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09/09/2013 reach approximately 105 dBA, resulting in intermittent interference with typical existing residential and business activities, as well as any on-site sensitive uses developed during earlier phases of Precise Plan buildout. Construction noise could elevate noise levels at some locations (the nearest residences) by more than 5 dBA. Mitigation: Mitigation 13-2. Reduce project demolition- and construction-period noise impacts on nearby residences (including the Broadway Towers apartments and the mobile home park near the proposed recycled water pipeline route) and sensitive uses developed on the development site during earlier phases (e.g., child care center) by incorporating conditions in project demolition and construction contract agreements that stipulate the following conventional construction-period noise abatement measures: ■ Construction Plan. Prepare a detailed construction plan identifying the schedule for major noise-generating construction activities. The construction plan shall identify a procedure for coordination with nearby existing and on-site newly constructed noise- sensitive facilities so that construction activities can be scheduled to minimize noise disturbance. ■ Construction Scheduling. Ensure that noise-generating construction activity is limited to between the hours of 7:00 AM to 8:00 PM, Monday through Friday, and prohibit any construction during other hours which would cause any increase in ambient noise levels within a residential district. (Redwood City Municipal Code Section 24.32) ■ Construction Equipment Mufflers and Maintenance. Equip all internal combustion engine-driven equipment with intake and exhaust mufflers that are in good condition and appropriate for the equipment. ■ Equipment Locations. Locate stationary noise-generating equipment as far as possible from sensitive receptors when sensitive receptors adjoin or are near the construction site. ■ Construction Traffic. Route all construction traffic to and from the construction sites via designated truck routes where possible. Prohibit construction-related heavy truck traffic in residential areas where feasible. ■ Quiet Equipment Selection. Use quiet�: construction equipment, particularly air compressors, wherever possible. ■ Temporary Barriers. Construct solid plywood fences around construction areas to shield residences, operational businesses, or noise-sensitive land uses. • Temporary Noise Blankets. Temporary noise control blanket barriers should be erected, if necessary, along building facades or around construction areas. This mitigation would only be necessary if conflicts occurred which were irresolvable by proper scheduling. (Noise control blanket barriers can be rented and quickly erected.) ■ Noise Disturbance Coordinator. The City shall require project designation of a "Noise Disturbance Coordinator" who would be responsible for responding to any local ATTY/RE50.2901/STANFORD EIR CERTIFICATION RESO.#15294 REV:09-10-13 VR MUFF#100 Page 23 of 55