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MONITORING VERIFICATION <br />IDENTIFIED IMPACT RELATED MITIGATION MEASt1RE Implementation Monitoring and Timing Signature Date <br /> Enti VeriTieation Enti Re uirements <br />Impact 11-2: Precise Plan-Facilitated Mitigation 11-2. Reduce ground-borne Individual City Condition of grading permit <br />Ground-Borne Vibration Levels. Precise vibration levels during individual, site- project issuance; field verify <br />Plan implementation-related individual project specifc future project demolition and applicants implementation during grading <br />demolition and construction activities could construction periods by incorporating and construction. <br />generate substantial vibration (e.g., from conditions in individual project demolition <br />potential pile driving) in the project vicinity. and construction contractor agreements <br />These possible intermittent and short-term that stipulate the following ground-borne , <br />effects represent a pofentfafly signifrcant vibration abatement measures: <br />impact. <br />• Restrict vibration-generating activity <br /> to between the hours of 7:00 AM and <br /> 7:00 PM, Monday through Friday. <br /> Prohibit such activity on weekends <br /> and holidays. <br /> • Notify occupants of land uses located <br /> within 200 feet of pile-driving <br /> activities of the project construction <br /> schedule in writing. <br /> • Investigate in consultation with City <br /> staff possible pre-drilling of pile holes <br /> as a means of minimizing the <br /> number of percussions required to <br /> seat the pile. <br /> Implementation of these measures would <br /> reduce this potential intermittent and short- <br /> term Precise I'1an vibration impact to a <br /> less-than-sf nitfcani level. <br />Impact 11-3: Potential Exposure of New, Mitigation 11-3. Site-spedfic noise studies Individual City Condition of building permit <br />issuance; field veri <br />Precise Plan-Facilitated Noise-Sensitive <br />i consistent with the requirements of the <br />State Building Code (SBC) shall be project <br />applicants <br />implementation during <br />ng <br />Development to Noise Levels Exceed <br />Standards. The proposed Precise Pian conducted for all new Precise Plan- construction. <br />would facilitate new residential development facilitated residential uses in these <br />in downtown Redwood City. Associated new identified potential land use/noise <br />employees, and visitors could be <br />residents compatibility impact areas to identify <br />, <br />exposed to various existing and projected appropriate noise reduction measures to be <br />induding traffic and Caltrain <br />noise sources included in project final design. Each noise <br />, <br />operations. The compafibility of the Draft study must be submitted to and approved <br />Precise Plan proposed land uses with the by the Redwood City Building Department <br />existing and projected noise environment has prior to City issuance of a residential <br />been evaluated based on the Redwood Ciry building permit. Identi#ied noise insulation <br />Noise Guidelines for Land Use Planning (see measures may include: <br />EIR Table 11.4). New residential <br />development is considered normally <br />Site planning to minimize noise in <br />acceptable in noise environments of less than shared residental outdoor activity <br />areas by locating the areas behind <br />55 dBA CNEL, and new commercial or retail <br />(D <br />~~ <br />Page 26 t/.~iMy OocumentslDowntown Precise Pfan;CC statireportslCC 3.12doci3.12.07 ExhibitslAtfachment A mif.monftonng ct;eckfist 655.do6.O <br />