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MONITORING VERIFICATION <br />IDENTIFIED IMPACT RELATED MITIGATION MEASURE Implementation Monitoring and Timing Signature Date <br /> Enti Verification Ent' Re uirements <br />development is considered normally the buildings, in courtyards, or <br />acceptable in noise environments of 70 dBA orienting the terraces to alleyways <br />CNEL_ or less- rather than streets, whenever <br /> possible; <br />Future noise levels throughout much of the <br />Precise Plan area, especially in the vicinity of Air conditioning in all units so that <br />the Caltrain line, would exceed 55 dBA windows can remain closets to <br />CNEL. Land uses proposed within 250 feet maintain interior noise levels below <br />of the Caltrain line, 120 feet from the 45 dBF~ CNEL; and <br />centerline of E1 Camino Real, or 100 feet from <br />Veterans Boulevard, would be exposed to • Sound-rated windows and <br />noise levels of 70 dBA CNEL or higher, construction methods in residential <br />thereby exposing new Precise Plan- units proposed along streets (or fhe <br />designated, noise-sensitive residential, Caltrain line) where noise levels <br />commercial, recreational, and public faality would exceed 70 dB CNEL. <br />land use development to noise levels <br />exceeding the "normally acceptable" Noise levels at residential property lines <br />threshold. These possible long-term adverse around Plan-facilitated development should <br />noise effects would represent a potentially be maintained at an L~ not in excess of ti0 <br />sigrrlticant Impact. dBA during the daytime hours and 50 dBA <br /> during nighttime hours (10:00 PM to 7:00 <br /> AM), unless ambient noise levels are <br /> higher. In those cases, the ambient noise <br /> level would be the noise level st<7ndard. <br /> The approval of future commercial projects <br /> near Precise Plan area residential and <br /> other noise-sensitive uses may, at City <br /> discretion, rE~quire a noise study <br /> demonstrating how the project--including <br /> associated loading docks, refuse areas, <br /> and ventilation systems--would meet these <br /> standards. <br /> Implementation of these measures to the <br /> satisfaction of the Redwood City Building <br /> Department would reduce the potential <br /> impact on new residential uses to a fess- <br /> than-si niflcant level. <br />AIR QUAL!'TY <br />Impact 12-1: Construction-Related Air Mitigation 12-1. For all discretionary Individual City Condition of grading permit <br />Quality Impacts. Demolition or construction grading, dernoliticn, or construction activity project issuance; field verify <br />activities permitted and/or facilitated by the in the Precis Plan area, require applicants implementation during grading <br />proposed Downtown Precse Plan under both implementation of the following dust control and construction. <br />the Maximum Intensity and Moderate Intensity measures by construction contractors, <br />aitematives may generate construction-period where applicable: <br />exhaust emissions and fugitive dust that <br />could temporarily but noticeably affect local During derraolition of existing structures: <br /> n <br />~~ <br />Page Z7 tJ:IMy Documenisltbwntown Precise Pian?CC staff reportslCC 3.12.doct3. 12.07 Exhibrtslfiftachment A mit. me~itorrng checklist 655.ddP D <br />