This Government Contract opportunity from California was posted on August 12, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Sewer Main Installation

Closed

State & Local

Submission Closed09/17/2026, 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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Biola CSD - Wastewater Treatment Plant Improvements (C-06-8155-210), Kerman, CA

Solicitation # biola-csd-wastewater-treatment-plant-improvements-c-06-8155-210-kerman-ca

GSE Construction Co., Inc. is seeking quotes from qualified subcontractors and suppliers for the Biola Community Services District Wastewater Treatment Plant Improvements Redesign Project located in Kerman, California. This comprehensive infrastructure project involves the demolition of existing facilities and the draining of multiple lagoons and ponds. Key construction elements include a new headworks facility with mechanical screening, a new influent eccentric manhole, a concrete flow meter vault, and the replacement of influent pumps and surface aerators. Additionally, the scope covers the installation of a sludge dewatering pipeline and ponds, a reinforced concrete pad for an emergency generator, and a new CMU operations and electrical building equipped with HVAC, plumbing, and testing infrastructure. The project also requires the implementation of a facility-wide PLC/SCADA monitoring system and various civil improvements such as asphalt resurfacing, grading, and piping. This solicitation is open to small businesses and certified disadvantaged, minority, and women-owned business enterprises across a wide range of NAICS codes related to heavy and civil engineering construction. Interested parties must submit their responses by October 21, 2026. Primary coordination for this opportunity is handled by Christina Pauls at GSE Construction Co., Inc.

GSE Construction Co., Inc.

POSTED

DEADLINE

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 encompasses all necessary materials, labor, tools, equipment, and transportation required to furnish, install, commission, and deliver a fully functional project. Key infrastructure deliverables include concrete structures, concrete pipe, pipes, fittings, and welding. Norstar Plumbing and Engineering, Inc. is seeking certified and qualified DBE, MBE, SBE, and WBE subcontractors and suppliers to support various specialty trades, including trucking, electrical, and concrete work. The solicitation is categorized under NAICS code 237110. Interested parties must submit their bids by October 29, 2026, at 2:00 PM. Detailed plans and specifications are available through the Inland Empire Utilities Agency bidding website.

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, involves the construction of 16,435 linear feet of new 20-inch ductile iron force main and extensive upgrades to the existing Morgans Branch Pumping Station in North Carolina. The scope of work includes the installation of a new wet well, valve vault, and associated appurtenances, as well as the demolition of existing pumps and piping. Additional deliverables include the installation of mechanical and electrical systems such as pumps, a generator, and odor control equipment, along with new gravity sewers, manholes, stormwater facilities, and site grading. The project has an estimated value of 16,690,000 dollars. The contract will be awarded to the responsible bidder submitting the lowest responsive bid, with a strong emphasis on qualifications, financial ability, and MWBE compliance. Bidders must provide a signed bid form, bid bond, and evidence of authority to do business in the state. The agreement is based on a stipulated price and follows EJCDC standard general and supplementary conditions. Performance and payment bonds, as well as proof of insurance, are required upon contract execution. Payment is processed monthly via applications for payment submitted to the engineer, with payments becoming due 30 days after presentation to the owner. Work must adhere to strict technical standards, including AWWA Specification C-600 for pipelines and NEMA standards for electric motors.

Don Moorhead Construction, Inc.

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 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 submit their responses by the deadline of October 29, 2026. Primary coordination for the project is handled by Sep Sharifi, who serves as the main point of contact for inquiries regarding the bidding process and project specifications.

POSTED

DEADLINE

Village of Roanoke, IL Sanitary Sewer Lining Improvements

Solicitation # village-roanoke-il-sanitary-sewer-lining-improvements

SAK Construction, LLC is seeking quotes from Minority Business Enterprises (MBE) and Women Business Enterprises (WBE) for the Village of Roanoke, IL Sanitary Sewer Lining Improvements project. This solicitation, categorized under NAICS code 237110, focuses on critical infrastructure upgrades within the state of Illinois. The scope of work includes several key subcontracting opportunities, specifically sewer cleaning and CCTV inspection, traffic control, and bypass pumping. Interested parties must complete all negotiations by October 21, 2026, as the final bid deadline is October 22, 2026, at 12:00 PM local time. Detailed plans, specifications, and contract documents are available through HMG Engineers, Inc. or the SAK Estimating Department. Primary coordination and inquiries should be directed to Matt Hirtz or the SAK Estimating Department via email at bidcippc@sakcon.com.

SAK Construction, LLC

POSTED

DEADLINE

Alvarado Trunk Sewer Ph IV and Water Main Relocations Bid Package A, Contract K-27-2470-DBB-3-C

Solicitation # K-27-2470-DBB-3-C

Flatiron Dragados Constructors, Inc. is soliciting bids for the Alvarado Trunk Sewer Ph IV and Water Main Relocations Bid Package A, Project No. K-27-2470-DBB-3-C, for the City of San Diego. This CASRF and EPA funded project is located in California and seeks quotes from subcontractors and suppliers for various scopes of work, including pipe supply, electrical, paving, and aggregate supply. The solicitation is set aside for SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their quotes via email or fax by October 28, 2026, at 2:00 PM, and all bids must remain valid for 120 days. Requirements for subcontractors include maintaining a valid California contractor license and registration with the California Department of Industrial Relations per Public Contract Code Section I725.5. The project is subject to a Project Labor Agreement, and Flatiron Dragados reserves the right to require payment and performance bonds equal to 100 percent of the contract value, with bond premium reimbursements available up to 3 percent.

Flatiron Dragados Constructors, Inc.

POSTED

DEADLINE

SAWS, TX – Central Sewershed Package 10 (Terrell Hills)

Solicitation # CO-00920

SAK Construction, LLC is seeking local Small, Minority and Woman Businesses (SMWB) to serve as subcontractors for the San Antonio Water System (SAWS) Central Sewershed Package 10 (Terrell Hills) project in Texas. This solicitation, identified by number CO-00920 and NAICS code 237110, focuses on comprehensive sewer infrastructure improvements. The scope of work includes sewer pipe cleaning, obstruction removal via remote devices, and CCTV inspections that must utilize a visible inclinometer. Additionally, the project requires open-cut sewer construction for installing and adjusting manholes, repairing sewer laterals, and performing point repairs. Supporting services for the project include manhole and sewer structure rehabilitation and coating, bypass pumping, traffic control, fencing, and SWPPP preparation. Surface restoration work involving asphalt and concrete riprap is also required. All negotiations for this opportunity must be finalized by October 19, 2026, as the project bids are due on October 21, 2026, at 2:00 PM local time. Interested parties may contact Patrick Hale for further information.

SAK Construction, LLC

POSTED

DEADLINE

Stadium Road Water Line Extension in Florence, SC

Solicitation # stadium-road-water-line-extension-florence-sc

Columbus Utilities, Inc. is soliciting bids for the Stadium Road Water Line Extension project located in Florence, South Carolina. This solicitation is specifically seeking certified Disadvantaged Business Enterprise, Minority Business Enterprise, and Women Business Enterprise subcontractors and suppliers. The scope of work includes various opportunities such as asphalt work, surveying, and general supply and vending services. The project is categorized under NAICS code 237110 and is set aside for small businesses, including SBA certified Women-Owned Small Businesses, HUBZone Small Businesses, and SAM.gov designated Small Disadvantaged Businesses. Interested parties must submit their proposals by the deadline of October 22, 2026, at 2:00 PM. Submissions are accepted via phone, fax, or email, with Tony Strickland serving as the primary point of contact.

Columbus Utilities, Inc.

POSTED

DEADLINE

Directional Drilling Services for B2805 Guard Post

Solicitation # directional-drilling-services-b2805-guard-post

Patuxent River Utility Services, LLC is soliciting bids for directional drilling services to support the installation of water and wastewater services for a new Guard Post facility at Building 2805, located at 48202 Bronson Road in Patuxent River, Maryland. This project falls under NAICS code 237110 and is specifically set aside for small businesses, including designated small disadvantaged, women-owned, HUBZone, and veteran-owned small businesses. The solicitation was posted on October 10, 2026, with a response deadline of October 16, 2026. Interested parties should coordinate with the primary point of contact, Tomeika McClean, to submit their proposals for this infrastructure project.

Patuxent River Utility Services, LLC

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 scope of work is extensive, covering site work, structural elements such as concrete, masonry, and metals, and the installation of plumbing, HVAC, and electrical systems. Additionally, the project requires specialized expertise in material processing, gas and liquid handling purification, and water and wastewater equipment. This solicitation is specifically set aside for small businesses, including disadvantaged, minority, women-owned, and veteran-owned businesses. To be considered, bidders must submit their DBE, WBE, MBE, SDVOB, or VOB certification along with their proposal. Awards will be granted based on the low responsive bid received. The deadline for bid submissions is November 5, 2026, at 2:00 PM. Interested parties should coordinate with JR Peterson and access bid documents through the SmartBidNet system.

River City Construction, LLC

POSTED

DEADLINE

Biola Community Services District - Waste Water Treatment Plant Improvements Project (Redesign)

Solicitation # biola-community-services-district-waste-water-treatment-plant-improvements-project-redesign

The Biola Community Services District is seeking proposals for the Waste Water Treatment Plant Improvements Project Redesign located in Biola, Fresno, California. This solicitation is managed by W.M. Lyles Co. and falls under NAICS code 237110. The project is specifically set aside for small businesses, including Disadvantaged Business Enterprises, Disabled Veteran Business Enterprises, Minority Business Enterprises, and Women Business Enterprises. Interested parties must submit their responses by the deadline of October 21, 2026. The primary point of contact for this opportunity is Scott Fults, who can be reached via email at cdobids@wmlylesco.com or by phone at 661-679-1164.

POSTED

DEADLINE

Alvarado Trunk Sewer PH IV and Water Main Relocations Bid Package A

Solicitation # alvarado-trunk-sewer-ph-iv-water-main-relocations-bid-package

The Alvarado Trunk Sewer PH IV and Water Main Relocations Bid Package A is a solicitation for infrastructure work located in San Diego, California. Managed by the City of San Diego under contract number K-27-2470-DBB-3-C, the project focuses on sewer and water main relocations. KTA Construction Inc. is listed as the agency contact, with Brin Ragsdale serving as the primary point of contact for interested parties. This opportunity is specifically set aside for small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. The project falls under NAICS code 237110 for heavy and civil engineering construction. The solicitation was posted on October 10, 2026, and requires responses to be submitted by the deadline of October 28, 2026.

KTA Construction Inc.

POSTED

about 6 hours ago

DEADLINE

in 18 days

AI Contract Overview

This subcontract for the City of Vista involves the installation of sewer mains for prime contractors. The scope of work includes trenching, excavation, over-excavation, subgrade preparation, and the installation of warning tape, backfilling, and compaction in accordance with Greenbook Section 306-1.3. The project specifically requires the installation of 10 inch PVC SDR-26, SDR-35, and C900 DR14 pipes using Class II aggregate base and Mirafi 140N geotextile to deliver a fully installed and tested sewer main system. Strict adherence to CAL/OSHA shoring and trench safety compliance is mandatory for all operations. The project is located in Vista, California, with a response deadline of September 17, 2026. This opportunity falls under NAICS code 237110 and is managed through the City of Vista.

General Info

Sewer main installation subcontract for City of Vista, California, due September 17, 2026.

Agency

California → City of Vista

NAICS

237110 - Water and Sewer Line and Related Structures Construction

Place of Performance

Vista, CA, 92083, USA

Set-Aside

NONE

Documents

This scope was carved out of 8382.

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

View the prime solicitation

South Santa Fe Sewer Improvement Project

AI Contract Breakdown

Uniform Contract Format

No documents to break down

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Timeline

PhaseClosed

PostedAug 12

subcontract

Response DeadlineSep 17

Deadline has passed

Submission Closed

09/17/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → City of Vista

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → City of Vista

Office AddressN/A

ContactsNo contact information available

Full Description

Installs sewer mains for prime contractors on City of Vista utility projects. Performs trenching, excavation, over-excavation, subgrade preparation, and installation of warning tape, backfilling, and compaction per Greenbook Section 306-1.3. Installs 10” PVC SDR-26, SDR-35, and C900 DR14 pipes with Class II aggregate base and Mirafi 140N geotextile. Requires CAL/OSHA shoring and trench safety compliance. Delivers installed and tested sewer main system.

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