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  5. ›Sodium Hypochlorite Tank Replacement Project

City of Richmond·California

Sodium Hypochlorite Tank Replacement Project

Closes 3/27/2026$2M – $5MInvitation for Bid
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Description

The City of Richmond is seeking a qualified contractor to replace three aging 10,300‑gal sodium hypochlorite (SHC) storage tanks at its Richmond Water Pollution Control Plant. The work includes demolition of existing tanks, associated piping, electrical and instrumentation, and installation of new double‑wall tanks with seismic restraints, new CPVC fill and discharge piping, valve and control systems, and full testing/commissioning while the plant remains operational. The contractor must provide all labor, materials, permits, safety plans, and coordination to ensure continuous SHC supply throughout construction.

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Dayne Johnson

[email protected]

Key dates

Opened
2/20/2026
Questions due
3/10/2026
Pre-bid meeting
3/3/2026Mandatory
Closes
3/27/2026
Duration
180 days

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
238220
Solicitation №
138615

Budget estimate

$2,000,000 – $5,000,000

Based on comparable municipal tank replacement projects, a three‑tank SHC replacement with demolition, new double‑wall tanks, CPVC piping, electrical controls, and required bonding/insurance typically falls in the $2‑5 million range. The estimate accounts for material costs (steel tanks, CPVC, valves, PLC), labor for demolition and installation, permitting, safety compliance, and a 10 % bid bond. Larger site constraints and the need to keep the plant operational could push costs toward the higher end.

AI estimate from the solicitation

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