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

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Ductile Iron Sanitary Sewer Piping

Closed

State & Local

Submission Closed07/29/2026, 02:00:00 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. This solicitation, identified as IFB 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 primary point of contact for this opportunity is John Connelly. The scope of work involves comprehensive sanitary sewer improvements utilizing both open cut and trenchless installation methods. Key deliverables include the installation of PVC and DIP piping ranging from 6 to 30 inches in diameter, the construction of standard and doghouse manholes, and the execution of 24-inch diameter trenchless crossings with associated launch and receiving shafts. Additional requirements include CSO regulator fit out, outfall construction, maintenance of flows and bypass operations, and the abandonment of existing pipes and manholes. General project requirements encompass site preparation, clearing and grubbing of wooded areas, seeding, and fine grading. The contractor must also implement and maintain a Stormwater Pollution Prevention Plan (SWPPP) and provide geotechnical instrumentation and monitoring. Due to the nature of the site, specific requirements for railroad insurance are mandatory. The project involves significant excavation work, including extra depth excavation exceeding 10 feet.

Cleary Construction, Inc.

POSTED

DEADLINE

Wellhead Treatment Improvement PS102A

Solicitation # wellhead-treatment-improvement-ps102a

The Wellhead Treatment Improvement PS102A project, identified by contract number 12700259, is a solicitation issued for work located in Fresno, California. The project is owned by the City of Fresno and managed through W.M. Lyles Co. falling under NAICS code 237110 for heavy and civil engineering construction. 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. Interested parties must submit their responses by the deadline of November 17, 2026. Primary coordination for this contract is handled by Scott Fults.

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 specifically set aside 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 is a comprehensive infrastructure initiative located in Chino, California. Managed by Norstar Plumbing and Engineering, Inc. for the Inland Empire Utilities Agency, the scope of work requires all materials, labor, equipment, and transportation necessary to install, commission, and deliver a fully functional system. The primary work categories include the Butterfield Dual Force Main and the Mountain Avenue, RP-2, and Butterfield Lift Stations. Key technical deliverables involve water and sewer line structures, AC paving, jack and bore operations, cold planing, trucking, traffic control, demolition, and the installation of pipes and fittings. This solicitation is specifically targeted toward SBA certified HUBZone Small Businesses and Disadvantaged Business Enterprises, with a strong emphasis on partnering with certified DBE, MBE, SBE, WBE, SBRA, and LSAF firms. The response deadline for bids is November 19, 2026, at 2:00 PM. Primary points of contact for the project are Destiny Plummer and Nathan Plummer. All work must be performed in strict accordance with the provided bid documents and the specifications outlined by the Inland Empire Utilities Agency.

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, located in California for the City of San Diego. This CASRF and EPA funded project involves a wide range of civil and infrastructure work, including water main relocations, pipe supply, electrical work, asphalt paving, aggregate supply, and site preparation such as clearing, grubbing, and street sweeping. Specialized services required include surveying, QC testing, biological services, and landscaping. The solicitation is set aside for SBA certified Women-Owned Small Businesses and encourages Disadvantaged Business Enterprise participation. Subcontractors and suppliers must possess valid California contractor licenses 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 reimbursement available up to 3 percent. Bids must be submitted via email or fax to Veronica Garcia, and all quotes must remain valid for 120 days from the submission deadline.

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 for the upgrade and expansion of a wastewater treatment facility. The project is owned by the San Miguel Community Service District and is being managed under the EJCDC C-111 contract format. Cushman Contracting Corporation is the agency overseeing the solicitation, 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 solicitation was officially posted on November 12, 2026, and is open to qualified contractors capable of performing the required infrastructure improvements in California.

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 opportunity 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 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 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. This solicitation is specifically targeted toward small businesses, including certified Veteran-Owned, Service-Disabled Veteran-Owned, Women-Owned, and HUBZone small businesses. Prospect Construction, Inc. encourages submissions from SBEs and DBEs and is open to contracting with groups of these firms for larger portions of the work. 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 is a solicitation for construction services located in Oakland, California, for the East Bay Municipal Utility District. Managed by Anderson Pacific Engineering Construction, Inc. under contract number SD-462, the work 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 12, 2026, with a response deadline of November 18, 2026. Interested parties should contact 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

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 industrial and commercial construction requirements.

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, and various finishing works. The scope also encompasses specialized installations such as plumbing, HVAC, electrical systems, and process interconnections, specifically focusing on water valves, piping, and instrumentation. The project requires expertise in water and wastewater equipment, including chemical feed, chlorination, fluoridation, and corrosion inhibitor systems. This solicitation is set aside for small businesses, including certified Veteran, Service-Disabled Veteran, Women-Owned, and HUBZone small businesses. Interested parties must submit their responses by November 16, 2026, and can coordinate with the 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 Ph. 3 project located in Honea Path, South Carolina. The project involves a variety of specialized services, including trucking and hauling, traffic control, clearing and grubbing, CCTV, manhole rehabilitation, CIPP, surveying, and erosion control. The bid for this project is scheduled for 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 Department of Transportation 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 1 hour ago

DEADLINE

in 6 days

AI Contract Overview

The contract entails the supply and installation of ductile iron pipe for sanitary sewer systems, encompassing all necessary work including trenching, bedding, jointing, and backfilling to ensure proper system function and longevity. The scope of work is comprehensive, requiring precise execution of excavation, pipe placement, secure joint connections, and final restoration of the work area to meet engineering and safety standards. The project is tied to a specific location in Hartford, Connecticut, and will be performed under a subcontract arrangement for the Connecticut Department of Transportation. All activities must align with applicable regulations and best practices for underground infrastructure construction. The solicitation was posted on July 29, 2026, with a response deadline set for the same date, indicating an immediate or time-sensitive procurement process. The North American Industry Classification System code 237110 identifies this as a sewer and sewer infrastructure construction project. There is no set-aside designation or additional information regarding eligibility preferences, and while the agency’s organizational structure and point of contact are not specified, the place of performance is clearly outlined. Contractors must be prepared to meet rigorous technical and logistical demands associated with installing high-integrity sanitary sewer pipelines in an urban environment.