resources would be required for lighting and motor vehicles travelling on Grand Avenue. These increases in demand are not anticipated to be significant and would be within the available capacity of existing energy resources in the region. In addition, the widening of Grand Avenue is anticipated to beneficially affect the demand for energy, particularly fossil fuels, as a result of increased operating efficiency on this road segment. The proposed widening of Grand Avenue will not result in significant adverse impacts on energy and mineral resources. Therefore, the proposed Grand Avenue widening, in conjunction with other land use and transportation projects, will not contribute to a cumulative adverse impact on energy and mineral resources. 6.2.11 CUMULATIVE IMPACTS RELATED TO HAZARDS Buildout of the Land Use and Circulation Elements will require emergency and disaster planning. Hazardous material explosions or spills may occur with commercial and industrial uses and other land uses that handle these materials, and during transportation of these materials on streets in Santa Ana. The handling, transport, storage and disposal of hazardous materials are strictly regulated. Monitoring by the City and other local agencies will ensure compliance with applicable regulations and the prevention of such hazards. Therefore, the potential impacts associated with buildout of the Circulation and Land Use Elements related to hazardous materials are not anticipated to be significant. F.- PROJ-ENVIGrand eirWew Text- GranWection 6.0-new.doc Page 6-13 Grand Avenue Widening Project Environmental Impact Report Section 6.0 Evacuation and emergency routes may be temporarily blocked during construction associated with buildout of the Land Use and Circulation Elements. These temporary impacts are not anticipated to be significant and are not expected to pose a risk to public health and safety. In the long tern, the transportation improvements in the Circulation Element will beneficially affect evacuation plans. Therefore, buildout of the Land Use and Circulation Elements will not result in significant adverse impacts related to emergency access and evacuation routes. The potential risks associated with the transport of hazardous materials on the project segment of Grand Avenue will not be substantially greater than the existing risk associated with the existing transport of hazardous materials on Grand Avenue and elsewhere in the City. Further, the handling, transport, storage and disposal of hazardous materials are strictly regulated. Therefore, the potential impacts of the proposed Grand Avenue widening related to hazardous materials are not anticipated to be significant. During construction, there is a potential for temporary impacts related to emergency and evacuation plans. However, in the long term, due to improved traffic flows, the widening of Grand Avenue will beneficially affect evacuation plans. Therefore, the proposed Grand Avenue widening, in conjunction with other land use and transportation projects, will not contribute to significant cumulative adverse impacts related to hazards. 6.2.12 CUMULATIVE IMPACTS RELATED TO NOISE Buildout of the Land Use and Circulation Elements would result in short term noise impacts associated with demolition, excavation and other construction activities. These impacts are temporary and can be partially mitigated with controls on construction time periods and equipment use. In the long term, buildout of the Land Use and Circulation Elements would increase noise levels on roads in the City and would adversely impact some sensitive land uses adjacent to these roads. Therefore, the Land Use and Circulation Elements would result in significant cumulative adverse noise impacts. As discussed earlier in Section 3.6 (Noise), noise levels in the Grand Avenue area will increase through 2020, with or without the proposed widening. Noise levels will increase 0.8 dBA by 2020 along Grand Avenue under the No Project and the build alternatives. Therefore, the proposed Grand Avenue widening will contribute to increased noise levels in the future in the Grand Avenue area to the same extent as would occur under the No Project Alternative. 6.2.13 CUMULATIVE IMPACTS RELATED TO PUBLIC SERVICES The transportation improvements under the Circulation Element will require additional street maintenance by the City of Santa Ana and additional crossing guards at intersections to provide for the safety of school children at intersections with heavier traffic volumes. However,'as discussed in Circulation Element EIR, these impacts are not anticipated to be significant. Buildout of the Land Use Element will increase the demand for fire protection, police, school and other government services in the City. The Santa Ana Police Department (SAPD) and the Santa Ana Fire Department (SAFD) will need to periodically review their needs and increase staffing and equipment, as the Land Use Element is built out. The increases in housing under the Land Use Element will result in adverse impacts on school services. Although these impacts will be reduced F.IPROJ-ENVIGrand eirlNew Text - GrandlSection 6.0-new.doc Page 6-14 Grand Avenue Widening Project Environmental Impact Report Section 6.0 with the payment of impact fees, they will not be reduced to below a level of significance. Therefore, the Land Use Element will result in cumulative significant adverse impacts related to public services. As discussed in the IS, the proposed Grand Avenue widening project is not anticipated to result in significant adverse impacts related to public services. There is anticipated to be a minor increase in the demand for fire protection and police services in the area as a result of the greater number of vehicles on this segment of Grand Avenue. This demand is within the service capacities of the SAFD and SAPD and, therefore, will not result in an adverse impact. The widening of Grand Avenue will not generate the demand for housing and, therefore, will not lead to an increase in the demand for school facilities. As documented in the IS, the Grand Avenue widening will not result in significant adverse impacts on public services. Therefore, the Grand Avenue widening will not contribute to a cumulative significant adverse impact on public services in the City of Santa Ana. 6.2.14 CUMULATIVE IMPACTS RELATED TO UTILITIES AND SERVICE SYSTEMS The transportation improvements under the Circulation Element would not result in significant adverse impacts related to natural gas, water, power, sewer, solid waste or communication services. Incremental increases in storm water runoff are anticipated. However, these increases are not anticipated to result in flooding and, therefore, are not significant. Buildout of the Land Use Element would increase the use of imported water and groundwater resources. Water conservation measures will reduce these impacts. New development will also increase sewage flow and may require the County Sanitation Districts of Orange County to expand its treatment facilities, which is a significant unavoidable impact of the Land Use Element. Buildout of the Land Use Element is not anticipated to result in adverse impacts on natural gas, storm drain or solid waste facilities. As discussed in the IS, the proposed widening of Grand Avenue is not anticipated to result in significant adverse impacts on public utilities. Therefore, the Grand Avenue widening will not contribute to a cumulative significant adverse impact on public utilities. 6.2.15 CUMULATIVE IMPACTS RELATED TO AESTHETICS Buildout of the Land Use Element will result in changes to the overall visual quality of the area and will create a more urban character in the City. Changes in land uses may result in new sources of light and glare which may impact adjacent sensitive uses. Compliance with the City's design and development standards would avoid or substantially reduce these potential adverse aesthetic impacts. Transportation improvements under the Circulation Element would result in wider roads and more paved areas which would change the visual quality of the area. City required setback requirements and the provision of landscaped medians would improve the visual quality of streets in the City. These potential aesthetic impacts under the Land Use and Circulation Elements are not considered to be cumulative significant adverse impacts. As discussed in the IS, the proposed Grand Avenue widening may result in new sources of light associated with new development and off street parking facilities. These impacts are not anticipated F: IPROJ-ENVIGrand eirWew Text - Gran&Section 6.0-new.doc Page 6-15 Grand Avenue Widening Project Environmental Impact Report Section 6.0 to be significant because all light fixtures and exterior finishes would be subject to the City's required design standards, development standards and landscape setback requirements. Therefore, the proposed Grand Avenue widening would not contribute to a cumulative significant adverse impact related to aesthetics, light and glare. 6.2.16 CUMULATIVE IMPACTS RELATED TO CULTURAL RESOURCES Buildout of the Land Use and Circulation Elements may result in the removal or disturbance of historic, archaeological and/or paleontological resources. These impacts will be substantially mitigated based on implementation of existing City policies regarding the preservation and protection of cultural resources. Therefore, the Land Use and Circulation Elements will not result in cumulative adverse impacts on cultural resources. As discussed in the IS, the proposed widening of Grand Avenue is not anticipated to result in any impacts on paleontological resources. As discussed earlier in Section 3.7 (Cultural Resources), the proposed Grand Avenue widening will not result in adverse impacts on archeological resources. As described in Section 3.7.4 (Impacts Related to Cultural Resources), Alternatives 1 and 2 will result in significant adverse impacts on residences at 702 and 714 North Grand Avenue which appear to be eligible for listing on the Santa Ana Register of Historic Property. Mitigation measure CR -7 would potentially avoid or partially reduce these impacts. In the event that the City cannot avoid acquisition of these properties, the impacts of Alternatives 1 and 2 on these resources, even with implementation of mitigation measure CR -7, would be significant, adverse and unavoidable. However, because the Land Use Element will not result in a cumulative adverse impact on cultural resources, the removal of these two structures under Alternatives 1 and 2 would not be expected to contribute to a cumulative significant adverse impact on historic resources throughout the entire City. Therefore, the proposed widening will not contribute to significant cumulative adverse impacts on cultural resources. 6.2.17 CUMULATIVE IMPACTS RELATED TO RECREATION Buildout of the Land Use Element would result in population increases which would increase the demand for parks and recreational facilities in the City. Existing recreational facilities in the City would accommodate some of this new demand. However, cumulatively, the demand for parks under buildout of the Land Use Element is anticipated to be significant because demand is anticipated to exceed the capacities of existing recreation facilities in the City. The transportation improvements proposed. under the Circulation Element will not result in significant increases in the demand for parks and other recreational facilities. During construction of transportation improvements, the continuity of bike paths and connectivity of recreational facilities may be affected. However, these impacts are temporary and are not anticipated to be significant. The potential extension of State Route 57 along the Santa Ana River greenbelt corridor could adversely affect this resource. As discussed in the IS, the proposed widening of Grand Avenue is not anticipated to increase the demand for recreational facilities as the project by itself will not increase population in the area. Therefore, although buildout of the Land Use and Circulation Elements will result in a significant F.- PROJ-ENVIGrand eirlNew Text - GrandlSection 6.0-new.doc Page 6-16 Grand Avenue Widening Project Environmental Impact Report Section 6.0 cumulative adverse impact on recreation resources, the proposed widening of Grand Avenue will not contribute to this impact. F.-TROJ-ENVIGrand eirlNew Text- GrandlSection 6.0 -new. doe Page 6-17 Section 7.0 MITIGATION MONITORING PROGRAM Grand Avenue Widening Project Environmental Impact Report Section 7.0 SECTION 7.0 MITIGATION MONITORING PROGRAM 7.1 PURPOSE On January 1, 1989, California State Assembly Bill 3180 (AB 3180) became effective. AB 3180 requires state and local agencies to adopt programs for monitoring and reporting of implementation of mitigation measures addressing significant adverse environmental impacts of projects agencies approve subject to the California Environmental Quality Act (CEQA). Consistent with the requirements of AB 3180 and the CEQA Guidelines, this Mitigation Monitoring Program (MMP) was developed by the City of Santa Ana for use in monitoring the implementation of the proposed Grand Avenue widening project. The City of Santa Ana has the authority to require and enforce the provisions of AB 3180 and the CEQA Guidelines consistent with its existing police powers. As lead agency for the environmental documentation for the proposed Grand Avenue widening, the City is also responsible for approving the MMP and for accepting the written report documenting completion of the implementation of the project mitigation measures. In general, the City of Santa Ana Public Works Agency (PWA) and Planning Department would be responsible for overseeing the implementation of these mitigation measures and for approving measures as complete. 7.2 DEVELOPMENT OF THE MMP The basis of the MMP is the mitigation measures identified as follows: ■ By environmental impact category in the Initial Study Environmental Checklist, as documented in Section 2.0 (Impacts Found Not to Be Significant Based on the Initial Study). ■ By environmental impact category as documented in Section 3.0 (Existing Conditions, Impacts and Mitigation Measures) of this Environmental Impact Report (EIR). After the circulation of the Draft EIR, these measures may be modified and/or new measures added, based on comments received during the public review period. The mitigation measures in the Final MMP will include all the mitigation measures in this Draft EIR as modified based on the responses to comments received on the Draft EIR, if any. 7.3 MITIGATION MONITORING PROGRAM FOR THE PROPOSED GRAND AVENUE WIDENING Table 7-1 provides the following information: A list of all mitigation measures from Section 3.0 of this EIR. Unless otherwise noted in the language of the measure, each of these measures applies to both Alternatives 1 and 2 for the proposed Grand Avenue widening. F.9PR0J-EA10Grand eiHNew Text- Gran&Section ZO-new.doc Page 7-1 Grand Avenue Widening Project Environmental LTeact Report Section 7.0 The schedule for implementation of each measure. The "Timing of Implementation" column specifies when each measure should be implemented. The timing of implementation may vary based on actual field conditions and the applicable laws, rules and/or regulations in effect at the time the proposed intersection enhancements are constructed. The City of Santa Ana Department or Departments responsible for reviewing and approving the documentation regarding implementation of each measure. The final report on the NUVT for the proposed Grand Avenue widening will be kept in the relevant project files at the City of Santa Ana PWA. 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D .�o°5'u �'.Y�yyoa b,❑'�S a ZiN on ya qaA� OA�.'nri U N d8 �•O�>k UHD 4 :bbC9 a oOU oOOpp p i-yai7 U .a. .ha' oI0, o o • w, }9 U"0' t'''�! 4;8 Uo4w ro oro � O 9aso�ao>ti M U U Vt U iO h A a� a A a 0 nm aai y H 6 ° ° O L7 U y nod 8 C A en � w° y 0 by 'U N � �❑Q V�, Vy t0 N � Y•i � .° � N d �TN� y H •17 � °; N y Ry �q' O O 0 O P U O y •w '''� •� o .0 a . k .� � .� a 0 ° a � .04� Y � o ro 077 L U U 00 O y y0y h N 2 UO b • X p X � U o .� .� ,� qq 3 T id Y b m o P ° a a t 'C w° d 4 9 �C ttl U A ul u; C7 kC Section 8.0 NO PROJECT ALTERNATIVE Grand Avenue Widening Project Environmental Impact Report Section 8.0 SECTION 8.0 NO PROJECT ALTERNATIVE 8.1 DESCRIPTION OF THE NO PROJECT ALTERNATIVE The No Project Alternative assumes the project segment of Grand Avenue would retain the existing four lanes in a cross section that varies in width from 80 to 110 feet wide and that no widening, bike lanes or other physical improvements would be constructed. Under this Alternative, existing conditions on the project segment of Grand Avenue would continue. The resulting cross section would not be consistent with the Major Arterial designation for this segment of Grand Avenue in the City of Santa Ana General Plan Circulation Element or with the adopted Bikeway Master Plan. This Section describes the potential environmental impacts associated with the No Project Alternative, focussing on the potential impacts of this Alternative for each environmental parameter. The Initial Study (IS) identified several environmental parameters which could potentially experience significant adverse impacts if one of the widening alternatives is implemented. These parameters are land use and planning, population and housing, air quality, transportation, noise and cultural resources, as evaluated earlier in Section 3.0 (Existing Conditions, Impacts and Mitigation Measures) for the widening alternatives. The following Sections describe the potential impacts of the No Project Alternative for these same parameters. The existing conditions in the study area, the analysis methodology and thresholds of significance for each parameter were described earlier in Section 3.0. At the end of this Section, the parameters determined in the IS not to be impacted under the widening alternatives are evaluated for potential impacts under the No Project Alternative. 8.2 IMPACTS OF THE NO PROJECT ALTERNATIVE RELATED TO LAND USE /\u179 A\u►1l�CeJ The No Project Alternative does not include any widening of the project segment of Grand Avenue. Therefore, this Alternative would not result in any right-of-way takes on this segment of Grand Avenue. No mitigation is required. The Southern California Association of Governments (SCAG) land use policies from the Region Comprehensive Plan and Guide were shown earlier in Table 3-3. The No Project Alternative was evaluated for consistency with each of these policies. As shown in Table 3-3, the No Project Alternative is consistent with each policy, except for Policy 3.03 and certain policies determined not to apply to this Alternative. Policy 3.03 is related to the timing of public improvements to implement regional growth policies. Because the No Project Alternative is not consistent with the City's General Plan Circulation Element, which is the City's plan for implementing transportation policies, it is not consistent with this SCAG policy. Mitigation to avoid this impact is the implementation of a widening alternative consistent with the Circulation Element. F: IPROJ ENVIGrand eirlNew Text - GrandlSection 8.0-new.doc Page 8-1 Grand Avenue Widening Project Environmental Impact Report Section 8.0 8.3 IMPACTS OF THE NO PROJECT ALTERNATIVE RELATED TO POPULATION AND HOUSING The No Project Alternative does not include any widening of the project segment of Grand Avenue. Therefore, this Alternative will not result in the acquisition of any residential units on this segment of Grand Avenue or in the displacement of any residents. No mitigation is required. 8.4 IMPACTS OF THE NO PROJECT ALTERNATIVE RELATED TO AIR QUALITY The No Project Alternative would not include any construction on Grand Avenue and, therefore, would not result in short term, construction related air emissions. No mitigation is required. As shown earlier on Table 3.4-2, existing carbon monoxide (CO) concentrations in the Grand Avenue area do not exceed the one and eight hour standards. In 2020, the No Project Alternative will result in increased CO levels, with the eight hour concentration at the intersection of Grand Avenue and Fruit Street approaching, but not exceeding, the standard. CO concentrations under the No Project Alternative would be greater at all three intersections for both the one and eight hour periods, compared to the with project conditions. The SCAG air quality policies, from the Regional Comprehensive Plan and Guide, were shown earlier in Table 3.4-4. The No Project Alternative was evaluated for consistency with each of these policies. As shown in Table 3.44, the No Project Alternative is consistent with policy 5.11. Policy 5.07 was determined not to apply to the No Project Alternative.. Therefore, the No Project Alternative will not result in adverse impacts related to SCAG air quality policies. No mitigation is required. 8.5 IMPACTS OF THE NO PROJECT ALTERNATIVE RELATED TO TRANSPORTATION As shown earlier in Table 3.5-6, the No Project Alternative will result in levels of service E or F in the PM peak hour in 2020 at the following intersections on Grand Avenue: Seventeenth Street I-5 northbound ramps Fourth Street There is no on street parking on the project segment of Grand Avenue. Therefore, the No Project Alternative will not result in impacts related to on street parking. No mitigation is required. The SCAG transportation policies, from the Regional Comprehensive Plan and Guide, were shown earlier in Table 3.5-7. The No Project Alternative was evaluated for consistency with each of these policies. As shown in Table 3.5-7, the No Project Alternative is consistent with each policy, except for policy 4.60 and certain policies determined not to apply to the No Project Alternative. Policy 4.60 is related to the projects that reduce dependency on single occupant vehicle travel. Because the No Project Alternative is not consistent with the City's General Plan, which is the City's plan for implementing transportation and land policies in the City, it is not consistent with this SCAG policy. FIPROJ-ENMGrand eirWew Text - Gran&Section 8.0-new.doc Page 8-2 Grand Avenue Widening Project Environmental Impact Report Section 8.0 Mitigation to avoid this impact is the implementation of a widening alternative consistent with the Circulation Element. 8.6 IMPACTS OF THE NO PROJECT ALTERNATIVE RELATED TO NOISE The No Project Alternative includes no construction on the project segment of Grand Avenue. Therefore, the No Project Alternative will not result in short term noise impacts. No mitigation is required. The No Project Alternative would result in increased noise exposure along the project segment of Grand Avenue in 2020, compared to existing conditions, as shown in Table 8-1 which compares the distances to the Community Noise Equivalent Level (CNEL) contours for existing conditions, the 2020 No Project Conditions and the 2020 with project conditions. The noise exposure under the No Project Alternative would be the same as under the with project conditions in 2020, as shown in Table 8-1. This level of increase would be perceptible to many listeners and would, therefore, be considered a significant adverse impact of the No Project Alternative. 8.7 IMPACTS OF THE NO PROJECT ALTERNATIVE RELATED TO CULTURAL RESOURCES The No Project Alternative will require no construction and will not result in an adverse impacts on cultural resources. No mitigation is required. 8.8 IMPACTS OF THE NO PROJECT ALTERNATIVE RELATED TO OTHER ENVIRONMENTAL PARAMETERS As described earlier, the IS Checklist, included in Appendix A of this Environmental Impact Report (EIR), indicated that the proposed Grand Avenue widening was determined to not result in a significant adverse impact or to result in an adverse impact which would be mitigated to below a level of significance for a number of environmental parameters. These parameters were evaluated for the No Project Alternative, to determine if the No Project Alternative could result in significant adverse impacts related to these parameters. Water: The No Project Alternative will not result in adverse impacts related to changes in absorption, drainage patterns or the rate and amount of surface runoff; the exposure of people or property to flooding; the quality and quantity of surface waters; changes to river or stream channels or currents; changes to surface water bodies; changes in the flow or direction of groundwater, the quality and quantity of groundwater, or groundwater recharge; or the use of groundwater supplies for public water uses. No mitigation is required. Air Quali : The No Project Alternative will not result in adverse impacts related to the alteration of air movements, moisture, climate or temperature in the area; and the creation of objectionable odors. No mitigation is required. F: IPROJ-ENMGrand eirWew Text- Gran&Section 8.0-new.doc Page 8-3 N }y W N N N N N 0 z O b OA L7 A3 C-4 00 xk' N N N N W (W� � N O �z a fa � b N F�[[ N a W N N ° V ° O �^ O N •� W 7 VMl Vl � v 0.l � �Fw b GO C4 W H Grand Avenue Widening Project Environmental Impact Report Section 8.0 Transportation: The No Project Alternative will not result in adverse impacts related to the Americans with Disabilities Act guidelines and adopted policies supporting alternative transportation modes; compatibility with adjacent land uses; impacts related to design hazards and emergency access; and rail, waterborne or traffic services or facilities. No mitigation is required. Biological Resources: The No Project Alternative will not result in adverse impacts related to endangered, threatened or rare species, locally designated species and natural communities, wetland habitats, or wildlife dispersal or migration corridors. No mitigation is required. Energy and Mineral Resources: The No Project Alternative will not result in adverse impacts related to adopted energy conservation plans or mineral resources. No mitigation is required. Hazards: The No Project Alternative will not result in adverse impacts related to vehicles carrying hazardous substances; risks associated with explosions or release of hazardous substances; emergency and evacuation plans; hazardous materials sites and other health hazards; asbestos containing building materials and lead based paint; and increased fire risk. No mitigation is required. Public Services: The No Project Alternative will not result in adverse impacts related to the demand for police and fire protection services and facilities; school facilities or school attendance; road maintenance costs for the City; and transit services. No mitigation is required. Utilities and Service Systems: The No Project Alternative will not result in adverse impacts related to existing electric, natural gas, telephone and cable communication lines, facilities and services; local or regional water treatment and/or distribution facilities; , sewage treatment facilities; domestic water pipelines, sewer lines and stormwater collection facilities; and solid waste disposal. No mitigation is required. Aesthetics: The No Project Alternative will not result in adverse impacts related to scenic vistas, scenic highways, light and glare. No mitigation is required. Cultural Resources: The No Project Alternative will not result in adverse impacts related to paleontological resources and unique ethnic cultural values. No mitigation is required. Recreation:. The No Project Alternative will not result in adverse impacts related to recreational facilities. No mitigation is required. 8.9 PROJECT OBJECTIVES The objectives of the proposed Grand Avenue widening project and the ability of the No Project Alternative to meet these objectives are described below: F:TROJ-ENVIGrand eirlNew Text- GrandlSection 8.0-new.doc Page 8-5 Grand Avenue Widening Project Environmental Impact Report Section 8.0 Objective 1: Improve the segment of Grand Avenue between Seventeenth Street on the north and First Street on the south to the City of Santa Ana General Plan Circulation Element and the Orange County Master Plan of Arterial Highways designations of Major Arterial for this road segment. The No Project Alternative would not meet this objective because it would not improve the project segment of Grand Avenue to the Major Arterial designation. Objective 2: Improve the flow of traffic on this segment of Grand Avenue in the City of Santa Ana, consistent with existing and forecasted traffic demand. The No Project Alternative would not meet this objective because it would not improve the flow of traffic on the project segment of Grand Avenue, consistent with existing and forecasted traffic demand. Obiective 3: Provide bike lanes on this segment of Grand Avenue, consistent with the adopted City of Santa Ana Bikeway Master Plan and the Orange County Master Plan of Bikeways. The No Project Alternative would not meet this objective because it would not provide bike lanes on this segment of Grand Avenue. Objective 4: Provide a cross section on the project segment of Grand Avenue compatible with the existing cross sections on Grand Avenue north and south of the project segment. The No Project Alternative would meet this objective because it would provide a cross section on the project segment of Grand Avenue compatible with the existing cross sections on Grand Avenue north and south of the project segment. Obiective 5: Provide a cross section on the project segment of Grand Avenue compatible with recent improvements at local intersections with Grand Avenue and the recent improvements to I-5. The No Project Alternative would meet this objective because it provides a cross section on the project segment of Grand Avenue compatible with recent improvements at local intersections with Grand Avenue and the recent improvements to I-5. F.- PROJ-ENMGrand eirWew Text - GrandlSection 8.0-new.doe Page 8-6 Section 9.0 LIST OF PREPARERS Grand Avenue Widening Project Environmental Impact Report Section 9.0 SECTION 9.0 LIST OF PREPARERS 9.1 CITY OF SANTA ANA David Biondolillo, Project Manager, Public Works Agency Dan Bott, Environmental Coordinator, Planning and Building Agency Maya DeRosa, Senior Planner, Planning and Building Agency Vince Fregoso, AICP, Senior Planner, Planning and Building Agency Manuel Gomez, Transportation Analyst, Public Works Agency Vicki Uehli, Redevelopment Project Manager III, Community Development Agency Cristine L. Shaw, Assistant City Attorney, City Attorney's Office Ruth M. Smith, Associate Engineer - Transportation, Public Works Agency Kylee Odette, Deputy City Attorney, City Attorney's Office 9.2 P&D CONSULTANTS, INC. Sylvia M. Salenius, AICP, Principal -in -Charge Christine Huard -Spencer, Senior Project Manager Romi Archer, Senior Environmental Planner Tony DeJuho, Environmental Analyst (No longer with P&D) Michele Goldman, Word Processing (No longer with P&D) Greg Graber, Environmental Analyst (No longer with P&D) Daryl Fisher, Word Processing Jose Mortero, Traffic Analyst (No longer with P&D) Jeff Post, Graphics Ron Siecke, P.E., Traffic Engineer (No longer with P&D) Shambhavi Rao, Environmental Analyst (No longer with P&D) 9.3 CULTURAL RESOURCES 9.3.1 DISCOVERY WORKS, INC. Beth Padon, Archeologist Theresa Grimes, Architectural Historian 9.3.2 SCIENCE APPLICATIONS INTERNATIONAL CORPORATION Leslie J. Heumann, Architectural Historian 9.4 MESTRE GREVE ASSOCIATES (Air Quality) Fred Greve, P.E. Tanya Moon F: IPROJ-ENMGrand eirWew Text- GrandlSection 9.0-new.doc Page 9-1 Grand Avenue Widening Project Environmental Impact Report Section 9.0 9.5 BRIDGENET CONSULTING SERVICES INTERNATIONAL (Noise) Paul H. Dunholter, P.E. Ted Lindberg, INCE F.IPROJ-ENVIGrand eirWew Text- GranMection 9.0-new.doc Page 9-2 Section 10.0 REFERENCES Grand Avenue Widening Project Environmental Report Section 10.0 SECTION 10,0 The following references were used in this preparation of the Environmental Impact Report (EIR) for the proposed Grand Avenue widening project: Archaeological Assessment of the Main Street Widening Project, City of Santa Ana, Orange County, California. Manuscript (Ms). on file, South Central Coastal Information Center (SCC), University of California at Los Angeles (UCLA), OR602 (Adella Schroth, 1981). Archaeological Reconnaissance for the Santiago Creek Specific Plan. Ms. on file, SCC, UCLA, OR778 (C. Drover, 1976). Archaeological Report on the Surveyed Logan Area of Santa Ana, California. Ms. on file, SCC, UCLA, OR332 (David M. Van Horn, 1978). Archaeological Survey Report for the Route 5/Route 55 Interchange in the Cities of Tustin and Santa Ana, Orange County, California. Ms. on file, SCC, UCLA, OR760 (John Romani, 1982). A Suggested Chronology for Southern California Coastal Archaeology. Southwestern Journal of Anthropology 11(3) (W.J. Wallace, 1955). California Department of Finance, Demographic Research Unit. "Table 2: City/County Population and Housing Estimates, January 1, 1998, County of Orange, Official State Estimates." California's Gabrielino Indians. Frederick Webb Hodge Anniversary Publication Fund 8, Southwest Museum, Los Angeles (B.E. Johnston, 1962). Chronology Building for Coastal Orange County, The Case from CA -ORA -119-A. Pacific Coast Archeological Society (PCAS) Quarterly 19 (2):1-34 (H.C. Koerper and C.E. Drover, 1983). Cultural Resources Survey Report for a Pacific Bell Mobile Services Telecommunications Facility: CM 001-15 in the City of Tustin, California. Ms. on file, SCC, UCLA, OR1655 (Roger D. Mason, 1997). Cultural Tradition and Ecological Adaptations on the Southern California Coast. Eastern New Mexico University Contributions in Anthropology 1(3):1-4 (C.N. Warren, 1968). Department of Transportation Archaeological SurvU Report for Category 4B and 5 Projects: Ramp Metering, By -Pass Lane, Auxiliary Acceleration Lane and Sound Walls in the City of Santa Ana Northbound Route 5 between Route 55 and Route 22 Interchanges. Ms. on file, SCC, UCLA, OR508 (Gene Huey, 1979). Description and Evaluation of Cultural Resources with the United States Army Corps of Engineer's Santa Ana River Project. Ms. on file, SCC, UCLA, OR270 (N. Nelson Leonard III and Matthew C. Hall, 1975). F: IPROJ-ENVIGrand ei,Wew Text - GranMection 10.0-new.doc Page 10-1 Grand Avenue Widening Project Environmental Report Section 10.0 Early Holocene Human Adaptation on the Southern California Coast: A Summary Re ou rt of Investigations at the Irvine Site (CA -Ora -64), Newport Bay, Orange County, Califomia. PCAS Quarterly 19 (3&4): 1-84 (C.E. Drover, H.C. Koerper and P. Langenwalter H, 1983). Excavations in Early Santa Ana: the OCTD Terminal Site (CA -ORA -1031H). Ms. on file, SCC, UCLA, OR797 (James P. Brock, 1985). Final Environmental hnyact Report No. 97-02 (EIR 97-02) Final Circulation Element State Clearinghouse (SCH) No. 97071055 (Parsons Brinkerhoff, January 5, 1998). Final Housing Element of the City of Santa Ana General Plan GPA 00-01 (December 18, 2000). "Gabrielino" in Handbook of North American Indians, Vol. 8, California, edited by R. F. Heizer, pp. 538-549. Smithsonian Institution, Washington, D.C. (L.J. Bean and C.R. Smith, 1978). Handbook of the Indians of California. Bureau of American Ethnology Bulletin No. 78. Smithsonian Institution, Washington, D.C. (A.L. Kroeber, 1925; Reprint, Dover Publications, New York, 1976). Historic Property Survey Route 1-5 Santa Ana Transportation Corridor, Route 405 in Orange County to Route 605 in Los Angeles County. Ms. on file, SCC, UCLA, OR814 (John Romani, 1982). In A Hundred Years of Yesterdays: A Centennial History of the People of Orange County and Their Communities, edited by Esther Cramer, Keith Dixon, Diann Marsh, Phil Brigandi and Clarice Blamer, pp 176-181. The Orange County Centennial, Inc., Orange County Register (Francelia B. Goddard and Allen W. Goddard, 1988). Phase It Archaeological Studies, Prado Basin and The Lower Santa Ana River. Ms. on file, SCC, UCLA, OR801 (Paul Langenwalter and Jim Brock, 1985). Post Pleistocene Archaeology 9000-2000 B.C. In Handbook of North American Indians, Vol. 8, California edited by R. F. Heizer, pp. 25-36. Smithsonian Institution, Washington, D.C. (W.J. Wallace, 1978). Preliminary Report on Archaeological Monitoring at the Orange County Transit District Santa Ana Transit Terminal Site, Santa Ana California (ORA -1031H). Ms. on file, SCC, UCLA, OR660 (James P. Brock, 1983). Preliminary Report of the Potential hnpact on Archaeological Resources of the Proposed Gas Transmission Pipeline from Los Angeles Harbor to Yorba Linda -Southern California Gas Co.: Environmental Analysis. Ms. on file, SCC, UCLA, OR1596 (William C. Clewlow,1974). F.IPROJ-ENMGrand eirlNew Text- GranMection 10.0 -new. doe Page 10-2 Grand Avenue Widening Project Environmental Report Section 10.0 Proto-Gabrielino Patterns of Territorial Organization in Southern Coastal California. PCAS Quarterly 7(2): 449-476 (D.T. Hudson, 1971). Results of an Archaeological Resource Literature Review, Field Survey and Report for the AT&T Anaheim to Mission Viejo Lightguide System, Santa Ana P.O.P. Diversity. Ms. on file, SCC, UCLA, ORI 703 (Michael E. Macko,1994). Revised Draft Circulation Element, City of Santa Ana Planning and Building Agency (January 21, 1998). Revised Final Environmental Impact Report No. 97-01 (Elk 97-01) Final Land Use Element SCH No. 97071058 (Parsons Brinkerhoff, January 21, 1998). The First Angelinos, The Gabrielino Indians of Los Angeles. Malki Museum PressBallena Press Cooperative Publication, Novato, California (William McCawley, 1996). The Village of Garden Grove, 1870-1905. Pioneer Press, Santa Ana, California (Leroy Doig, 1962). F.IPROJ-ENMGrand eirWew Text - Gran&Section 10.0-new.doc Page 10-3