This Subcontract opportunity from Connecticut was posted on August 1, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Catch Basin and Drainage Structure Installation

Closed

State & Local

Submission Closed08/25/2026, 11:00:00 PM EDT

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 open to various small business set-asides, 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 sanitary sewer system improvements utilizing both open-cut and trenchless installation methods. Key deliverables include the installation of PVC piping ranging from 6 to 30 inches and DIP piping in 18 and 24-inch diameters, as well as the construction of standard and doghouse manholes, interior drop assemblies, and a CSO regulator fit out with outfall construction. Additional requirements include 24-inch diameter trenchless crossings with associated launch and receiving shafts, maintenance of flows and bypass operations, and site restoration activities such as SWPPP implementation, clearing, grubbing, and seeding. Specialized requirements include geotechnical instrumentation and monitoring and the procurement of railroad insurance.

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 coordination for this project should be directed to Scott Fults at 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 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 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

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 involves various construction and supply scopes, including electrical work, paving, and the supply of aggregate and piping. The solicitation is set aside for SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises. All participating subcontractors must hold valid California contractor licenses and be registered with the California Department of Industrial Relations in accordance with Public Contract Code Section I725.5. The project is subject to a Project Labor Agreement and requires strict adherence to FD insurance requirements. Bidders may be required to provide payment and performance bonds equal to 100 percent of the contract value, with bond premium reimbursements available up to 3 percent. Quotes must be submitted via email or fax to the primary point of contact, Veronica Garcia, by the deadline of December 3, 2026, and must remain valid for 120 days from the bid due date.

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 wastewater treatment facilities. 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. 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 quotes should be directed to Michael Demissie via the estimating department 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.

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 scope of work is broad, encompassing aggregate, electrical, paving, concrete, landscape and seeding, construction survey, testing and inspection, traffic control, metal fabrications, industrial coatings, and rough carpentry. Bidders must adhere to AIS and Montana CGR requirements and comply with Prevailing or Davis Bacon Wage standards. The solicitation is open to a wide range of small business entities, including VOSB, SDVOSB, WOSB, and HUBZone certified firms, with a strong emphasis on encouraging SBE and DBE participation. Responses are due by November 19, 2026. Interested parties should coordinate with Ryan Sondgroth for further inquiries regarding this opportunity.

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 construction services 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. Interested parties must submit their responses by the deadline of November 18, 2026. 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. Inquiries regarding the solicitation should be directed to the Estimating Department at Anderson Pacific Engineering Construction, Inc.

Anderson Pacific Engineering Construction, Inc.

POSTED

DEADLINE

Long Prairie MN Water Treatment Plant Rehab

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

CC Steel LLC is soliciting 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 encompasses specialized installations such as flexible horizontal lifeline fall protection, fiberglass reinforced plastic enclosures, plumbing, HVAC dehumidifiers, and general electrical work including motors and starters. The project further requires expertise in exterior improvements like roads and curbs, as well as complex process interconnections involving water valves, piping, instrumentation, and control systems. Specific water and wastewater equipment needs include chemical feed, chlorination, fluoridation, and corrosion inhibitor systems, along with filter media and gravel. This solicitation is set aside for various small business categories, including VOSB, SDVOSB, WOSB, and HUBZone certified firms, with a response deadline of November 16, 2026.

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 project involves a variety of specialized scopes, including trucking and hauling, traffic control, clearing and grubbing, CCTV services, manhole rehabilitation, CIPP, surveying, and erosion control. The bid date for this project is November 24, 2026, at 2 PM, with a response deadline for interested parties set for November 19, 2026. This opportunity is specifically set aside for certified entities such as SBA Women-Owned Small Businesses, SAM.gov Small Disadvantaged Businesses, and DOT Disadvantaged Business Enterprises. Contract documents and plans are available for review through the primary point of contact, Bryce Yarbrough.

North American Pipeline Management, LLC

POSTED

about 5 hours ago

DEADLINE

in 9 days

AI Contract Overview

The contract involves the installation of ten precast concrete catch basins as part of a storm drainage system improvement project. Scope of work includes full excavation, proper bedding and backfilling, and seamless connection to the existing storm drainage infrastructure to ensure effective water diversion and system integrity. All materials and labor must meet applicable engineering and construction standards for durability and long-term performance. The work is classified under NAICS code 237110 for heavy and civil engineering construction, indicating a specialized civil infrastructure focus. This subcontract opportunity is issued by Connecticut’s DAS Procurement division with a response deadline of August 26, 2026, and bidders must submit proposals through the official CTSource Bid Board portal. Performance location details are not specified but are expected to align with state-maintained drainage network needs.