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c_) <br /> Potential Potential <br /> o <br /> Significance Significance <br /> Without Mitigation With N a <br /> Impacts Mitigation Mitigation Measures Responsibility Mitigation N, o <br /> 0 0 <br /> and aviation noise, a noise environment in which Department prior to issuance of a residential building .A n <br /> "new residential construction or development should permit. Implementation of this measure would <br /> not be undertaken"according to the Redwood City reduce this potential impact to a less-than- <br /> noise ordinance. This condition would therefore significant level. <br /> represent a potentially significant impact. <br /> Impact 13-2: Ground-Borne Vibration Levels. S Mitigation 13-2. Reduce ground-borne vibration Applicant LS <br /> Project construction would involve auger cast pile levels during project construction by incorporating <br /> installation,which could result in ground-borne conditions in project construction agreements that <br /> vibration levels that damage nearby structures or stipulate the following ground-borne vibration <br /> interfere with the enjoyment of daily activities. This abatement measures: <br /> effect would be considered a potentially significant <br /> impact. • Restrict vibration-generating construction <br /> activity to between the hours of 7:00 AM and <br /> 7:00 pm, Monday through Friday. Prohibit such <br /> construction activity on weekends and holidays. <br /> • Notify occupants of land uses located within 200 <br /> feet of auger cast pile installation of the project <br /> construction schedule in writing. <br /> Implementation of these measures would reduce this <br /> potential impact to a less-than-significant level. <br /> Impact 13-3: Project Demolition and S Mitigation 13-3. Reduce project demolition-and Applicant LS <br /> Construction Noise. Project demolition and construction-period noise impacts on nearby <br /> construction activities would temporarily elevate residences by incorporating conditions in project <br /> noise levels at adjacent residential receptors (Villas demolition and construction agreements that <br /> at Bair Island, Marina Pointe, Docktown)as well as stipulate the following City-required noise abatement <br /> at on-site residential areas constructed and measures: <br /> inhabited during earlier phases of the project <br /> construction period. Noise levels at 50 feet from the • Construction Plan. Prepare a detailed <br /> construction equipment source could reach construction plan identifying the schedule for <br /> approximately 105 dBA, resulting in intermittent major noise-generating construction activities. <br /> interference with typical residential activities. These The construction plan shall identify a procedure <br /> noise level increases could exceed the noise limits for coordination with adjacent noise-sensitive co D <br /> D <br /> S = Significant _ <br /> LS = Less than significant j -OD <br /> SU = Significant unavoidable impact 03(r) <br /> NA = Not applicable <br /> N <br /> T:I10695 Pete's Harbor EIR Addendumlrevised addendum no 2ITable 1-1(10695-01).doc <br />