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i Rr• l J a) Q CD C_ College Park at Mountain House Specific Plan H1 v Mitigation Monitoring and Reporting Program v Implementation&Verification C' .� Implementation Mitigation Measure Timing/Schedule Date c Responsibility Action �< Completed.. �• land uses,the operation of on-site landscape o maintenance equipment shall be limited to the �. least noise-sensitive periods of the day,between CD the hours of 7:00 a.m. and 10:00 p.m. CD 4.13-3 Noise—Increased Traffic Noise After construction S.ICCDD, in The project applicants shall implement the measures conjunction with the D _U identified below. developer < Before occupancy of the first residence at College Park,a noise barrier shall be constructed by the College Park developers between the five existing residences located on the north side of Grant Line Road between Central Parkway and the Alameda County line(Receptor 14 in Figure 4.13-2 of the FIR)and the northern travel lane of Grant Line Road.The noise barriers may consist of a wall,berm,or combination thereof.The exact location,height,and character of the noise barrier shall be determined by a noise consultant ' approved by the County.The sound barrier shall Q reduce outdoor noise levels at the center of the front yards of the five existing residences to o below 65 dBA Ldn/CNEL.If Grant Line Road is widened at this location subsequent to construction of the sound barrier but before removal of the five residences under Specific CL Plan II,the sound barrier shall be relocated, as CD M required.If the five existing residences are 0 removed under Specific Plan II before occupancy of the first residence under the College Park project,this mitigation measure shall not require cn mm implementation.This mitigation shall be funded 3 through fair-share payments by the College Park developers.