FCZ 3B - Walnut Creek and Grayson Creek Desilt

Project Description

Project No.:  7520-6B8334              

Project Description:  The work to be done generally consists of desilting approximately 130,000 cubic yards of sediment material along Walnut Creek channel from approximately 1200' north of Concord Ave to the Waterworld parking lot, and approximately 42,500 cubic yards of sediment material from Grayson Creek from Imhoff Drive to Chilpancingo Parkway.                                                                      

  • General Location: Martinez/Concord, CA
  • Supervisory District: #5       
  • Location: Walnut Creek Site Map (PDF), Grayson Creek Site Map (PDF)
  • Contract Cost (Est.): $7,000,000
  • Project Manager: Randolf Sanders
  • Bid Due Date: Spring/Summer 2023          
  • Funding Source: Flood Control Zone 3B funds
  • Working Days: TBD
  • Construction Date: Summer 2023

Project Links

  • Notice to Bidders (PDF)
  • Zoom Prebid Meeting Registration Link
  • Planroom
  • PS&E package
    Bidders List
    Q&A
  • Zoom Bid Opening Link
  • Bid Results (PDF)

Outreach Program: The bidder shall make a “Good Faith Effort”, and document this effort, to obtain sub-bid participation by MBE’s, WBE’s, OBE’s, SBE’s and LBE’s in accordance with the project special provisions to be eligible for award.  Bidders that have not attended a pre bid meeting in the last 12 months should attend the County pre bid meeting noted in the Notice to Contractors.  The pre bid meeting will include an overview of the Outreach Program requirements and staff will be available to answer your questions.