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i Screening According to Development Title Section 9-1022.4[d], a solid masonry wall six (6) feet to seven (7) feet in height shall be required as the proposed residential use will abut a commercial project. As a result, a continuous solid masonry wall six (6) to seven (7) feet in height shall be erected along the northern property lines of Lots 3-11 (as depicted on Revised Tentative Map dated August 16, 2006) and the western property line of Lot 1. In addition, Development Title Section 9-1020.4(8) states street trees shall be required along street frontages where noise attenuation walls are required and shall either be placed in the yard or integrated with a serpentine wall. The applicant will need to depict the masonry wall and street trees on the subdivision improvement plan, indicating how the wall will be constructed. Also, the applicant will need to specify if a Homeowner's Association will be responsible for maintenance of landscaping contiguous to the wall. Noise Development Title Section 9-1025.9 lists the Residential use type as a noise sensitive land use. An Environmental Noise Analysis was prepared by Charles M. Salter Associates, Inc. on September 27, 2005. The first row of proposed residences facing Highway 12188 will be exposed to future traffic noise levels which exceed the 65 dB Ldn standard for San Joaquin County. In order to achieve the acceptable exterior noise level of 65dB (Development Title Section 9-1025.9), an eleven-foot barrier between Highway 12188 and Lots 1, 87-102, 108, 109, and 112-115 shall be constructed. Additionally, a five-foot tall barrier shall be required from Lots 3 through 20. Pedestrian Access The Tentative Map exhibits two pedestrian access areas, one entering into an alley and one pedestrian corridor entering onto Sierra Drive. The proposed corridor appears to consist of portions of Lots 86 and 87. The applicant will need to clarify what property lines comprise Lots 86, 87, and the proposed corridor and how both proposed pedestrian accesses will be maintained. Opposition Letters/ Traffic/ Park The Community Development Department has received six letters in opposition to the project. Specifically, neighbors have expressed concerns regarding traffic and a need for a park. A traffic study was prepared by Dowling Associates, Inc. on May 31, 2006 and included mitigation measures that will ensure any impacts due to traffic would be reduced to a less-than-significant level. The mitigation measures proposed are included in the Department of Public Works Conditions of Approval letter. With regards to a park, the Department of Parks and Recreation will require the collection of in-lieu fees for park development. Oak Trees The project site contains a number of heritage and native oak trees. The applicant has stated that he wants to preserve the oak trees. However, compliance with the requirement of a noise attenuation wall appears to conflict with the existing location of oak trees. The applicant will need to clarify if he is preserving or removing the trees. To protect and preserve heritage oak trees and native oak trees from development and construction activity the following condition of approval is recommended: 3