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Central Contra Costa Sanitary District is soliciting bids for the Secondary Clarifier Immediate Improvements project. The work includes repairs on eight clarifiers, rebuilding two secondary clarifier drives, replacing anode discs and gates, and assisting with condition inspections of the secondary process system, with an estimated construction cost of $4.3 million. The project duration is 250 calendar days and requires bid, payment, and performance bonds as well as compliance with prevailing wage and DIR registration.
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Pain points mentioned in board meetings and strategic plans
Instantly outline and draft all requirements
Bring in your USPs and exploit competitor gaps
Starbridge can help you:
Get ahead of RFPs — target accounts planning budget or ending contracts soon
Accounts with contract expirations, meetings mentioning your product, grants, budget changes and more
Starbridge.ai books 30 - 40% of leads into meetings
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Work on which proposals are invited consists of construction of a new headworks facility, secondary clarifier improvements, and return sludge pump station improvements.
Posted Date
Nov 5, 2025
Due Date
Jan 7, 2026
Release: Nov 5, 2025
Close: Jan 7, 2026
Work on which proposals are invited consists of construction of a new headworks facility, secondary clarifier improvements, and return sludge pump station improvements.
AvailableWork includes demolition of existing secondary clarifiers no. 3 and 4 and piping as shown on contract drawings; provide and install all erosion control measures as shown in the contract drawings; excavation, backfilling, and restoration; construction of two new, cast-in-place concrete, 60-ft diameter secondary clarifier tanks. Clarifier tank components to include, but not limited to, new 304ss mechanism, control panel, center unit drive, and frp baffles and weirs; provide new 16" clarifier influent, 14" clarifier effluent, 8" sludge, and 6" scum and 6" drain below grade piping between the new clarifier and existing tie-in locations as indicated on contract drawings; provide new 8" ras and 6" was below grade piping per contract drawings;
Posted Date
Nov 21, 2025
Due Date
Jan 13, 2026
Release: Nov 21, 2025
Close: Jan 13, 2026
Work includes demolition of existing secondary clarifiers no. 3 and 4 and piping as shown on contract drawings; provide and install all erosion control measures as shown in the contract drawings; excavation, backfilling, and restoration; construction of two new, cast-in-place concrete, 60-ft diameter secondary clarifier tanks. Clarifier tank components to include, but not limited to, new 304ss mechanism, control panel, center unit drive, and frp baffles and weirs; provide new 16" clarifier influent, 14" clarifier effluent, 8" sludge, and 6" scum and 6" drain below grade piping between the new clarifier and existing tie-in locations as indicated on contract drawings; provide new 8" ras and 6" was below grade piping per contract drawings;
Wastewater treatment plant secondary clarifier drive rehabilitation.
Posted Date
Nov 21, 2025
Due Date
Jan 6, 2026
Release: Nov 21, 2025
Close: Jan 6, 2026
Wastewater treatment plant secondary clarifier drive rehabilitation.
AvailableProject consists of the demolition of the existing mechanical equipment for secondary clarifier numbers 1 and 2, the installation of new clarifier mechanisms and components, construction of a new flow distribution box with associated piping, and civil site improvements. See outside link.
Posted Date
Dec 18, 2025
Due Date
Feb 11, 2026
Release: Dec 18, 2025
Close: Feb 11, 2026
Project consists of the demolition of the existing mechanical equipment for secondary clarifier numbers 1 and 2, the installation of new clarifier mechanisms and components, construction of a new flow distribution box with associated piping, and civil site improvements. See outside link.
AvailableSurface intent from meeting minutes, budgets, and contract expirations. Influence RFP requirements before competitors ever see them.
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