This Subcontract opportunity from California was posted on October 15, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Open Trench Pipeline Installation and Backfill

Closed

State & Local

Submission Closed10/27/2026, 03:00:00 PM PDT

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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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 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 piping ranging from 6 to 30 inches and Ductile Iron Pipe (DIP) in 18 and 24-inch diameters. Key deliverables include the construction of standard manholes up to 72 inches, doghouse manholes up to 84 inches, and 24-inch DIP sewer trenchless crossings with associated launch and receiving shafts. Additional requirements encompass a CSO regulator fit out, outfall work, and the abandonment of existing pipes and manholes. Supporting site activities include the implementation and maintenance of a Stormwater Pollution Prevention Plan (SWPPP), clearing and grubbing of 5,130 square yards of wooded areas, and subsequent seeding and fine grading. The project also requires geotechnical instrumentation and monitoring, maintenance of flows and bypass, and specific railroad insurance. Point of contact for this opportunity is John Connelly at [email hidden].

Cleary Construction, Inc.

POSTED

DEADLINE

Morgans Branch Force Main and Pump Station Improvements

Solicitation # SRP-W-134-0290

The Morgans Branch Force Main and Pump Station Improvements project, solicitation number SRP-W-134-0290, is a construction contract for the City of Belmont, North Carolina, with a project estimate of 16,690,000 dollars. The scope of work involves the construction of 16,435 linear feet of new 20-inch ductile iron force main and extensive upgrades to the Morgans Branch Pumping Station. Key infrastructure improvements include the installation of a new wet well, valve vault, and associated appurtenances, as well as the demolition of existing pumps and piping. The final deliverables comprise a fully operational pumping station featuring mechanical and electrical systems, a generator, odor control equipment, and new gravity sewer and manholes. The contract will be awarded to the responsible bidder submitting the lowest responsive bid, with a strong emphasis on socioeconomic compliance through required Minority and Women-Owned Business Enterprise documentation. Bidders must provide a Good Faith Efforts Form and Table A to be considered responsive. The project is governed by EJCDC standard general and supplementary conditions, requiring both performance and payment bonds from sureties with an A.M. Best rating of A-VII or better. Performance begins upon a written Notice to Proceed, and payment is processed monthly via applications for payment submitted to the Engineer, with payments becoming due 30 days after presentation to the owner. Final acceptance is contingent upon the Engineer's determination of substantial completion and the resolution of a final punch list.

Don Moorhead 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 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 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 this opportunity are Tom Seidel and Sheri Shambli.

Specialty Construction, Inc.

POSTED

DEADLINE

Jefferson St. Pump Station Replacement

Solicitation # ITB-2026141

The City of Winchester is soliciting bids for the Jefferson Street Pump Station Replacement project in Virginia under solicitation ITB-2026141. The scope of work includes the construction of a new pump station featuring a precast concrete building, controls, and a standby generator, as well as the installation of site electrical, yard piping, security fencing, grading, and paving. Additional requirements include the relocation of an existing fuel tank and the demolition of existing facilities. All work must be completed within 610 calendar days following the Notice to Proceed and must adhere to VDOT 2020 Road and Bridge Specifications and the City of Winchester Standards Manual. WG Construction is seeking MBE/WBE subcontractor participation for paving, material supply, site development, fencing, MEP, roofing, and carpentry. The contract will be awarded to the lowest responsive and responsible bidder based on qualifications, compliance, and pricing. Bidders must provide a bid guarantee and, if successful, 100 percent performance and payment bonds. The project is subject to Davis-Bacon wage determinations, American Iron and Steel requirements, and strict non-discrimination and EEO compliance. Bids must be submitted electronically via the City's e-Procurement Portal by 2:00 pm on November 12, 2026.

WG Construction Co., 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 is located in California and 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 encourages Disadvantaged Business Enterprise participation. Bids must be submitted via email or fax by December 3, 2026, and must remain valid for 120 days. All subcontractors are required to maintain 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 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.

Flatiron Dragados Constructors, Inc.

POSTED

DEADLINE

Greenfield Wastewater Treatment Plant Upgrade Project

Solicitation # greenfield-wastewater-treatment-plant-upgrade-project-0

The City of Greenfield is seeking proposals for the Greenfield Wastewater Treatment Plant Upgrade Project, identified by contract number 2026-03. Located in Monterey, California, this solicitation is managed by Anderson Pacific Engineering Construction, Inc. under NAICS code 237110. The project is specifically set aside for various small business categories, including SBA certified Women-Owned Small Businesses, HUBZone 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 10, 2026. Primary inquiries and submissions should be directed to the Estimating Department at Anderson Pacific Engineering Construction, Inc. via email or phone. Detailed information regarding the solicitation can be accessed through the provided SBA and project links.

Anderson Pacific Engineering Construction, 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 following its posting on November 7, 2026, and is categorized as a solicitation for specialized infrastructure improvements within the state of 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 encompasses a wide range of infrastructure developments, including 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 quotes should be directed to Michael Demissie at GSE Construction Co., Inc.

GSE Construction Co., Inc.

POSTED

DEADLINE

Magruder Mercury Interceptor Force Main Replacement – Section B (YR010520/VCWRLF)

Solicitation # magruder-mercury-interceptor-force-main-replacement-section-b-yr010520vcwrlf

The Magruder Mercury Interceptor Force Main Replacement Section B project involves the installation of approximately 4,480 linear feet of Ductile Iron pipe, specifically 220 feet of 24-inch and 4,260 feet of 30-inch piping. The scope of work includes two trenchless crossings, the replacement of a meter vault and site yard piping at the Langley Circle Pump Station, and the abandonment of the existing 30-inch force main. Work will be concentrated in two primary areas: the Langley Circle Pump Station vicinity including Thornrose, Bland, and Doolittle Streets, and a section of Mercury Boulevard extending east of Seldendale Drive. This solicitation is issued by Garney Companies, Inc. for performance in Virginia under NAICS code 237110. The opportunity is set aside for Small Businesses, including SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises. Interested parties must respond by November 10, 2026, with primary inquiries directed to Kruti Patel.

Garney Companies, 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 and Montana CGR requirements and comply with Prevailing or Davis Bacon Wage standards. The solicitation is open to a wide range of qualified contractors, with a strong emphasis on Small Business Enterprises and Disadvantaged Business Enterprises, including women, minority, and veteran-owned firms. The response deadline for this opportunity is November 19, 2026. Interested parties should coordinate with Ryan Sondgroth for further inquiries and submission details.

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. The project is owned by the East Bay Municipal Utility District and managed by Anderson Pacific Engineering Construction, Inc. This effort falls under NAICS code 237110 and focuses on the rehabilitation of secondary reactors. 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 7, 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.

Anderson Pacific Engineering Construction, Inc.

POSTED

13 minutes ago

DEADLINE

in 10 days

AI Contract Overview

This subcontract for Open Trench Pipeline Installation and Backfill involves pipeline realignment for prime contractors on projects managed by the San Luis Obispo County Flood Control and Water Conservation District. The scope of work requires the excavation and installation of approximately 3,970 linear feet of restrained Class 350 D water main. The contractor is responsible for providing all necessary excavators and trenching equipment to complete the open-cut trenching, bedding, and backfilling processes. All activities must be performed in strict accordance with San Luis Obispo Public Improvement Standard U4-LO A. The project is located in San Luis Obispo, California, and requires the delivery of fully installed and backfilled pipeline sections. Interested parties must submit their responses by October 27, 2026.

General Info

Subcontract for installing 3,970 feet of water main pipeline in San Luis Obispo.

Agency

California → San Luis Obispo County Flood Control and Water Conservation District

NAICS

237110 - Water and Sewer Line and Related Structures Construction

Place of Performance

San Luis Obispo, CA, 93408, USA

Set-Aside

NONE

Documents

This scope was carved out of 1998.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Nacimiento Water Project Unit G Repair Horizontal Directional Drilling Contractors/Subcontractors Prequalification

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Timeline

PhaseClosed

PostedOct 15

subcontract

Response DeadlineOct 27

Deadline has passed

Submission Closed

10/27/2026, 03:00:00 PM PDT

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Organization & Contact Information

AgencyCalifornia → San Luis Obispo County Flood Control and Water Conservation District

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → San Luis Obispo County Flood Control and Water Conservation District

Office AddressN/A

ContactsNo contact information available

Full Description

Installs pipeline realignment for prime contractors on San Luis Obispo County Flood Control and Water Conservation District projects. Excavates and installs approximately 3,970 LF of restrained Class 350 D water main using open-cut trenching, bedding, and backfilling. Work must follow San Luis Obispo Public Improvement Standard U4-LO A. Requires excavators and trenching equipment. Delivers installed and backfilled pipeline sections.