This Subcontract opportunity from Washington was posted on June 3, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Drainage System Installation

Closed

State & Local

Submission Closed06/30/2026, 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 the City of Lynchburg CSO 70 Sewer Improvements project in Virginia, identified by solicitation number 2027-027. This opportunity is set aside for small businesses, including SBA certified 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 comprehensive sewer infrastructure improvements, including the open cut installation of PVC pipes ranging from 6 to 30 inches and DIP pipes. Key deliverables include the construction of standard and doghouse manholes, interior drop assemblies, and specialized trenchless crossings with associated launch and receiving shafts. Additional requirements encompass CSO regulator fit out, outfall work, maintenance of flows and bypass, and site preparation activities such as clearing, grubbing, and the implementation of a Stormwater Pollution Prevention Plan. Site restoration will require seeding and fine grading of approximately 5,130 square yards. Project compliance requires adherence to environmental standards via SWPPP and the procurement of specific railroad insurance. Technical requirements include geotechnical instrumentation and monitoring. 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 various small business categories, 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.

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 the modernization of an existing facility in California. The primary scope of work includes replacing the 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 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 project 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 Offsite Facilities and Butterfield Lift Station project, managed by Norstar Plumbing and Engineering, Inc. for the Inland Empire Utilities Agency, involves the comprehensive installation, commissioning, and delivery of critical water and sewer infrastructure in Chino, California. 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. To achieve a fully functional system, the project requires a wide array of materials and services, including AC paving, trucking, jack and bore operations, cold planing, welding, potholing, and the installation of various pipes and fittings. This solicitation is specifically targeted toward certified HUBZone Small Businesses and Disadvantaged Business Enterprises, with a strong emphasis on partnering with DBE, MBE, SBE, WBE, SBRA, and LSAF certified firms. The project encompasses diverse specialty trades ranging from demolition and traffic control to survey markings and preconstruction video services. All work must be performed in strict accordance with the provided bid documents. The response deadline for this solicitation is November 19, 2026, at 2:00 PM, with primary points of contact being Destiny and Nathan Plummer.

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 Disadvantaged Business Enterprises. Bids must be submitted via email or fax by December 3, 2026, and must remain valid for 120 days. All participating 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. Additionally, 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 of the contract value.

Flatiron Dragados Constructors, Inc.

POSTED

DEADLINE

Machado WWTF Upgrade and Expansion

Solicitation # machado-wwtf-upgrade-expansion

The Machado WWTF Upgrade and Expansion project is a solicitation for construction services located in San Miguel, San Luis Obispo, California. Managed by the San Miguel Community Service District under contract number EJCDC C-111, the project focuses on the upgrade and expansion of the Machado Wastewater Treatment Facility. The solicitation is being handled by Cushman Contracting Corporation, with Melia Raj serving as the primary point of contact. This opportunity falls under NAICS code 237110 for water and sewer line construction. Interested parties must submit their responses by the deadline of November 20, 2026. The project is open for bids, and further details regarding the scope of work and submission requirements can be accessed through the provided procurement links.

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 at GSE Construction Co., Inc.

GSE Construction Co., Inc.

POSTED

DEADLINE

City of Redlands - Wastewater Treatment Plant Upgrades Phase 2 (521006), Redlands, CA

Solicitation # city-redlands-wastewater-treatment-plant-upgrades-phase-2-521006-redlands-ca

GSE Construction Co., Inc. is soliciting quotes from subcontractors and suppliers for the City of Redlands Wastewater Treatment Plant Upgrades Phase 2, project number 521006, located in Redlands, California. The scope of work encompasses a wide range of specialized needs, including headworks washers, aeration blowers, diffusers, MLR pumps, precast MCC buildings, electrical systems, PLC/SCADA, yard piping, and site civil work. 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 12, 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 open to various small business designations, including VOSB, SDVOSB, WOSB, and HUBZone certified firms. Prospect Construction, Inc. actively encourages submissions from SBEs and DBEs, including women, minority, and veteran-owned businesses, and is open to contracting with groups of these firms for larger scopes of work.

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. Managed by Anderson Pacific Engineering Construction, Inc. for the East Bay Municipal Utility District, the project falls 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. The solicitation was posted on November 10, 2026, with a response deadline of November 18, 2026. Interested parties should coordinate with the Estimating Department for further details.

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 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 encompasses specialized installations such as flexible horizontal lifeline fall protection, fiberglass reinforced plastic enclosures, and extensive plumbing, HVAC, and electrical work. The project requires significant technical expertise in water and wastewater equipment, specifically for chemical feed, chlorination, fluoridation, and corrosion inhibitor systems, as well as process interconnections, valves, and instrumentation. This solicitation is set aside for various small business categories, including VOSB, SDVOSB, WOSB, and HUBZone certified firms. Interested parties must respond by November 16, 2026, and can coordinate with the primary point of contact, Pete Aldritt.

CC Steel LLC

POSTED

about 3 hours ago

DEADLINE

in 5 days

AI Contract Overview

Snohomish County is soliciting subcontract bids for the installation of a comprehensive drainage system along a trail to manage surface water runoff. The work includes the construction of culverts, catch basins, storm drains, ditches, and erosion control structures, all aimed at ensuring proper water flow and preventing environmental degradation. The contract is classified under NAICS code 237110, indicating it falls within the water and sewer line and related structures construction sector. Bids must be submitted by June 30, 2026, at 6:00 PM, with the opportunity posted on June 3, 2026. The project is structured as a subcontract and does not specify any set-aside provisions. All work is expected to take place within Snohomish County, Washington, though exact location details are not provided in the listing. Potential contractors are directed to the official portal for full details and submission requirements.