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MONITORING VERIFICATION IDEN7IFIED IMPACT RELATED MITIGATION MEASURE Implementation Monitoring and Timing Signature Date Performance Griteria Entit Verification Entit Re uirements City General Plan Noise E'lement land the DPP, to identify noise reduction during use/noise compatibility guidelines and measures necessary to achieve construcfion. State Tiile 24 standards. Under the compatibility wilh City Noise Element City's land useJnoise compatibility guidelines (55 dBA CNEL at sensitive guidelines, new residential development exterior spacesj and Tipe 24 is considered normally acceptable in standards (45 dBA CNEL within noise environments of �ess than 55 dBA residential units). Each noise study CNEL. Where projected future exterior must be approved by the City's noise levels exceed 60 dBA CNEL at Building Inspection Division prior to ihe location of a new muliifamily issuance of a building permit. residential development, interior noise Identified noise reduction measures, levels may exceed the State Title 24 in order of preference so that windows standard of 45 dBA CNEL. can be opened, may include: Future noise levels throughout of the ■ Site and building design so as to majority of the DPP area would exceed minimize noise in shared 60 dBA CNEL. New multifamily residential outdoor activity areas resideniial uses within about 300 feet of by locating such areas behind the the Caltrain line, 100 feet from the buildings, in courtyards, or centerline of EI Camino Real, or 200 orienting lhe terraces toward the feet from Veterans Boulevard, could be inlerior of lots rather than streets; exposed to noise levels of 7a dBA CNEL or higher, which would • Site and building design so as to substantially exceed ihe "normally minimize noise in the most acceptable" threshold. Also, residential intensively occupied and noise- uses located near nighttime sensitive interior spaces of units, entertainment venues, especially those such as bedrooms, by placing theatre and nightclub uses clustered such interior spaces and their now and as proposed by the windows and other openings i� "EntertainmenY' land use zone, could locations with less noise experience noise levels in excess of 60 exposure; dBA CNEL. The exposure of new multifamily residential development to • Windows and doors wilh a high noise levels exceeding City guidelines Sound Transmission Class (STC) and Slate Tille 24 standards would rating and noise-attenuating wall represent a potentially significant assemblies. impact. • Forced air mechanical ventilation systems in al) units exposed to noise levels exceeding Title 24 standards fo allow residents the option of reducing noise by keeping the windows closed. � n Page 32 C:IDocuments and Settings4lpassanisilCocal SettingslTemporary lntemef �iles10LK491mmcht {1067?).doc