Item 09 - Fairview Street Improvement Project

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Analysis Supporting Categorical Exemption hazard to the public. The Proposed Project would also implement a traffic control plan; therefore, no significant impacts to emergency response or evacuation plans would occur. Therefore, the Proposed Project would have a less than significant impact regarding hazards and hazardous materials. 4.10 Hydrology and Water Quality The Project limits are confined to the relatively level Fairview Street. Regulatory permitting is not required because the Project would not place dredged or fill material into jurisdictional features, and would not alterany streambeds. Implementation of the Projectwouldnotalterthe existing drainage patterns of the Project Site. Neither water supplies nor long-term nearby water supply wells would be affected by the Project. Therefore, the Project impacts regarding hydrology and water quality would be less than significant. 4.11 Land Use and Planning The Project Site is located within a highly urbanized portion of the City of Santa Ana. The site is designated right-of-way and Low Density Residential by the City of Santa Ana General Plan (City of Santa Ana 2022). The Proposed Project would construct additional vehicle lanes and roadway enhancements along an existing street, which is consistent with its land use designation and current use. The Project would provide for an alternate means of controlling traffic along this half mile stretch of Fairview Street, and would not divide the established community. No impacts to land use and planning would occur. 4.12 Mineral Resources The Proposed Project is not located on land associated with past, current,or anticipated mining activities. Construction activities would occur within a previously disturbed site; as such the chance of discovering significant mineral deposits is unlikely. Further, excavation is not expected to reach native, undisturbed soils. No impact would occur. 4.13 Noise The main noise source associated with the Project would be the operation of equipment for onsite construction activities. Perthe City of Santa Ana Municipal Code Section 18-314, Special Provisions, noise associated with construction is prohibited between the hours of 8:00 p.m. and 7:00 a.m. on weekdays or Saturday,or anytime on Sunday or federal holidays. The City does not promulgate a numeric threshold pertaining to the noise associated with construction.This is because construction noise is temporary,short term,intermittent in nature,and would cease on completion of the Project. Furthermore,the City of Santa Ana is a developing urban community and construction noise is generally accepted as a reality within the urban environment.Additionally,construction would occurthroughout the Project Site and would not be concentrated at one point. As previously stated,the City limits the times that the construction can take place but does not assign a numeric threshold to construction noise. However, for full disclosure purposes, predicted construction noise levels were calculated utilizing the FHWA's Roadway Construction Noise Model. Due to the linear ECORP Consulting, Inc. 18 January 2025 Fairview Street Widening Project 2024-088.03 9-30