BOARD AGENDA MEMORANDUM
SUBJECT: Title
Report of Bids Received and Award of Construction Contract to Graniterock Company, in the sum of $603,050, for the Upper Guadalupe River Reach 6 Aquatic Habitat Improvement Project, Project No. 26154002, Contract No. C0660 (San Jose) (District 6).
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RECOMMENDATION: Recommendation
A. Ratify Addendum No. 1 to the Contract Documents for the Upper Guadalupe River Reach 6 Aquatic Habitat Improvement Project, per the Notice to Bidders;
B. Award the Construction Contract to Graniterock Company located in Watsonville, California, in the sum of $603,050; and
C. Approve a contingency sum of $60,305 and authorize the Chief Executive Officer or designee to approve individual change orders up to the designated amount.
Body
SUMMARY:
Project Background
In 2001, Santa Clara Valley Water District (Valley Water) approved the Upper Guadalupe River Flood Protection Project (Upper Guadalupe Project) to provide 100-year flood protection along about 6.4 miles of the Guadalupe River, extending from Interstate 280 to Blossom Hill Road, which forms the upstream limit of the river. The U.S Army Corps of Engineers (USACE) is leading the Upper Guadalupe Project and Valley Water is the non-federal or local sponsor. Due to limited federal funding, Valley Water constructed improvements at Reach 6 in 2010 and 2011 to provide capacity to convey the 100-year flow without overtopping of the banks. The Reach 6 improvements were implemented in conformance with approvals issued by the San Francisco Bay Regional Water Quality Control Board (RWQCB), National Marine Fisheries Service (NMFS), USACE Regulatory Division, California Department of Fish and Wildlife (CDFW), U.S. Fish and Wildlife Service (USFWS), and City of San Jose.
The RWQCB issued waste discharge requirements and water quality certification (Order R2-2003-0115) for the Upper Guadalupe Project in December 2003. Order R2-2003-0115 requires Valley Water to conduct several design improvem...
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