06 16 20 PWA_02_02 Exh2 - IS-MND

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LC A FAIRVIEW STREET IMPROVEMENTS FROM 9TH STREET TO 16TH STREET AND BRIDGE REPLACEMENT PROJECT J ``` CITY OF SANTA ANA, CALIFORNIA Table A.1: Response to Comments Respondent Comment Comment Response Number LOCAL AGENCIES L-1 Richard Vuong, Interim Deputy Director Orange County Public Works Service Area/Orange County Development Services 601 North Ross Street Santa Ana, CA 92701 May 5, 2020 L-1-1 Thank you for the opportunity to comment on the Notice of Availability of Draft Initial Study/Mitigated Negative Declaration for Fairview Bridge Replacements and Street Improvements. The County of Orange offers the following comments for your consideration. L-1-2 L-1-3 All work, within or adjacent to any Orange Flood County Flood Control District (OCFCD) right-of-way for flood control facilities, shall be conducted so as not to adversely impact a channel's conveyance, capacity, structural integrity, hydraulic flow conditions, access and maintainability. Furthermore, all proposed projects within OCFCD's right-of-way should be reviewed and approved by OC Public Works, and the work should be conducted only after an encroachment permit has been obtained. For information regarding the permit application process and other details, please refer to the Encroachment Permits Section link on OC Public Works' website http://www.ocpublicworks.com/ds/permits/encroach ment_permits It is acknowledged in the Draft Initial Study/Mitigated Negative Declaration provided a River Hydraulics Analysis as an appendix. However, the information provided was not detailed enough to confirm that the proposed project has minimal affects to the Santa Ana River. Detailed technical reviews and approvals for the proposed work will be accomplished within the permit process described above. In addition, all hydrologic and hydraulic studies must conform to the current guidelines and criteria as specified in the Orange County Hydrology Manual (OCHM), Addendum No.1 to the OCHM, and the Orange County Flood Control RESPONSE TO COMMENTS MAY 2020 This comment is introductory and introduces ensuing comments. The comment does not contain any substantive statements or questions about the environmental analysis or conclusions contained in the IS/MND or the analysis therein. Therefore, no further response is necessary. The City will obtain an encroachment permit from the County prior to commencement of construction. Section 1.0 Project Description, Item #10 (page 1-13) of the IS/MND, identifies the need for an encroachment permit from the County. As identified above, the City will obtain an encroachment permit from the County prior to commencement of construction. The City will provide the appropriate hydraulic calculations as part of the encroachment permit. 2 R:\WKE1702\ISMND\Final ISMND\Appendix G Fairview St Bridge Response to Comments.dou (05/26/20)