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facades, would have direct line-of-sight to the roadway without any shielding from adjacent buildings. At the 65- foot setback, the rooms facing the eastern building facades would be exposed to future exterior noise levels ranging from 69 to 70 dBA Ld. Therefore, the first row of residences adjacent to Central Parkway would require sound-rated construction materials with the inclusion of adequate forced-air mechanical ventilation to achieve the 45 dBA Ldn. Attaining the necessary noise reduction from exterior to interior spaces is readily achievable with proper wall construction techniques; the selections of proper windows and doors, and the incorporation of forced-air mechanical ventilation systems. The mentioned noise insulation features would adequately reduce interior noise levels in all units to 45 dBA Ldn or less, satisfying the interior noise thresholds of 45 dBA for San Joaquin County. The above recommendations will be incorporated into the final design of the proposed residences. Therefore, any exposure to noise sources or excessive noise levels will be reduced to less than significant with i the above conditions for a noise wall and incorporation of sound rated construction materials. Affordable Housing Opportunities The proposed project would be developed primarily with attached single family homes, also referred to as'duets'. Of the 131 residential units, 124 would be duet homes and seven would be single family detached homes. The addition of duet homes would increase housing choice within the Mountain House community. The duets would also offer a more affordable single family housing product than a standard single family housing product. All homes would be two-story homes, ranging in size from approximately 1,600 square feet to 2,000 square feet of living area, with three to four bedrooms. Guest Parkinq/Off-Street Parking Areas Although there is no requirement for guest parking spaces in the Mountain House Development Title in the R-MH zone. The developer has included several areas on the project site for adequate off-street and guest parking. Pursuant to Development Title Section 9-310.5M(d)(2), the minimum setback for off-street parking areas in the (R-M!11) Medium-High Density Residential zones shall be fifteen (15)feet from any adjacent street. The proposed off-street parking areas meet this Development Title requirement and the residential development project provides for 72 guest parking spots. Consistency with Existing Approvals The project was reviewed for consistency with the General Plan, Mountain House Master Plan, and Specific Plan II documents. The residential development project was found to be consistent with these plans and the proposed tentative map was found to be consistent with these plans because: • It is supportive of, and consistent with, the policies in these documents regarding the compatibility of adjacent residential land uses; • It conforms to the applicable provisions of the Trimark Communities, LLC Single Family Residential Design Manual, as amended, including provisions concerning standards for site planning and landscape design, architectural styles, front and rear articulation, roof forms, porches, garage treatments, entry court gates, exterior lighting, and patio structures/gazebos; • No changes in jobs are expected that would adversely affect the number of jobs projected or the jobs/housing ratios anticipated for the community; • The number of lots proposed under the tentative map, and approved land use plan are consistent with overall density and land use plan described within Master Plan Section 3.2.6, Description of Planned Land Uses; and it does not increase the demand for public services. San Joaquin County (PA-1800118)\(Shea MH LLC) Community Development Page 9