USACE SPK DBB Construction - Calaveras Wastewater Treatment Plant Improvements

Estimated Value: $7,500,000
Open New 60 days left CaliforniaConstructionrfi
Oct 8, 2026
Dec 7, 2026 4:00 PM
Construction
rfi
237110
small business
AI Summary
This is a Sources Sought Notice for market research regarding potential construction services for improvements to the Copper Cove Wastewater Treatment Plant in Calaveras County, CA. The project involves installing a new filtration system, electrical upgrades, a new compressor building, a wet well and pump station, and demolition of existing equipment. The government is seeking to understand the capabilities of small businesses for a potential Design-Bid-Build (DBB) contract estimated between $5M and $10M, with a potential solicitation around December 2026.
Line Items
ItemQtyUnitEst. Unit PriceEst. TotalCategory
Installation of new continuous backwash filtration system (replacing existing filter system) 1 lot $1,500,000.00 $1,500,000.00 Construction
Electrical improvements (upgrading PG&E service, new transformer, raceways, metering panel, new MCC, wiring, components) 1 lot $750,000.00 $750,000.00 Construction
Interconnection with pre-existing CCWD-installed suspended air floatation (SAF) filter pretreatment system 1 lot $250,000.00 $250,000.00 Construction
Installation of new continuous backwash filter system (excavation, shoring, backfill for partially buried cast-in-place concrete tank with 3 filter cells, air control panel, grating, handrailing, inlet/outlet piping, valves, UV connection, power/control tie-ins) 1 lot $1,750,000.00 $1,750,000.00 Construction
Construction of new masonry compressor building on concrete slab foundation (housing duplex air compressor, space for additional unit, refrigerated air dryer, oil-water separator, air filter) 1 lot $1,000,000.00 $1,000,000.00 Construction
Construction of new wet well and submersible pump station (buried precast wet well, adjacent valve vault, duplex submersible pump station, valves, appurtenances, piping, power control conduits) 1 lot $1,250,000.00 $1,250,000.00 Construction
Demolition and disposal of existing adsorption clarifier and mixed media filter equipment 1 lot $500,000.00 $500,000.00 Construction
Dewatering of sludge handling facility solids in 3 containerized, polymer-assisted gravity sludge dewatering systems (concrete pad, containment walls, drainage systems, quick coupler hose connections) 1 lot $250,000.00 $250,000.00 Construction
Yard pipe modifications to connect new components to existing WWTP (buried in native or engineered backfill) 1 lot $250,000.00 $250,000.00 Construction
Estimated Bid Value$7,500,000.00

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