BOARD AGENDA MEMORANDUM
SUBJECT:
Title
Adopt Plans and Specifications and Authorize Advertisement for Bids for the Phase 2A Construction of the Upper Llagas Creek Flood Protection Project, Project No. 26174052, Contract No. C0645 (Morgan Hill) (District 1).
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RECOMMENDATION:
Recommendation
A. Find the Phase 2A construction of the Upper Llagas Creek Flood Protection Project is substantially complex and requires a construction contract retention of 10 percent;
B. Adopt the plans and specifications and authorize advertisement for bids for Phase 2A construction of the Upper Llagas Creek Flood Protection Project, per the Notice to Bidders; and
C. Authorize the Designated Engineer to issue addenda, as necessary, during bidding.
Body
SUMMARY:
Santa Clara Valley Water District (Valley Water) is undertaking the Upper Llagas Creek Flood Protection Project (Project) in partnership with the U.S. Army Corps of Engineers (USACE) and the City of Morgan Hill (City) to provide 1% flood protection to approximately 1,100 homes and 500 businesses along West Little Llagas Creek, East Little Llagas Creek, and Llagas Creek. The Project is approximately 13.9 miles long and encompasses the City of Morgan Hill, City of Gilroy, and various unincorporated areas of Santa Clara County, including San Martin. (Refer to Project Map, Attachment 1).
Llagas Creek and its tributaries are part of the Uvas/Llagas Watershed, the area of land over which rain falls and then drains southward to the Pacific Ocean through Monterey County or into reservoirs for storage. The Uvas-Llagas Watershed is a 104-square-mile region that is distinguished by its agricultural lands and natural areas. Part of the larger Pajaro River Watershed, the creeks within this watershed are the only waterways in Santa Clara County that flow southward.
The Project consists of channel widening and deepening, instream improvements for wildlife and habitat, constructing box culverts, underground high flow bypass tunne...
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