This Subcontract opportunity from California was posted on July 30, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Water Main & Appurtenances Installation

Closed

State & Local

Submission Closed10/01/2026, 11:00:00 AM PDT

Contract Overview

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

Active Opportunities Like This One

NAICS: 237110

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26350 Lynchburg, VA - CSO 70 Sewer Improvements

Solicitation # 2027-027

Cleary Construction is soliciting quotations from certified Disadvantaged Business Enterprises (DBEs) for labor, materials, and services for the City of Lynchburg CSO 70 Sewer Improvements project in Virginia. This solicitation, identified as number 2027-027, is open to various SBA-certified small business categories, including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested firms must submit their responses by December 4, 2026. The scope of work involves extensive sanitary sewer infrastructure improvements, including the open-cut installation of PVC and Ductile Iron Pipe ranging from 6 to 30 inches in diameter, as well as 24-inch diameter trenchless crossings with associated launch and receiving shafts. Additional requirements include the installation of standard and doghouse manholes, interior drop assemblies, a CSO regulator fit out, and an outfall. Site preparation tasks involve clearing and grubbing over 5,100 square yards of wooded areas, seeding, fine grading, and select tree removal. Critical project deliverables include the implementation and maintenance of a Stormwater Pollution Prevention Plan (SWPPP), geotechnical instrumentation and monitoring, and the continuous maintenance of flows and bypass during construction. Special requirements for this contract include the procurement of railroad insurance. The project involves significant excavation, with specific provisions for extra depth excavation between 4 and 10 feet, as well as depths exceeding 10 feet.

Cleary Construction, Inc.

POSTED

DEADLINE

Wellhead Treatment Improvement PS102A

Solicitation # wellhead-treatment-improvement-ps102a

The City of Fresno is seeking proposals for the Wellhead Treatment Improvement PS102A project located in Fresno, California. This solicitation, managed by W.M. Lyles Co. under contract number 12700259, falls under NAICS code 237110 for heavy and civil engineering construction. Interested parties must submit their responses by the deadline of November 17, 2026. This opportunity is specifically set aside for small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, and Women-Owned Small Businesses, as well as SAM.gov designated Small Disadvantaged Businesses. Primary inquiries and submissions should be directed to Scott Fults via the provided contact information for W.M. Lyles Co.

POSTED

DEADLINE

Machado Wastewater Treatment Facility (WWTF) Upgrade and Expansion

Solicitation # machado-wastewater-treatment-facility-wwtf-upgrade-expansion

The Machado Wastewater Treatment Facility Upgrade and Expansion project involves modernizing the existing facility in California by replacing its current pond-based process with a membrane bioreactor system. A critical requirement of the contract is the maintenance of continuous treatment operations throughout the construction, commissioning, testing, and final acceptance phases. This solicitation is issued by Specialty Construction, Inc. and is set aside specifically for small businesses under NAICS code 237110. Interested parties must submit their responses by the deadline of December 4, 2026. Primary points of contact for the bidding process are Tom Seidel and Sheri Shambli.

Specialty Construction, Inc.

POSTED

DEADLINE

IEUA Regional Water Recycling Plant No. 5(RP5) Offsite Facilities and Butterfield Lift Station

Solicitation # ieua-regional-water-recycling-plant-no-5rp5-offsite-facilities-butterfield-lift-station

The IEUA Regional Water Recycling Plant No. 5 (RP5) Offsite Facilities and Butterfield Lift Station project involves the provision of all materials, labor, tools, equipment, and transportation necessary to install, commission, and deliver a fully functional infrastructure system in Chino, California. Managed by Norstar Plumbing and Engineering, Inc. for the Inland Empire Utilities Agency, the scope of work is centered on four major components: the Butterfield Dual Force Main, the Mountain Avenue Lift Station, the RP-2 Lift Station, and the Butterfield Lift Station. The project requires a wide array of construction and specialty services, including AC paving, jack and bore operations, cold planing, trucking, and the installation of pipes and fittings. Additional site requirements encompass traffic control, demolition, potholing, welding, survey traffic markings, and preconstruction video services. This solicitation is specifically targeting certified HUBZone Small Business and Disadvantaged Business Enterprise (DBE) partners, as well as other certified minority, women, and small business entities. Bids for the project are due by November 19, 2026, at 2:00 PM.

Norstar Plumbing and Engineering, Inc

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 a wide range of scopes, including aggregate and pipe supply, asphalt paving, electrical work, minor concrete, surveying, and landscaping. The solicitation is set aside for SBA certified Women-Owned Small Businesses and encourages Disadvantaged Business Enterprise participation. Bids must be submitted via email or fax by December 3, 2026, and must remain valid for 120 days. All subcontractors are required to hold a valid California contractor license and be registered with the California Department of Industrial Relations. The project is subject to a Project Labor Agreement and requires compliance with specific insurance standards. Additionally, the contractor 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

Machado WWTF Upgrade and Expansion

Solicitation # machado-wwtf-upgrade-expansion

The Machado WWTF Upgrade and Expansion project, located in San Miguel, San Luis Obispo, California, is a solicitation issued by the San Miguel Community Service District under contract number EJCDC C-111. Managed by Cushman Contracting Corporation, the project falls under NAICS code 237110 for water and sewer line construction. Interested parties must submit their responses by the deadline of November 20, 2026. Primary coordination for this opportunity is handled by Melia Raj, and the project is open to qualified contractors seeking to perform infrastructure upgrades and expansions at the wastewater treatment facility.

Cushman Contracting Corporation

POSTED

DEADLINE

NTUA - Tuba City WWTP Improvements (NTUA-2026), Tuba City, AZ

Solicitation # ntua-tuba-city-wwtp-improvements-ntua-2026-tuba-city-az

GSE Construction Co., Inc. is soliciting quotes from subcontractors and suppliers for the NTUA Tuba City WWTP Improvements project in Tuba City, Arizona. The scope of work is extensive, encompassing the construction of headworks, an influent pump station, aeration basins, blower and dewatering buildings, UV disinfection, and an administration building. Additionally, the project requires electrical and SCADA systems, yard piping, and general sitework. This solicitation is specifically set aside for 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 November 24, 2026. Primary inquiries and submissions should be directed to Michael Demissie via the estimating department at GSE Construction Co., Inc.

GSE Construction Co., Inc.

POSTED

DEADLINE

BOZEMAN WATER RECLAMATION FACILITY PHASE 1 IMPROVEMENTS

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

Prospect Construction, Inc. is seeking pricing for the Bozeman Water Reclamation Facility Phase 1 Improvements project located in Montana. The solicitation covers a wide range of construction scopes, including aggregate, electrical, paving, concrete, landscape and seeding, construction survey, testing and inspection, traffic control, metal fabrications, industrial coatings, and rough carpentry. Bidders must comply with AIS, Montana CGR, and Prevailing or Davis Bacon Wage requirements. The response deadline for this solicitation is November 19, 2026. This opportunity is specifically open to small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Prospect Construction, Inc. strongly encourages submissions from SBEs and DBEs and is open to contracting with multiple firms for larger scopes of work to support these groups.

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, is a solicitation for work located in Oakland, Alameda, California. The project is owned by the East Bay Municipal Utility District and managed by Anderson Pacific Engineering Construction, Inc. under NAICS code 237110. This opportunity 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 solicitation should be directed to the Estimating Department at Anderson Pacific Engineering Construction, Inc.

Anderson Pacific Engineering Construction, Inc.

POSTED

DEADLINE

Pump Station 2 Improvements and Modernization

Solicitation # pump-station-2-improvements-modernization

POSTED

DEADLINE

Long Prairie MN Water Treatment Plant Rehab

Solicitation # long-prairie-mn-water-treatment-plant-rehab

CC Steel LLC is soliciting bids from subcontractors and material suppliers for the Long Prairie MN Water Treatment Plant Rehab project located in Minnesota. This comprehensive rehabilitation effort spans numerous construction divisions, including concrete, metals, rough carpentry, thermal and moisture protection, glazing, and facility painting. The scope also covers critical infrastructure such as plumbing, HVAC, electrical systems, and exterior improvements including roads, walks, and curbs. Specialized technical requirements include process interconnections, water valves, instrumentation, and various water and wastewater equipment such as chlorination, fluoridation, and corrosion inhibitor feed systems. This opportunity is set aside for small businesses, including certified veteran, service-disabled veteran, women-owned, and HUBZone small businesses. Interested parties must respond by November 16, 2026, and can coordinate with primary point of contact Pete Aldritt.

POSTED

DEADLINE

Chiquola and Clatworthy Subbasing Sewer Rehab Ph. 3- Town of Honea Path, SC

Solicitation # chiquola-clatworthy-subbasing-sewer-rehab-ph-3-town-honea-path-sc

North American Pipeline Management, LLC is seeking Disadvantaged Business Enterprise subcontractors for the Chiquola and Clatworthy Subbasin Sewer Rehab Phase 3 project located in Honea Path, South Carolina. The solicitation focuses on several specialized scopes of work, including trucking and hauling, traffic control, clearing and grubbing, CCTV services, manhole rehabilitation, cured-in-place pipe installation, surveying, and erosion control. The project is designated for specific set-asides, 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 November 19, 2026, ahead of the project bid date on November 24, 2026. Contract documents and plans are available for review through the primary point of contact, Bryce Yarbrough.

North American Pipeline Management, LLC

POSTED

about 8 hours ago

DEADLINE

in 7 days

AI Contract Overview

This subcontract for the City of Modesto involves the installation of water mains, fire hydrants, and service lines for prime contractors working on city water infrastructure projects. The scope of work includes the installation of gate valves up to 12 inches, butterfly valves 14 inches and larger, new meter boxes, and service lines connected to building plumbing. All work must adhere to the State Standard Specifications and City of Modesto requirements to deliver a fully installed and tested water system ready for service. The project is located in Modesto, California, under NAICS code 237110. The solicitation was posted on July 30, 2026, with a response deadline of October 1, 2026.

General Info

Subcontract for installing water mains, hydrants, and service lines in Modesto, California.

Agency

California → City of Modesto

NAICS

237110 - Water and Sewer Line and Related Structures Construction

Place of Performance

Modesto, CA, 95354, USA

Set-Aside

NONE

Documents

This scope was carved out of 2026-15.

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

View the prime solicitation

Bystrum Area – Phase 1 Strengthen & Replace Water Mains

AI Contract Breakdown

Uniform Contract Format

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The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PhaseClosed

PostedJul 30

subcontract

Response DeadlineOct 1

Deadline has passed

Submission Closed

10/01/2026, 11:00:00 AM PDT

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Organization & Contact Information

AgencyCalifornia → City of Modesto

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → City of Modesto

Office AddressN/A

ContactsNo contact information available

Full Description

Installs water mains, fire hydrants, and service lines for prime contractors on City of Modesto water infrastructure projects. Installs gate valves (<= 12") and butterfly valves (>= 14"), new meter boxes, and service lines connected to building plumbing. Adheres to City of Modesto and State Standard Specifications. Delivers an installed and tested water system ready for service.

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