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MONITORING VERIFICATION iDEND IMPACT RELATED MITIGATION MEASURE Implementation Monitoring and Timing Signature Date ~ Enti Verification Enti Re uirements develepnoant is considered normally the buildings, in courtyards, or acceptatn noise environments of 70 d8A orienting the terraces to alleyways CNEL or s. rather than streets, whenever Future nee levels throughout much of the possible; Prease P.~bn area, especially in the vicinity of Air conditioning in all units so that the Caltr sine, would exceed 55 dBA windows can remain nosed to CNEL. d uses proposed within 250 feet maintain interior noise levels below "` of the C~tOain line, 120 feet from the 45 dBA CNEL; and centerl'sne of EI Camino Reai, or 100 feet from Veterans Boulevard, would be exposed to Sound-rated windows and noise levels of 70 dBA CNEL or higher, construction methods in residential thereby exposing new Precise Pian- units proposed along streets (or the designated, noise-sensitive residential, Caitrain line) where noise levels commercial, recreational, and public facility would exceed 70 dB CNEL. land use development to noise levels exceeding the "normalcy acceptable" Noise levels at residential property lines threshold. These possible long-term adverse around Plan-facilitated development should noise effects would represent a potentially be maintained at an l.~ not in excess of 60 significant impact. dBA during the daytime hours and 50 dBA during nighttime hours (10:00 PM to 7:00 AM), unless ambient noise levels are higher. In those cases, the ambient noise level would be the noise level standard. The approval of future commercial projects near Precise Plan area residential and other noise-sensitive uses may, ai City discretion, require a noise study demonstrating how the project-including assoc,7ated loading docks, refuse areas, and ventilation systems-would meet these standards. implementation of these measures to the satisfaction of the Redwood City Building Department would reduce the potential impact on new residential uses to a less- ihan-si niffcant level. arR Quau7v impact 12-1: Construction-Related Air Mitigation 12-1. For ail discretionary Individual City Condition of grading permit Qu~ Impacts. Demolition or construction grading, demakition, or construction activity project issuance; field verify acfi~rTies permitted and/or facilitated by the in the Precise Pian area, require applicants implementation during grading pro~S~ Downtown Prease Plan under both implementation of the following dust control and construction. the {ge~#num Intensify and Moderate tntensity measures by construction contractors, altef~a s may generate construction-period where applicable: exhmissions and fugitive dust that could temporarily but noticeably affect local During demolition of existing structures: Page 27 U:1My pocumentstDowntownn Precise Pfan1CC staff reportstCC 3.12. doe13.72.07 ExhibitsUlttachment A m+t.monitor~g ;,heck!is! 655.dcc