This Subcontract opportunity from California 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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Corrugated Steel Pipe (CSP) Supply and Installation

Closed

State & Local

Submission Closed08/12/2026, 02:00:47 PM 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. 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 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 for water and sewer line 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 coordination for this project is handled by Scott Fults, who serves as the point of contact for bidding inquiries.

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 focuses on modernizing the existing facility in California by 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 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 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. 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 quotes 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 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, Montana CGR, and Prevailing or Davis Bacon Wage requirements. This solicitation is open to a wide range of small businesses, including certified Veteran, Service-Disabled Veteran, Women-Owned, and HUBZone small businesses. The company strongly encourages submissions from SBEs and DBEs, noting a willingness to split contracts among multiple firms if the project size exceeds a single firm's capacity. Interested parties must submit their pricing by 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, Alameda, California. Managed by Anderson Pacific Engineering Construction, Inc. for the East Bay Municipal Utility District 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. Interested parties must submit their responses by the deadline of November 18, 2026. Inquiries can 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

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 the diverse construction and technical requirements of the modernization efforts.

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 encompasses a wide range of construction and specialty trades, including concrete formwork, miscellaneous metals, rough carpentry, membrane roofing, glazing, and facility painting. The scope also extends to critical infrastructure components such as plumbing, HVAC dehumidifiers, electrical systems, and exterior improvements including roads and curbs. Specialized technical requirements for the facility include process interconnections, water valves, instrumentation, refrigerant dryers, and various water and wastewater equipment such as chlorination, fluoridation, and corrosion inhibitor feed systems. This solicitation 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 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 Women-Owned Small Businesses, Small Disadvantaged Businesses, and Department of Transportation certified 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 6 days

AI Contract Overview

The contract calls for the supply and installation of 24-inch and 36-inch corrugated steel pipe for culvert applications, encompassing all related fieldwork such as trenching, bedding, and corrosion protection treatments to ensure long-term structural integrity. Work must comply with industry standards for material quality and installation practices, with emphasis on proper alignment, compaction, and protective coatings to withstand environmental and load-related stresses. The scope requires full execution of the project from excavation through final placement, ensuring that all components meet performance and durability requirements for drainage infrastructure. This is a subcontract under the North American Industry Classification System code 237110, categorized under Public Works in California, with a response deadline of August 12, 2026. The work is anticipated to occur at an unspecified location within the state, and all bidders must be prepared to meet the technical specifications and timelines without deviation. The contract does not specify set-aside status or point of contact information, implying that interested parties should refer to the provided portal link for further details and submission requirements.