AgdaPkt 2016-04-25 Closed and Joint SA PFA

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7.B. - Page 113 Mitigation Monitoring and Reporting Plan from vacuum sweeping from entering the storm drain system. Wash water may be picked up by the vacuum unit. • All vehicle speeds on unpaved roads shall be limited to 15 mph. • All roadways,driveways, and sidewalks to be paved shall be completed as soon as possible. Foundations for the pump station,retaining walls,and pedestrian path shall be laid as soon as possible after grading unless seeding or soil binders are used. • Idling times shall be minimized either by shutting equipment off when not in use or by reducing the maximum idling time to 5 minutes, as required by the California airborne toxics control measure Title 13, Section 2485 of California Code of Regulations. Clear signage regarding idling time requirements shall be provided for construction workers at all access points. • All construction equipment shall be maintained and properly tuned in accordance with the manufacturer's specifications. All equipment shall be checked by a certified visible emissions evaluator. • The Contractor shall post a publicly visible sign with the telephone number and person to contact at the lead agency regarding dust complaints. This person shall respond and take corrective action within 48 hours. The Bay Area Air Quality Management District's phone number shall also be visible to ensure compliance with applicable regulations. Responsible Party: City of Redwood City oversight BIOLOGICAL RESOURCES Mitigation Measure BIO 1: Construction Scheduling The Contractor shall install a temporary cofferdam during low tide to reduce impacts to water quality and aquatic species. The Contractor shall schedule other construction actions to avoid effects to listed species and habitats,to the extent practical. Responsible Party: City of Redwood City oversight Mitigation Measure BIO 2: Pre-Construction Surveys and Buffers The City shall have a qualified biologist conduct pre-construction surveys for any endangered, special-status plant and animal species or migratory birds 72 hours prior to the commencement of pump station construction and again prior to the commencement of construction of the US 101 undercrossing project. If any migratory bird nests are detected, the City shall establish a buffer around the nest unless the California Department of Fish and Wildlife (CDFW) approves alternative measures. Typically a 50-foot buffer shall be set around any passerine/or non-passerine nests,and a 250-foot buffer shall be set around any raptor nest. Responsible Party: City of Redwood City Mitigation Measure BIO 3: Pre-Construction Surveys for Roosting Bats The City shall have a qualified biologist conduct pre-construction surveys for any roosting bats prior to the commencement of any construction activities under or within 100 feet of US 101 and July 15,2013 A-2 US 101 Pedestrian Undercrossing and Bair Island Storm Water Pump Station Project