Reso13 PC 13-24 2920 PC Reso-Adopt the Intitial Study MND - Undercrossing

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.N.£i�'ga�ion 1Vlo�aito�ing and I�eporting�'ldn from vacuum sweeping from entering the storm drain system. Wash water may be picked up by the vacuwn unit. • AIl vehicle speeds on unpaved roads shall be]lmited to 15 mph. • All roadways,drivewaps,and sidewalks to be paved sha11 be compieted as soon as possible. Foundations for the pump station,retain.itzg waZls,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�vhen not in use or by xeducing the maximum idling time to 5 minutes,as required by the California airborne toxics control measure Tide 13, Section 24$5 of California Code of Regulations. Clear signage regarding idling time requirements shall be provided for construction workets at all access points. • All construction equipment shall be maintained and properlp tuned in accordance with the manufacturer's specafications.All equipment shall be checked by a certified visible emissions evaluator. • The Contractor shall post a pubficlp visible sign with the teiephone number and person to contact at the lead agencF regatding dust complaints.This person shall respond and take corrective action within�8 houts. The Bay Area 1Lir Qua,lity Management District's phone numbex shail a.l.so be visible to ensure compfiance with applicable regulations. Responsible Party:City of Redwood City o�Tersight BIOLOGICAL RESOURCES Mitigarion Measure BIO 1: Construction Scheduling The Contractor shall install a temporary cofferdam during low tide to Yeduce impacts to water quaiity and aquaric species. The Contractor shail schedule otl�er construction actions to avoid effects to listed species and habitats, to the extent praciical. Responsible Party: City o£Redwood City oversight Mitigatian Measure BIO 2: Pre-Cos�struction Surveys and Buffers The City shall have a quaiified biologist conduct pre-construction surveys for any endangered, special-status plant and animal species or migrator�birds 72 hours prior to the commencement of pump starion constxucrian anc�again pxior to the commencement of construction of the US 101 undercrossing project. If anp migratory bird nests are detected, the City shall establish a i�uffer around the nest unless the Caiifornia Department of Fish and Wildlife (CDFW} approves alternative measutes. Typically a 50-foot buffer shall be set around any passerine/or non-passerine nests, and a 250-foot buffer shall be set axound any raptor nest. Responsible Party: City of Redwood City Mitigation Measure BIO 3: Pre-Cvnsttuct�on Surveys for Roasting Bats The City shall have a qualified biologist conduct pre-construcrion surveys for any roosting bats prior to the commencement of any construcrion activities uader or within 100 feet of US 101 and ��! �� ':'1 } _�l ' US 909 Pedestriara Us�dercro.rsing and 8air Island Stornr T�ater Pump Statian Project