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Reso25 16295
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Reso25 16295
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4/29/2025 3:54:43 PM
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4/29/2025 3:53:44 PM
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CC Index
CC Index - Document Type
Resolution
Meeting Type
Regular
Agency Type
City Council
Date
4/28/2025
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<br /> <br /> <br />115 <br />project site and would be exposed to lower vibration levels.” This would be a less-than-significant impact, and no <br />mitigation would be required. <br /> Illingworth & Rodkin (pp. 32-33) did note that while damage to nearby buildings due to groundborne vibration from <br />Housing Component construction equipment would not be anticipated, “vibration levels may still be perceptible. <br />However, as with any type of construction, this would be anticipated and would not be considered significant, given <br />the intermittent and short duration of the phases that have the highest potential of producing vibration (use of <br />jackhammers and other high-power tools).” Illingworth & Rodkin recommended that to minimize perceptible <br />vibration, the City could ensure controls such as notifying neighbor of scheduled construction activities and restricting <br />hours of construction activities with high potential to produce perceptible vibration to hours with the least potential to <br />affect businesses and people. As a condition of project approval, the City shall require this component to incorporate <br />the administrative control measures for construction vibration recommended by Illingworth & Rodkin, and shall <br />require the applicant to submit a sample neighborhood notification prior to the start of construction activities likely to <br />result in perceptible construction vibration. <br /> Compliance with conditions of approval and the existing State and local regulatory framework would ensure the <br />groundborne vibration impacts of the Housing Component will be less than significant, and no additional mitigation <br />would be required. The Focused GPU program EIR evaluated construction and operational noise under similar <br />distances and conditions presented by the Housing Component. For the reasons discussed here, the Housing <br />Component would not create new impacts or increase impacts, and there is no new information of substantial <br />importance for CEQA purposes. <br />c. The subject site is located (on the fly) two and one-half miles from San Carlos Airport. According to the Focused <br />GPU program EIR (p. 4.13-44), the Focused GPU area “…is not located in any noise contour zone associated with <br />this airport [San Carlos Airport] and would not expose people residing or working in the Planning Area [Focused GPU <br />area] to excessive airport-related noise levels.” Illingworth & Rodkin (p. 33) noted that “the subject site lies outside <br />the noise contours for the San Carlos Airport, the Palo Alto Airport, and Moffett Federal Airfield.” Because the <br />subject site is outside the projected 55dB CNEL contour shown in the Redwood City General Plan (Figure PS-9: San <br />Carlos Airport Noise Contours, June 2002) and the San Mateo County Comprehensive Airport Land Use Plan (Exhibit <br />4-2: Future Conditions [2035] Aircraft Noise Contours), no significant impacts related to airport operations have been <br />identified related to the Housing Component and no noise mitigation would be required. Therefore, the Housing <br />Component would not result in new or more severe impacts with respect to airport noise than those identified in the <br />Focused GPU EIR, and there is no new information of substantial importance for CEQA purposes. This impact would <br />be less than significant. <br />CONCLUSION: <br /> With regards to the issue area of Noise and Vibration, the following findings can be made: (1) no peculiar impacts to <br />the Housing Component or its site have been identified, (2) there are no potentially significant effect or off-site and/or <br />cumulative impacts which were not discussed by the Focused GPU EIR, (3) no substantial new information has been <br />identified which results in an impact which is more severe than anticipated by the Focused GPU EIR, and (4) the <br />mitigation measure (Mitigation Measure Noise-1, pertaining to railroad tracks) contained within the Focused GPU <br />EIR is not applicable to the project component and therefore would not be required of the project component. Housing <br />Component noise impacts would be less than significant. For these reasons, the noise and vibration impacts of the <br />proposed Housing Component would be consistent with the impacts identified in the Focused GPU EIR and this <br />component does not require additional environmental review under CEQA Guidelines section 15183. <br /> <br />ATTY/RESO.0028/CC RESO CEQA GUIDLINES (920 SHASTA) - EXHIBIT A <br />REV: 04-22-25 VR <br /> <br />Page 115 of 148
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