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Analysis Backaround On July 20, 2005, the applicants filed for a pre-application to subdivide four parcels into 117 residential lots. The tentative map did:not meet the County requirements for lot size or lot width. On February 1, 2006,,the applicants submitted a Development Title Text Amendment No. PA-0600065 to reduce the minimum lot size from 6,000 square feet to 5,000 square feet; reduce the minimum lot width from 60 feet to 50 feet; reduce the minimum corner lot width from 65 feet to 60 feet; and reduce the rear yard setback for a primary structure from 20 feet to 10 feet for the R-L zone. The Text Amendment was approved by the Board of Supervisors on September 26, 2006. On October 17, 2006,the applicants submitted the current application that reflects the new minimum requirements as approved by the Board of Supervisors. Noise Proposed noise sensitive land uses, such as residential uses, that will be impacted by existing or planned transportation noise sources are required to mitigate the noise levels from these transportation noise sources so that the resulting noise levels on the proposed noise sensitive residential land uses do not exceed sixty-five (65) dBL for exterior noise and forty-five (45) dBL for interior noise. (Development Title Section 9-1025.9) The Noise Contour Map indicates that the southern boundary of the project lies within a sixty-five decibel (65 dB) noise contour. Therefore, a noise study was required. A noise study was conducted by H. Lee McLeod. The study recommends a noise barrier wall constructed of masonry block or concrete that is at least six feet tall for all lots adjacent to N. Main Street. This recommendation is included as Condition of Approval 1.d. to ensure that the impact from noise on future residences will be less than significant. Council of Governments The Council of Govemments has determined that this project is subject to the San Joaquin County Multi- Species Habitat Conservation and Open Space Plan (SJMSCP). The applicant must either participate in the SJMSCP or provide alternative mitigation in an amount and kind equal to that provided in the SJMSCP. A pre-construction survey must be completed by a Council of Governments biologist prior to any ground disturbance. The applicant has agreed to participate in the SJMSCP. San Joaquin County PA-0500469\Caffese,Vasti Community Development Page 3