This Government Contract opportunity from California was posted on August 27, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Sanitary Sewer Main Installation (Open Cut)

Closed

State & Local

Submission Closed09/25/2026, 09:00:00 PM UTC

Contract Overview

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

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NAICS: 237110

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IEUA RMPU Basin Improvements Project Montclair Basin Improvements

Solicitation # ieua-rmpu-basin-improvements-project-montclair-basin-improvements

The IEUA RMPU Basin Improvements Project involves construction improvements at Montclair Basin 2 and 3 in Chino, California. The primary objective is to divert available storm flows from the San Antonio Creek Channel into existing basins to facilitate groundwater recharge. The scope of work is comprehensive, requiring all materials, labor, tools, equipment, and transportation necessary to furnish, install, commission, and deliver a fully functional project for the Inland Empire Utilities Agency Recharge Master Plan Update. Norstar Plumbing and Engineering, Inc. is seeking certified DBE, MBE, SBE, and WBE subcontractors and suppliers to support various project needs. Required specialty trades and services include civil and site work such as grading, demolition, saw cutting, cold planing, and trucking, as well as the installation of concrete pipes and structures. Additional requirements include electrical work, welding, traffic control, SWPPP, construction surveying, and preconstruction video services. The bid deadline for this solicitation is October 29, 2026, at 2:00 PM.

Norstar Plumbing and Engineering, Inc

POSTED

DEADLINE

Morgans Branch Force Main and Pump Station Improvements

Solicitation # SRP-W-134-0290

The Morgans Branch Force Main and Pump Station Improvements project, solicitation number SRP-W-134-0290, is a construction contract for the City of Belmont, North Carolina, with a project estimate of $16,690,000. The scope of work involves the construction of 16,435 linear feet of new 20-inch ductile iron force main and comprehensive upgrades to the Morgans Branch Pumping Station. Key deliverables include the installation of a new wet well, valve vault, and associated appurtenances, as well as the demolition of existing pumps and piping. The project also encompasses the installation of new gravity sewers, manholes, and a fully operational pumping station equipped with mechanical and electrical systems, a generator, odor control equipment, and stormwater facilities. The contract will be awarded to the responsible bidder submitting the lowest responsive bid, with a substantial completion timeline of 560 calendar days. Bidders must provide a bid bond using form EJCDC C-430 and submit required MWBE documentation, including a Good Faith Efforts Form and Table A. The project is administered by Willis Engineers, who serve as the Owner's Representative. Payment is processed via Applications for Payment, with payments becoming due 30 days after presentation to the owner. Technical standards for the work include compliance with AWS D1.2 for welding, NEMA standards for motors, and ASTM C 1093 for masonry testing.

Don Moorhead Construction, Inc.

POSTED

DEADLINE

WC 1456 Lead Pipe Inspection

Solicitation # wc-1456-lead-pipe-inspection

Spiniello Companies is seeking quotes from Minority and Women-Owned Business Enterprises for the City of Baltimore Department of Public Works project WC 1456, which focuses on lead pipe inspection and replacement in Maryland. This solicitation is open to various small business set-asides, including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone certified businesses. While the primary NAICS code is 237110, the project also considers codes 237310, 561990, 238910, 541730, and 237990. Interested parties must submit their quotes to [email hidden] by the response deadline of November 4, 2026. For further inquiries, the primary point of contact is Katherine Snider.

POSTED

DEADLINE

Recharge Master Plan Update (RMPU) Basin Improvements Project Montclair Basin Improvements

Solicitation # recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin-improvements

The Recharge Master Plan Update Basin Improvements Project focuses on infrastructure enhancements for the Montclair Basin located in San Bernardino County, California. Commissioned by the Inland Empire Utilities Agency and managed through Big Ben Engineering, this solicitation is identified by contract number IFB-JV-26-015 and falls under NAICS code 237110 for heavy and civil engineering construction. This opportunity is specifically set aside for small businesses. Interested parties must adhere to a tight timeline, with the solicitation posted on October 27, 2026, and a response deadline of October 29, 2026. Primary coordination for the project is handled by Sep Sharifi at Big Ben Engineering.

POSTED

DEADLINE

Greenfield Wastewater Treatment Plant Upgrade Project

Solicitation # greenfield-wastewater-treatment-plant-upgrade-project-0

The City of Greenfield is seeking bids for the Greenfield Wastewater Treatment Plant Upgrade Project, identified by contract number 2026-03. Located in Monterey, California, this solicitation is managed by Anderson Pacific Engineering Construction, Inc. under NAICS code 237110. The project is specifically set aside for small businesses, including SBA certified Women-Owned Small Businesses, HUBZone Small Businesses, SAM.gov designated Small Disadvantaged Businesses, and Department of Transportation Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 10, 2026. Inquiries and submissions should be directed to the Estimating Department at Anderson Pacific Engineering Construction, Inc. via email or phone. Detailed information regarding the solicitation can be accessed through the provided agency links.

Anderson Pacific Engineering Construction, Inc.

POSTED

DEADLINE

AMERICAN BOTTOMS RWTP – SLUDGE HANDLING FACILITY

Solicitation # american-bottoms-rwtp-sludge-handling-facility

River City Construction, LLC is seeking qualified subcontractors for the American Bottoms RWTP Sludge Handling Facility project located in Illinois. The comprehensive scope of work includes site work, earthwork, utilities, concrete, masonry, and the installation of various systems such as plumbing, HVAC, and electrical. Additionally, the project requires the installation of specialized process equipment, including material processing and handling, gas and liquid purification and storage, and water and wastewater equipment. This solicitation is specifically targeted toward Small Business Enterprises (SBE), Disadvantaged Business Enterprises (DBE), Minority Business Enterprises (MBE), Women's Business Enterprises (WBE), Service Disabled Veteran Owned Businesses (SDVOB), and Veteran Owned Businesses (VOB). To be considered, bidders must submit their status certification along with their proposal. Awards will be based on the lowest responsive bid received. The bid opening is scheduled for November 5, 2026, at 2:00 PM. Interested parties must request access to bid documents via email to receive an invitation to the SmartBidNet system.

River City Construction, LLC

POSTED

DEADLINE

BOZEMAN WATER RECLAMATION FACILITY PHASE 1 IMPROVEMENTS

Solicitation # bozeman-water-reclamation-facility-phase-1-improvements

PROSPECT CONTSTRUCTION, INC.

POSTED

DEADLINE

MWWTP Secondary Reactors Rehabilitation, Phase 2

Solicitation # mwwtp-secondary-reactors-rehabilitation-phase-2-0

The MWWTP Secondary Reactors Rehabilitation, Phase 2 project, identified by contract number SD-462, involves rehabilitation work located in Oakland, Alameda, California. The project is owned by the East Bay Municipal Utility District and is being managed by Anderson Pacific Engineering Construction, Inc. under NAICS code 237110. This solicitation is specifically set aside for small businesses, including SBA certified Women-Owned Small Businesses, SAM.gov designated Small Disadvantaged Businesses, and Department of Transportation Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 18, 2026. Inquiries regarding the project should be directed to the Estimating Department at Anderson Pacific Engineering Construction, Inc.

Anderson Pacific Engineering Construction, Inc.

POSTED

DEADLINE

Main Wastewater Treatment Plant Secondary Reactors Rehabilitation Phase 2 in CA

Solicitation # main-wastewater-treatment-plant-secondary-reactors-rehabilitation-phase-2-ca

Garney Pacific, Inc. is seeking quotes from qualified subcontractors for the Main Wastewater Treatment Plant Secondary Reactors Rehabilitation Phase 2 project located in Oakland, California, for the East Bay Municipal Utility District. This solicitation is open to small businesses, including certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. The comprehensive scope of work involves the rehabilitation of covered and open concrete structures, the relining or replacement of steel and ductile iron pipes and supports, and the installation of valves and piping appurtenances. Additional requirements include the operation of a temporary 11 MGD pumped bypass, rehabilitation of reactor mixers and aerators, upgrades to motor control center components, and the installation of new instrumentation, electrical systems, and slide gates. Key deliverables for the project include lead abatement, metals fabrication, painting and coatings, concrete resurfacing, and the installation of FRP reinforcing systems and access hatches. All subcontractors are required to utilize union labor and must be prepared to provide a 100 percent Payment and Performance Bond from a US Treasury listed Surety Company, with bond premiums reimbursed by Garney Pacific. Interested parties must submit their quotes, including their bond rate and any redlines to standard subcontract forms, by November 17, 2026, at 2:00 PM PT.

POSTED

DEADLINE

Construction of the Recharge Master Plan Update Basin Improvements Project Montclair Basin Improvements, Project No. RW15003.03

Solicitation # construction-recharge-master-plan-update-basin-improvements-project-montclair-basin-improvements

The Inland Empire Utilities Agency is soliciting bids for the Construction of the Recharge Master Plan Update Basin Improvements Project, specifically focusing on Montclair Basins 2 and 3. The primary objective of this project is to construct improvements that divert storm flows from the San Antonio Creek Channel into existing basins to facilitate groundwater recharge. The selected contractor will be responsible for providing all necessary materials, labor, equipment, and facilities to ensure the project is fully installed, commissioned, and functional according to the bid documents. This solicitation is designated as a set-aside for various small business categories, including Small Disadvantaged, Women-Owned, HUBZone, and Veteran-Owned Small Businesses. The work will be performed in California under NAICS code 237110. Interested parties must submit their responses by October 29, 2026, and can coordinate with the primary point of contact, Jordan Villalobos, for further details.

Inland Empire Utilities Agency

POSTED

DEADLINE

IEUA RP-5 Offsite Facilities Project No. EN19001.03 and Butterfield Lift Station Improvements Project No. EN26054

Solicitation # EN19001.03 / EN26054

Filanc is soliciting quotes for the IEUA RP-5 Offsite Facilities Project No. EN19001.03 and the Butterfield Lift Station Improvements Project No. EN26054 located in Chino and Chino Hills, California. The comprehensive scope of work involves significant wastewater infrastructure improvements, including the installation of approximately 6,200 linear feet of dual 14 to 16-inch diameter HDPE DR 11 pipelines from El Prado Road to Kimball Avenue. Additionally, the project requires the construction of a new Mountain Avenue Lift Station featuring a concrete wet well and submersible pumps, modifications to the RP-2 Lift Station to include an elevated electrical platform and standby generator, and the replacement of the motor control center, pumps, and motors at the Butterfield Lift Station while maintaining continuous operation. Filanc is seeking quotes across a wide array of trades, including SWPPP, survey, aggregates, demolition, fencing, paving, striping, precast concrete, rebar, masonry, metals, coatings, signage, process equipment, pre-engineered FRP enclosures, fire suppression, piping, valves, pipe supports, and electrical and instrumentation and control. This solicitation is open to small businesses, including SDB, WOSB, HUBZone, and VOSB certifications, with a strong emphasis on DBE participation. Bids are due by 2:00 PM on October 29, 2025. The primary point of contact for this opportunity is Julia Masaitis.

POSTED

DEADLINE

WC 1464 Lead Pipe Inspection

Solicitation # wc-1464-lead-pipe-inspection

Spiniello Companies is seeking quotes from Minority and Women-Owned Business Enterprises for the City of Baltimore Department of Public Works project WC 1464, which focuses on lead pipe inspection and replacement in Maryland. This solicitation is open to various small business designations, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties should submit their quotes to [email hidden]. While the primary NAICS code is 237110, the project also considers codes 237310, 561990, 238910, 541730, and 237990. The response deadline for this opportunity is November 18, 2026, and primary contact is Katherine Snider.

Spiniello Companies

POSTED

about 7 hours ago

DEADLINE

in 21 days

AI Contract Overview

This subcontract for the North San Mateo County Sanitation District involves the open-cut replacement of sanitary sewer mains in Daly City, California. The selected contractor will be responsible for installing 2,200 linear feet of 15-inch, 18-inch, and 21-inch PVC pipe, along with performing soil excavation, shoring, and the replacement of manholes within the public right-of-way. Additional requirements include the reconnection of sewer laterals and storm drain fly lines to deliver a fully installed and tested sanitary sewer system. Eligible bidders must possess a valid California Contractor State License. The solicitation was posted on August 27, 2026, with a response deadline of September 25, 2026. This project falls under NAICS code 237110 and is designed for a subcontractor working under a prime contractor.

General Info

Subcontract for sanitary sewer main replacement in Daly City, California, deadline September 25, 2026.

Agency

California → North San Mateo County Sanitation District

NAICS

237110 - Water and Sewer Line and Related Structures Construction

Place of Performance

Daly City, CA, 94015, USA

Set-Aside

NONE

Documents

This scope was carved out of 20260826003.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Evergreen/Winchester/Templeton Sewer Replacement Project

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedAug 27

subcontract

Response DeadlineSep 25

Deadline has passed

Submission Closed

09/25/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → North San Mateo County Sanitation District

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → North San Mateo County Sanitation District

Office AddressN/A

ContactsNo contact information available

Full Description

Performs open-cut replacement of sanitary sewer mains for prime contractors on North San Mateo County Sanitation District projects in Daly City, CA. Installs 2,200 LF of 15-inch, 18-inch, and 21-inch PVC pipe, performs soil excavation and shoring, reconnects sewer laterals and storm drain fly lines, and replaces manholes in the public right-of-way. Requires California Contractor State License. Delivers installed and tested sanitary sewer system.

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