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co 0 <br /> N O <br /> m College Park at Mountain House Specific Plan 1H <br /> Mitigation Monitoring and Reporting Program <br /> 5 RL <br /> 0W Implementation&'Vedcation <br /> o Implementation <br /> K Mitigation Measure Timing/Schedule Responsibility Action Date <br /> Completed <br /> —=s college uses,and 75 dBA CNEL for limited <br /> x industrial uses),a noise barrier shall be <br /> Nconstructed along the north side of I-205 by the <br /> CD College Park developers to protect the affected <br /> v' receptor(s).The required location,height,and <br /> character of the noise barrier shall be determined <br /> by a noise consultant hired by the County.This <br /> mitigation shall be funded through fair-share <br /> payments by the College Park developers. <br /> < Sound barriers could be constructed to protect the <br /> proposed land uses from future freeway noise <br /> levels.For instance,a sound wall 12 feet high <br /> located approximately 50 feet from the edge of I- <br /> 205 would reduce freeway noise exposure at the <br /> south property line of the proposed Delta College <br /> site to 69.8 dBA CNEL, which is below the <br /> significance threshold of 70 dBA L&/CNEL for <br /> this land use type.This level would also be less <br /> than the significance threshold of 75 dBA <br /> ° L&/CNEL for the proposed industrial/business <br /> park.A 12-foot sound wall would also reduce <br /> K freeway noise exposure at the nearest proposed <br /> S residences to 61.2 dBA L&/CNEL,not accounting <br /> �• for additional attenuation provided by the <br /> m <br /> intervening presence of the industrial/business <br /> n. park <br /> m <br /> 9' <br /> v <br /> M <br />