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  5. ›Lester Water Treatment Plant Backwash Tank Rehabilitation

City of Corona·California

Lester Water Treatment Plant Backwash Tank Rehabilitation

Closes 6/16/2026$38k – $80kInvitation for Bid
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Description

The City of Corona is seeking qualified General Engineering contractors to rehabilitate the backwash tank at the Lester Water Treatment Plant. The work includes demolition, structural repairs, replacement of roof rafters, center column, shell supports, and application of interior/exterior protective coatings. The project will be executed in two phases; the first notice to proceed allows a 160‑day move‑in period, followed by a 70‑working‑day construction window timed to the plant’s winter shutdown. Successful bidders must provide a 10 % bid bond, 100 % performance and payment bonds, and comply with prevailing‑wage, DIR registration, and CARB fleet‑compliance requirements.

Attached files

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

Contact

Carol Appelt(Purchasing Department Contact)

[email protected]

(951) 279-3620

Key dates

Opened
4/28/2026
Questions due
5/19/2026
Pre-bid meeting
5/12/2026Mandatory
Closes
6/16/2026
Duration
7 months

Last updated

Details

Type
Invitation for Bid
Industry
Water Management and Sanitation
NAICS
237110
Solicitation №
NIB 26-026CA

Budget estimate

$37,500 – $80,000

The solicitation lists an estimated contract value of $750,000‑$800,000. Assuming a typical profit margin of 5‑10 % for large‑scale public‑works projects, the contractor’s net earnings would likely fall between $37,500 and $80,000. The final amount will depend on the awarded bid price, change orders, and any additional scope modifications.

AI estimate from the solicitation

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