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Windsor SECONDARY TREATMENT SYSTEM UPGRADES PROJECT

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Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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The project involves comprehensive upgrades to the Water Reclamation Facility’s secondary treatment system, including dewatering and replacing the existing aeration basin with a new concrete structure equipped with a flow splitting system, air lines, diffusers, mixing equipment, surface wasting pumps, and a high flow return pump linked to an adjacent storage pond. Parallel construction includes a new blower building with integrated blowers and a dedicated electrical control building, as well as a separate carbon feed building containing chemical storage tanks and metering pumps. Additional work entails relocating a concrete sand filter high flow diversion structure and installing a below-grade secondary clarifier weir flow splitting system. The estimated duration is 482 working days, with progress tied to intermediate milestones. Funding may be partially sourced through the EPA’s WIFIA program, triggering specific compliance obligations for contractors and subcontractors outlined in Section 9 of the Special Provisions. Participation from disadvantaged, minority, women-owned, and small businesses is strongly encouraged under the SBA set-aside categories including SB, SDB, WOSB, DBE, and MBE certifications. Bid documents are accessible free of charge via www.buildingconnected.com with a login and via the Town of Windsor’s website after completing a short access form. The pre-bid conference occurred on January 14, 2026, and proposals are due by September 3, 2026, with the project location in California.

General Info

Upgrade Water Reclamation Facility with new aeration, blowers, control and carbon buildings, 482-day timeline, EPA WIFIA funding, DBE/SB/WOSB participation encouraged.

Agency

C. Overaa & Co.View Agency

NAICS

236220 - Commercial and Institutional Building ConstructionView NAICS

Place of Performance

CA, US

Set-Aside

SBA

Documents

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No documents available

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Timeline

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Organization & Contact Information

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AgencyC. Overaa & Co.
Contacts1 person available
OfficeN/A
Organization / Agency
C. Overaa & Co.
View Agency Profile
Office AddressN/A
Contacts
Anna Stein
contact@example.gov
+1 (555) 000-0000

Full Description

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Scope of work includes: The work consists of dewatering the Water Reclamation Facility’s aeration basin, further excavation and installation of a new concrete aeration basin facility with a flow splitting structure, air lines, diffusers, a mixing system, a surface wasting pumping system, and a high flow return pump connected to the adjacent high flow storage pond. In conjunction with the new aeration basin, a new blower building with internal blowers will be constructed with a separate electrical control building. Additional work includes a separate carbon feed building with internal tanks and chemical metering pumps, a below grade secondary clarifier weir flow splitting structure, and relocation of a concrete sand filter high flow diversion structure. Duration: 482 working days with Intermediate Milestones Disadvantaged Business Enterprise: DBE/DVBE/MBE/WBE/SBE participation is encouraged. Funding for this project may be provided in full or part through an agreement with the United States Environmental Protection Agency (EPA) Water Infrastructure Finance Innovation Act (WIFIA) program. Special attention should be directed to Section 9 of the Special Provisions, which outlines requirements for Contractors and Subcontractors based on this funding source. Pre Bid Conference: Has already passed on January 14, 2026 at 10:00AM Documents are available at no cost on www.buildingconnected.com, login is required. Electronic copies of the Contract Documents, including Proposal Forms, Plans, and Specifications will be available at no charge at the Town of Windsor website (https://www.townofwindsor.com/bids.aspx). Bidders will need to fill out a short informational form in order to gain access to the bid documents.

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