NEWS & EVENTS       GET CERTIFIED       FIND SUBCONTRACTS

Shawna Garcia

Ravi Agrawal

50 Contractors Street
Livermore, CA 94551

(925) 245-2198

(925) 449-5875

Grayson & Walnut Creeks Levee Improvement at CCCSD Treatment Plant Project

7520-6B8348

Contra Costa County Flood Control and Water Conservation District

Martinez, Contra Costa County, CA

02/17/2026 at 02:00

We are Seeking quotes for the following items: Surveying, Trucking, Water Trucks, Sweepers, SWPP plan and inspections, Temp silt fence, Demolition, Removal of RR tracks, Minor concrete, Structural concrete, Hydroseeding, HMA Type A material, CIDH, Geo-instrumentation, Temp fence, CL fence, Ornamental fence, Construction area signs, Traffic control, Class 2 AB material, Electrical, Underground Utilities. The project consists of raising the western levee along Grayson Creek and Walnut Creek between State Route 4 to the south and BNSF railroad tracks to the north to increase the flood protection for the CCCSD wastewater treatment plant located in Martinez

Work includes placing and compacting levee fill, constructing concrete flood walls, reconstructing a concrete maintenance road, removing railroad tracks, replacing fence and gates, paving driveway conforms and adjusting and relocating various utilities.

At our discretion, 100% Payment and Performance bonds may be required as a subcontract condition. Please call if you need assistance in obtaining bonding, insurance, equipment, materials and/or supplies for this project. Plans and Specs are available via Box link. GBI is willing to breakout any portion of work to encourage DBE (Hispanic Americans, Black Americans, Native Americans, Asian-Pacific Americans, Subcontinent Asian Americans and Women) participation. If you require any assistance, please give Estimator Ravi Agrawal a call at 925-525-7947 and bids may be faxed to us at 925-449-5875. We are an equal opportunity employer.