Laserfiche WebLink
MONITORING VERIFICATION <br /> IDENTIFIED IMPAC7 RELATED MITIGATION MEASURE Implementation Monitoring and Timing Signature Oate <br /> Performance Criteria Entit Verification Entit Re uirements <br /> Implementation of these and similar <br /> measures as necessary to meet City <br /> Noise Element guidelines (55 dBA <br /> CNEL at sensitive e�erior spaces) <br /> and Title 24 standards (45 dBA CNEL <br /> within residential units) would reduce <br /> the potential impac[ related to <br /> exposure to naise leveis exceeding <br /> standards to a less-than-significant <br /> level. <br /> Impact 11-2: DPP-Related Permanent Mitigation 11-2. Prior to the Individual project City Condition of <br /> Ground-8orne Vibration Impacts. development of new habitable applicants building permit <br /> Development under the DPP would not buildings within 100 feet of the issuance; field <br /> be expected to introduce any Caltrain or California High Speed Rail verify <br /> permanent new sources of significant right-of-way, a detailed site-specific implementation <br /> groundborne vibration. However, ihe vibration study shall be completed that during <br /> DPP wou►d perrnit new multifamily demonstrates that groundborne construction. <br /> residential development within 100 feet vibrations associated with rail <br /> of the Caltrain or California High-Speed operations eilher (1) would not exceed <br /> Rail tracks. Groundborne vibration applicable FTA groundborne vibration <br /> levels are iypically less than the FTA impact assessment criteria (see Table <br /> criteria for frequent events (72 Vd6} at a 11.6 of ihe DPP EIR), or (2) can be <br /> distance of approximately 100 feet or reduced to below the applicable FTA <br /> more from the centerline of the nearest criteria thresholds ihrough building <br /> tracks. However, where new residential desiyn and construction measures <br /> or other vibration sensitive uses are (e.g., stiffened floors, modified <br /> proposed within 100 feet or less of the foundations), which measures shall be <br /> nearest tracks, a potentially required by the City as condiiions of <br /> significani intermittenf vibration development approval. <br /> impact couid occur. Implementation of this measure would <br /> reduce this potentiaE intermittent <br /> vibration impact to a less-than- <br /> si nificant level. <br /> impact 11-3: DPP-Related Temporary Mitigation 11-3. Reduce ground- Individual project City Condition of <br /> Construction Ground-Borne borne vibration levels ihat may be applicants grading permit <br /> Vibration Impacts. Demolition and generated by future sile-specific issuance; field <br /> construction activities in the DPP area demolition and construction activities verify <br /> could c�enerate substantial temporary by imposing conditions of approvai on implementation <br /> ground-borne vibration (e.g., from pile all future projects involving demolition during grading and <br /> driving) exceeding standard vibration and conslruction activities, which construction. <br /> thresholds, which could interfere with conditions shall require the following <br /> normal activities or cause a nuisance ground-borne vibration abatement <br /> for or dama e to ad'acent ro erties. measures: <br /> .. <br /> Paqe 33 C:IDocuments and SettingsltpassanisALocal SettingslTemporary Mtemet FileslOLK49lmmcht (10671).doc <br />