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GENERAL PLAN UPDATE MITIGATION MONITORING AND REPORTING PROGRAM <br />CITY OF SANTA ANA <br />Mitigation Monitoring and Reporting Program <br />October 2021 Page 19 <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 />use of intake silencers, ducts, engine enclosures, and acoustically <br />attenuating shields or shrouds), wherever feasible. <br />• Impact tools (e.g., jack hammers and hoe rams) shall be <br />hydraulically or electrically powered wherever possible. Where the <br />use of pneumatic tools is unavoidable, an exhaust muffler on the <br />compressed air exhaust shall be used along with external noise <br />jackets on the tools. <br />• Stationary equipment, such as generators and air compressors <br />shall be located as far as feasible from nearby noise-sensitive <br />uses. <br />• Stockpiling shall be located as far as feasible from nearby noise- <br />sensitive receptors. <br />• Construction traffic shall be limited, to the extent feasible, to <br />approved haul routes established by the City Planning and <br />Building Agency. <br />• At least 10 days prior to the start of construction activities, a sign <br />shall be posted at the entrance(s) to the job site, clearly visible to <br />the public, that includes permitted construction days and hours, <br />as well as the telephone numbers of the City’s and contractor’s <br />authorized representatives that are assigned to respond in the <br />event of a noise or vibration complaint. If the authorized <br />contractor’s representative receives a complaint, he/she shall <br />investigate, take appropriate corrective action, and report the <br />action to the City. <br />• Signs shall be posted at the job site entrance(s), within the on-site <br />construction zones, and along queueing lanes (if any) to reinforce <br />the prohibition of unnecessary engine idling. All other equipment <br />shall be turned off if not in use for more than 5 minutes. <br />• During the entire active construction period and to the extent <br />feasible, the use of noise-producing signals, including horns, <br />whistles, alarms, and bells, shall be for safety warning purposes <br />only. The construction manager shall use smart back-up alarms, <br />which automatically adjust the alarm level based on the