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Item 30 - EIR No. 2020-03 and GPA No.2020-06 Santa Ana General Plan Update
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Item 30 - EIR No. 2020-03 and GPA No.2020-06 Santa Ana General Plan Update
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Agenda Packet
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Clerk of the Council
Item #
30
Date
4/19/2022
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GENERAL PLAN UPDATE MITIGATION MONITORING AND REPORTING PROGRAM <br />CITY OF SANTA ANA <br />Mitigation Monitoring and Reporting Program <br />Page 20 PlaceWorks <br />Table 1-3 Mitigation Monitoring and Reporting Requirements <br />Mitigation Measure Timing <br />Responsible Implementing Party Responsible Monitoring Party <br />Document Location (Monitoring Record) <br />Completion Date <br />Responsible Monitoring Party Project Mitigation Monitor <br />background noise level or switch off back-up alarms and replace <br />with human spotters in compliance with all safety requirements <br />and laws. <br />• Erect temporary noise barriers (at least as high as the exhaust of <br />equipment and breaking line-of-sight between noise sources and <br />sensitive receptors), as necessary and feasible, to maintain <br />construction noise levels at or below the performance standard of <br />80 dBA Leq. Barriers shall be constructed with a solid material <br />that has a density of at least 4 pounds per square foot with no <br />gaps from the ground to the top of the barrier. <br />N-2 Prior to issuance of a building permit for a project requiring pile driving <br />during construction within 135 feet of fragile structures, such as historical <br />resources, 100 feet of non-engineered timber and masonry buildings <br />(e.g., most residential buildings), or within 75 feet of engineered concrete <br />and masonry (no plaster); or a vibratory roller within 25 feet of any <br />structure, the project applicant shall prepare a noise and vibration <br />analysis to assess and mitigate potential noise and vibration impacts <br />related to these activities. This noise and vibration analysis shall be <br />conducted by a qualified and experienced acoustical consultant or <br />engineer. The vibration levels shall not exceed Federal Transit <br />Administration (FTA) architectural damage thresholds (e.g., 0.12 inches <br />per second [in/sec] peak particle velocity [PPV] for fragile or historical <br />resources, 0.2 in/sec PPV for non-engineered timber and masonry <br />buildings, and 0.3 in/sec PPV for engineered concrete and masonry). If <br />vibration levels would exceed this threshold, alternative uses such as <br />drilling piles as opposed to pile driving and static rollers as opposed to <br />vibratory rollers shall be used. If necessary, construction vibration <br />monitoring shall be conducted to ensure vibration thresholds are not <br />exceeded. <br />Prior to the <br />issuance of <br />building permits <br />Project <br />Applicant/ <br />Developer <br />City of Santa <br />Ana Building <br />Safety Division <br />City of Santa <br />Ana Building <br />Safety <br />Division <br /> <br />N-3 New residential projects (or other noise-sensitive uses) located within <br />200 feet of existing railroad lines shall be required to conduct a <br />groundborne vibration and noise evaluation consistent with Federal <br />Transit Administration (FTA)-approved methodologies. <br />Prior to the <br />issuance of <br />building permits <br />Project <br />Applicant/ <br />Developer <br />City of Santa <br />Ana Building <br />Safety Division <br />City of Santa <br />Ana Building <br />Safety <br />Division <br />
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