BOARD AGENDA MEMORANDUM
SUBJECT:
Title
Adopt Plans and Specifications and Authorize Advertisement for Bids for Construction of the Uvas Creek Levee Rehabilitation Project Phase 2, Project No. 62084001, Task No. 5175, Contract No. C0648, (Gilroy) (District 1).
End
RECOMMENDATION:
Recommendation
A. Adopt Plans and Specifications and Authorize Advertisement for Bids for Construction of the Uvas Creek Levee Rehabilitation Project Phase 2 per the Notice to Bidders; and
B. Authorize the Designated Engineer to issue addenda, as necessary, during the bidding process.
Body
SUMMARY:
Background and Project Description
During FY2018, the Watersheds Operations and Maintenance Division requested Watersheds Design and Construction Division to address the levee erosion caused by squirrels which burrowed holes along the levee slopes at Uvas Creek. Despite implementation of a long-term burrowing animal abatement program, animal burrows continue to persist throughout the levee's landside and riverside slopes along the entire length of the creek. If left unabated, the current condition could cause levee failure by sloughing, slumping, and/or piping through the levee during high storm events. To maintain the U.S. Army Corps of Engineers' "Acceptable" ranking for a certified levee, construction for Phase 2 of this Project is proposed for this year. The Phase 1 construction, which started in September 2018, is scheduled to be completed by May 2019. Phase 1 addresses levee conditions for the outboard slope of the levee, while Phase 2 addresses the inboard slope of the levee (Attachment 1).
This levee restoration project is being performed separately for the inboard slope and outboard slope phases, since California Department of Fish and Wildlife (CDFW) is claiming jurisdictional rights to the inboard slope of the levee (Phase 2) and has required the District to obtain a Streambed Alteration Agreement (SAA). To remain in good faith with the project construction sched...
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