Res04 14590 - Laserfiche WebLink

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Legend: Applicant = project applicant, City = City of Redwood City Page 63 May 18, 2004 WP9.01645tMMCHT645 ML.,4ITORING VERINuATION IDENTIFIED IMPACT RELATED MITIGATION MEASURE 6npl. Type of Impl. Monitoring and Timing Signature Date (CONDITION OF APPROVAL) Entity Action Verification Entity Requirements buildings or terrain. Noise levels at the design of the project residential structures facades of the uppermost residences would sufficient to maintain interior noise levels at be expected to be greater than 60 dBA CNEL or below City and State standards (45 L d „ ). due primarily to freeway and aviation noise, a This report shall be submitted to and noise environment in which "new residential approved by the Building Department prior construction or development should not be to issuance of a residential building permit. undertaken" according to the Redwood City Implementation of this measure would Strategic General Plan Noise Element and reduce this potential impact to a less -than- which is also considered incompatible with significant level. residential uses according to the San Carlos Airport Land Use Plan This condition would therefore represent a potentially significant impact. Impact 13 -2: Ground -Borne Vibration Mitigation 13 -2. Reduce ground -borne Applicant Incorporate City Prior to building Levels. Project construction would involve vibration levels during project construction identified ground- permit issuance pile driving of piles up to 95 feet in length (and by incorporating conditions in project borne vibration potentially longer, depending on project final construction agreements that stipulate the abatement design and engineering) (see subsection following ground -borne vibration abatement measures into 11.3.4 in chapter 11, Soils and Geology, of measures: construction. this EIR), which could result in ground -borne vibration levels that damage nearby structures Restrict vibration- generating or interfere with the enjoyment of daily construction activity to between the activities. This effect would be considered a hours of 7:00 AM and 7:00 pm, Monday potentially significant impact. through Friday. Prohibit such construction activity on weekends and holidays. Notify occupants of land uses located within 200 feet of pile - driving activities of the project construction schedule in writing. Pre -drill pile holes to minimize the number of percussions required to seat the pile. Implementation of these measures would reduce this potential impact to a less -than- significant level. Impact 13 -3: Project Demolition and Mitigation 13 -3. Reduce project Applicant/ Design and City Design prior to Construction Noise. Project demolition and demolition- and construction - period noise City implement building permit construction activities would temporarily impacts on nearby residences by construction- period issuance; Legend: Applicant = project applicant, City = City of Redwood City Page 63 May 18, 2004 WP9.01645tMMCHT645