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GPA No. 2020-07, AA No. 2020-05 - Westview Housing <br />January 19, 2021 <br />Page 7 <br />is anticipated to increase the number of average daily trips on 1611 Street and Huron Drive <br />by 83 trips per day. These additional trips would not substantially increase the total <br />number of average daily trips on the neighborhood streets. Therefore, the project is not <br />anticipated to result in a substantial increase to the neighborhood traffic conditions. The <br />project will be required to pay its fair share contribution to improvements at the <br />intersections of Westminster Avenue and Fairview Street, Mar Les Drive and Westminster <br />Avenue, and 161" Street and Fairview Street. <br />In addition, a Noise and Vibration study was prepared to analyze the potential noise and <br />vibration impacts of the construction and operation of the project including traffic. <br />Construction noise from the project would not exceed 90 dBA Leq during daytime <br />activities and would comply with the SAMC construction hours of 7:00 a.m. to 8:00 p.m. <br />Per the SAMC, the maximum exterior noise standard is 50 dBA and interior is 45 dBA for <br />residential properties. The project would generate noise from rooftop heating, ventilation, <br />and air conditioning equipment, delivery- and trash -hauling trucks, on -site vehicle <br />circulation and parking, and light outdoor recreation. To mitigate these impacts a 6-foot <br />high block wall will be around the project perimeter with an 8-foot high CMU wall <br />constructed between the playground area and adjacent single-family residence. <br />Mitigation Measures N-1 and N-2 require that the project incorporates exterior building <br />materials (windows, walls, and doors) with sufficient Sound Transmission Class ratings <br />to reduce interior noise levels below 45 dBA and sound attenuation features (i.e. double - <br />paned or laminated glass, plexiglass, or wood) to reduce exterior noise levels for all <br />private balconies/patios fronting Westminster Avenue and Fairview Street. Regarding <br />traffic noise, a fifty percent increase is required for an audible 3 dBA increase in traffic <br />noise levels. However, the increase in traffic generated by the proposed project would <br />only be approximately 1.5 percent, which would increase traffic noise by less than 0.5 <br />CNEL (less than 3 dBA). Therefore, operational noise generated by the project would not <br />exceed the SAMC noise standards and impacts would be less than significant with <br />implementation of the mitigation measures. <br />The project requires adoption of a Mitigation Monitoring and Reporting Program <br />(MMRP), which contains mitigation measures to address biological resources, cultural <br />resources, geology and soils, noise, and tribal cultural resources. <br />Community Outreach <br />The applicant held two outreach meetings prior to the Planning Commission hearing. In <br />addition, the applicant knocked on the doors of the properties that immediately abut the <br />site to overview the project, listen to concerns and provided their contact information as <br />an open line of communication. At the Sunshine meeting comments/concerns were raised <br />related to cut -through traffic on 16t" Street and Huron Drive, parking intrusion, building <br />heights/setback, the location of trash enclosures and overall management of the project. <br />The site has been designed so that there are no vehicular driveways along Huron Drive <br />therefore, reducing the number of vehicles that may travel through the local residential <br />streets to the project. An excess of 92 parking spaces (per State Housing law) are <br />