This Subcontract opportunity from Connecticut was posted on May 29, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Stormwater Drainage System Installation

Closed

State & Local

Submission Closed06/16/2026, 10:30:00 AM 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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Main Abandonment & Grouting

Murphy Pipeline Contractors, LLC

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Murphy Pipeline Contractors, LLC

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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, solicitation number 2027-027. This opportunity is open to various small business set-asides, including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone certified firms. Interested parties 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 of 18 and 24 inches. Key technical requirements include the installation of 24-inch diameter DIP sewer trenchless crossings with associated launch and receiving shafts, the construction of standard and doghouse manholes, and a CSO regulator fit out. Additional site requirements encompass the clearing and grubbing of 5,130 square yards of wooded areas, the removal of approximately 30 select trees, and the implementation of SWPPP and geotechnical instrumentation and monitoring. Specialized requirements include the procurement of railroad insurance and the management of maintenance of flows and bypass.

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, identified by contract number 12700259, is managed by W.M. Lyles Co. and falls under NAICS code 237110. 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 coordination for this project is handled by Scott Fults, who serves as the point of contact for inquiries and bid submissions.

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 this opportunity 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. 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. Key technical deliverables include AC paving, piping and fittings, jack and bore operations, welding, demolition, potholing, and the implementation of Storm Water Pollution Prevention Plans (SWPPP). Managed by Norstar Plumbing and Engineering, Inc. for the Inland Empire Utilities Agency, this solicitation is specifically targeting certified HUBZone Small Business, Disadvantaged Business Enterprise (DBE), MBE, SBE, WBE, SBRA, and LSAF partners. The project falls under NAICS code 237110 for water and sewer line construction. Interested parties must submit their responses by the deadline of November 19, 2026, at 2:00 PM. Primary points of contact for this effort are Destiny Plummer 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. has issued an Invitation to Bid 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 seeks quotes from subcontractors and suppliers for various scopes of work, including electrical, paving, pipe supply, and aggregate supply. The solicitation is set aside for SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises. Qualified bidders must possess a valid California contractor license and be registered with the California Department of Industrial Relations per Public Contract Code Section I725.5. The project is subject to a Project Labor Agreement and requires compliance with specific insurance standards. 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. Bids must remain valid for 120 days and should be submitted via email or fax to the primary point of contact, Veronica Garcia.

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. Owned by the San Miguel Community Service District and managed 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. The project is open for bids following its posting on November 13, 2026, and is associated with Disadvantaged Business Enterprise standards through the Department of Transportation.

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 systems, 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

BOZEMAN WATER RECLAMATION FACILITY PHASE 1 IMPROVEMENTS

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

Prospect Construction, Inc. is soliciting pricing for the Bozeman Water Reclamation Facility Phase 1 Improvements project located in Montana. The scope of work is extensive, covering various trades including 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 businesses, including certified Veteran, Service-Disabled Veteran, Women-Owned, and HUBZone small businesses. Prospect Construction, Inc. actively encourages submissions from SBEs and DBEs, noting a willingness to split contracts among multiple firms if the project size exceeds the capacity of a single entity. Interested parties must submit their pricing by the deadline of November 19, 2026.

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. This solicitation falls under NAICS code 237110 and 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 13, 2026, with a response deadline of November 18, 2026. Interested parties should coordinate with the Estimating Department at Anderson Pacific Engineering Construction, Inc. for further details. This opportunity is targeted toward qualified small business entities capable of performing specialized construction and rehabilitation services within the state of California.

Anderson Pacific Engineering Construction, Inc.

POSTED

DEADLINE

Pump Station 2 Improvements and Modernization

Solicitation # pump-station-2-improvements-modernization

Filanc is seeking quotes for the Pump Station 2 Improvements and Modernization project located in California. The scope of work is extensive, covering demolition, rebar, metals, roofing, coatings, insulation, process equipment, piping, valves, pipe supports, HVAC, electrical, and instrumentation. 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 must submit their responses by the deadline of December 10, 2026. The primary point of contact for this opportunity is Dan Phelan. The project falls under multiple NAICS codes, primarily 237110, reflecting a broad range of construction and specialty trade requirements.

Filanc

POSTED

about 3 hours ago

DEADLINE

in 26 days

AI Contract Overview

The City of Waterbury is seeking a subcontractor to install 120 linear feet of reinforced concrete pipe for a stormwater drainage system under a solicitation dated May 29, 2026, with responses due by June 16, 2026. The work falls under NAICS code 237110, indicating it is related to water and sewer line and related structures construction, and is classified as a subcontract opportunity. The project is intended to enhance stormwater management infrastructure within the city’s jurisdiction, though specific site details and point of contact information are not provided. Bidders must ensure compliance with all technical and regulatory requirements for the installation of RCP, including proper alignment, bedding, backfilling, and infiltration control, as implied by standard industry practices for such infrastructure projects. All work is expected to be performed in alignment with municipal engineering standards and environmental regulations governing stormwater systems.