Item 28 - GPA No. 2020-07, AA No. 2020-05 - Westview Housing

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GPA No. 2020-07, AA No. 2020-05 - Westview Housing December 14, 2020 Page 6 If the zone change is approved, site -specific objectives, policies and development standards will be used to guide the development of the proposed project such as setbacks, parking and height to allow the exclusive entitlement of the affordable housing project. The SD document has been drafted to be consistent with the project and prohibits future modifications to enlarge or reduce the size of the project. The zone change needs to be approved in conjunction with the proposed General Plan Amendment in order for the project to be consistent with the General Plan. California _Environmental Quality Act (CEQA) A Mitigated Negative Declaration (MND) including several technical studies (Air Quality, Green House Gas, and Energy modeling, Cultural Resource Assessment, Preliminary Geotechnical and Infiltration study, Phase I Environmental Site Assessment, Traffic Impact Analysis, Preliminary WQMP, Noise and Vibration) was prepared for the project. No areas of significance or unavoidable impacts were determined to occur from the construction or operation of the proposed project with the implementation of mitigation measures (Exhibit 1). The MND was available for public review and comment for 20-days as required by CEQA. A total of two comments were received: one from the Orange County Fire Authority and the second from a resident. Written responses to the comments were prepared and incorporated into the environmental document. As part of the MND and in response to comments received at the Sunshine meeting, a Traffic Impact Analysis prepared by Fehr & Peers and reviewed by the Public Works Agency. The study concludes that the project would generate 462 daily trips (31 a.m. peak trips and 37 p.m. peak trips). The study also analyzed if the project would substantially increase traffic on the adjacent residential streets (16th Street and Huron Drive). Although there is no direct vehicular access or egress to Huron Drive, the project is anticipated to increase the number of average daily trips on 16m Street and Huron Drive by 83 trips per day. These additional trips would not substantially increase the total number of average daily trips on the neighborhood streets. Therefore, the project is not anticipated to result in a substantial increase to the neighborhood traffic conditions. The project will be required to pay it's fair share contribution to improvements at the intersections of Westminster Avenue and Fairview Street, Mar Les Drive and Westminster Avenue, and 16tn Street and Fairview Street. In addition, a Noise and Vibration study was prepared to analyze the potential noise and vibration impacts of the construction and operation of the project including traffic. Construction noise from the project would not exceed 90 dBA Leq during daytime activities and would comply with the SAMC construction hours of 7:00 a.m. 'to 8:00 p.m. Per the SAMC, the maximum exterior noise standard is 50 dBA and interior is 45 dBA for residential properties. The project would generate noise from rooftop heating, ventilation, and air conditioning equipment, delivery- and trash - hauling trucks, on -site vehicle circulation and parking, and light outdoor recreation. To mitigate these impacts a 6-foot high block wall will be around the project perimeter with an 8-foot high CMU wall constructed between the playground area and adjacent single-family residence. Mitigation Measures N-1 and N-2 require that the project incorporates exterior building materials (windows, walls, and doors) with sufficient Sound Transmission Class ratings to reduce interior noise levels below 45 dBA and sound attenuation features (i.e. double -paned or laminated glass,