This Sources Sought opportunity from Department Of Defense was posted on April 8, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Rio de La Plata Flood Control Project, North Coast Super-Aqueduct Relocation Project in Dorado and Toa Baja, Puerto Rico

Closed

W51DQV25R00050003Federal

Submission Closed05/07/2026, 04:00:00 PM UTC

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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Biola CSD - Wastewater Treatment Plant Improvements (C-06-8155-210), Kerman, CA

Solicitation # biola-csd-wastewater-treatment-plant-improvements-c-06-8155-210-kerman-ca

GSE Construction Co., Inc. is seeking quotes from qualified subcontractors and suppliers for the Biola Community Services District Wastewater Treatment Plant Improvements Redesign Project in Kerman, California. This comprehensive infrastructure project involves the demolition of existing facilities and the draining of multiple lagoons and ponds. Key construction elements include a new headworks facility with mechanical screening, a new influent eccentric manhole, a concrete flow meter vault, and the replacement of influent pumps and surface aerators. The scope of work further extends to the installation of a sludge dewatering and wasting pipeline, the construction of two soil cement lined sludge dewatering ponds, and the building of a new CMU operations and electrical facility equipped with HVAC and plumbing. Additionally, the project requires a facility-wide PLC/SCADA monitoring system and various civil improvements such as asphalt resurfacing and earthwork. This opportunity is set aside for small businesses, including DBE, MBE, and WBE certified firms, across a wide range of construction-related NAICS codes.

GSE Construction Co., Inc.

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DEADLINE

IEUA RMPU Basin Improvements Project Montclair Basin Improvements

Solicitation # ieua-rmpu-basin-improvements-project-montclair-basin-improvements

The IEUA RMPU Basin Improvements Project involves construction improvements at Montclair Basin 2 and 3 in Chino, California. The primary objective is to divert available storm flows from the San Antonio Creek Channel into existing basins to facilitate groundwater recharge. The scope of work is comprehensive, requiring all materials, labor, tools, equipment, and incidentals necessary to furnish, install, commission, and deliver a fully functional project. Key activities include civil and site work such as grading, demolition, saw cutting, cold planing, and trucking, as well as the installation of concrete pipes and structures. Specialized services required for the project include traffic control, SWPPP, construction surveying, electrical work, welding, and preconstruction video. Norstar Plumbing and Engineering, Inc. is seeking certified and qualified DBE, MBE, SBE, and WBE subcontractors and suppliers to support these efforts. Interested parties must submit their bids by October 29, 2026, at 2:00 PM. Detailed plans and specifications for the project are available through the Inland Empire Utilities Agency bidding website. Primary points of contact for this solicitation are Nathan Plummer and Destiny Plummer.

Norstar Plumbing and Engineering, 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 an estimated value 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 comprehensive 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 contractor is responsible for delivering a fully operational facility, including the installation of pumps, a generator, odor control equipment, new gravity sewers, and manholes, while managing by-pass pumping, testing, and commissioning. The contract will be awarded to the responsible bidder submitting the lowest responsive bid, with a strong emphasis on MWBE compliance through the submission of Good Faith Efforts and Table A documentation. Bids are due by November 12, 2026, and must be submitted using the EJCDC C-410 Bid Form. The project is governed by EJCDC standard general and supplementary conditions, requiring performance and payment bonds and proof of insurance. Technical standards include AWWA Specification C-600 for pipelines, NEMA MG1 for motors, and AWS D1.2 for aluminum welding. Project administration is managed by the City of Belmont with Willis Engineers serving as the project engineer. Payment is processed via Applications for Payment, with terms set at 30 days after presentation to the owner.

Don Moorhead Construction, Inc.

POSTED

DEADLINE

WC 1456 Lead Pipe Inspection

Solicitation # wc-1456-lead-pipe-inspection

Spiniello Companies is seeking quotes from Minority and Women-Owned Business Enterprises for the City of Baltimore Department of Public Works project WC 1456, which focuses on lead pipe inspection and replacement in Maryland. 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 should submit their quotes to estimating@spinielloco.com by the deadline of November 4, 2026. While the primary NAICS code is 237110, the project also considers codes 237310, 561990, 238910, 541730, and 237990. For further inquiries, the primary point of contact is Katherine Snider.

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DEADLINE

Recharge Master Plan Update (RMPU) Basin Improvements Project Montclair Basin Improvements

Solicitation # recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin-improvements

The Recharge Master Plan Update Basin Improvements Project focuses on infrastructure enhancements for the Montclair Basin located in San Bernardino County, California. Commissioned by the Inland Empire Utilities Agency and managed through Big Ben Engineering, this solicitation is identified by contract number IFB-JV-26-015 and falls under NAICS code 237110 for heavy and civil engineering construction. This opportunity is specifically set aside for small businesses. Interested parties must submit their responses by the deadline of October 29, 2026. Primary coordination for the project is handled by Sep Sharifi at Big Ben Engineering.

POSTED

DEADLINE

Village of Roanoke, IL Sanitary Sewer Lining Improvements

Solicitation # village-roanoke-il-sanitary-sewer-lining-improvements

SAK Construction, LLC is seeking quotes from Minority Business Enterprises and Women Business Enterprises for the Village of Roanoke, IL Sanitary Sewer Lining Improvements project. The scope of work focuses on sanitary sewer lining improvements within the state of Illinois, with specific subcontracting opportunities available for sewer cleaning and CCTV inspection, traffic control, and bypass pumping. Interested parties must complete all negotiations by October 21, 2026, as the final bid deadline is October 22, 2026, at 12:00 PM local time. Detailed plans and specifications can be obtained from Karen Sheldon at HMG Engineers, Inc. or by requesting a link from the SAK Estimating Department. For assistance regarding bonds, insurance, equipment, or materials, contact Austin Stoecker.

SAK Construction, LLC

POSTED

DEADLINE

Elgin, MN: Storm Sewer Lining/Sealing - Elgin C-Store

Solicitation # elgin-mn-storm-sewer-liningsealing-elgin-c-store

SAK Construction is seeking bids from qualified subcontractors for the Storm Sewer Lining and Sealing project located at the Elgin C-Store in Elgin, Minnesota. This solicitation specifically targets Disadvantaged Business Enterprises (DBE) and Women-Owned Business Enterprises (WBE), with set-asides available for Small Businesses, Veteran Owned Small Businesses, HUBZone Small Businesses, and Small Disadvantaged Businesses under NAICS code 237110. The scope of work includes several key subcontracting opportunities, specifically the cleaning and CCTV inspection of storm sewers, storm sewer structure rehabilitation, and the provision of traffic control services. Interested parties must contact SAK Estimating to obtain the necessary plans and specifications. All negotiations must be finalized by October 22, 2026, as the final bid deadline is October 23, 2026, at 2:00 PM local time. Primary coordination for this opportunity, including inquiries regarding bonds, insurance, and materials, is managed by Ryan Hogenmiller.

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 is located in California and seeks quotes from subcontractors and suppliers for various scopes of work, including pipe supply, electrical, paving, and aggregate supply. The solicitation is set aside for SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises. Bids must be submitted via email or fax by October 28, 2026, at 2:00 PM and must remain valid for 120 days. All participating subcontractors must possess a valid California contractor license 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. Additionally, Flatiron Dragados reserves the right to require payment and performance bonds equal to 100 percent of the contract value, with actual bond premium costs reimbursable up to a maximum of 3 percent. All bonds must be issued by a surety authorized to operate within the State of California.

Flatiron Dragados Constructors, Inc.

POSTED

DEADLINE

Greenfield Wastewater Treatment Plant Upgrade Project

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

Anderson Pacific Engineering Construction, Inc.

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Stadium Road Water Line Extension in Florence, SC

Solicitation # stadium-road-water-line-extension-florence-sc

Columbus Utilities, Inc. is soliciting bids for the Stadium Road Water Line Extension project located in Florence, South Carolina. This opportunity is specifically set aside for certified Disadvantaged Business Enterprise, Minority Business Enterprise, and Women Business Enterprise subcontractors and suppliers. The scope of work includes various subcontracting needs, with specific opportunities available for asphalt work, surveying, and general supplies or vending services. Interested parties must submit their proposals by October 22, 2026, at 2:00 PM. Submissions can be coordinated through the City of Florence or AECOM Technical Services, Inc. via phone, fax, or email. The primary point of contact for this solicitation is Tony Strickland.

Columbus Utilities, Inc.

POSTED

DEADLINE

AMERICAN BOTTOMS RWTP – SLUDGE HANDLING FACILITY

Solicitation # american-bottoms-rwtp-sludge-handling-facility

River City Construction, LLC is seeking qualified subcontractors for the American Bottoms RWTP Sludge Handling Facility project located in Illinois. The comprehensive scope of work includes site and structural activities such as earthwork, concrete, masonry, metals, and finishes, as well as the installation of plumbing, HVAC, electrical, and utility systems. Additionally, the project requires specialized expertise in process interconnections, material processing and handling equipment, and water and wastewater purification and storage systems. This solicitation is specifically targeted toward small businesses, including Disadvantaged, Minority, Women-Owned, and Veteran-Owned businesses. To be considered, bidders must submit their DBE, WBE, MBE, SDVOB, or VOB certification along with their proposal. Awards will be granted based on the low responsive bid received. The deadline for bid submission is November 5, 2026, at 2:00 PM, with bid documents available through the SmartBidNet system.

River City Construction, LLC

POSTED

DEADLINE

Biola Community Services District - Waste Water Treatment Plant Improvements Project (Redesign)

Solicitation # biola-community-services-district-waste-water-treatment-plant-improvements-project-redesign

The Biola Community Services District is seeking proposals for the Waste Water Treatment Plant Improvements Project Redesign located in Biola, Fresno, California. Managed by W.M. Lyles Co., this solicitation falls under NAICS code 237110 and is specifically designated for small businesses, including Disadvantaged Business Enterprises, Disabled Veteran Business Enterprises, Minority Business Enterprises, and Women Business Enterprises. Interested parties must submit their responses by October 21, 2026. The primary point of contact for this project is Scott Fults, who can be reached via email at cdobids@wmlylesco.com or by phone at 661-679-1164.

W.M. Lyles Co.

POSTED

about 7 hours ago

DEADLINE

in about 1 hour

General Info

Agency

Department Of Defense → W2SR Endist Caribbean(provis)

NAICS

237110 - Water and Sewer Line and Related Structures Construction

Place of Performance

Dorado and Toa Baja, Puerto Rico, PR

Set-Aside

NONE

Documents

Rio+de+La+Plata+Flood+Control+Project+Sourrces+Sought3.pdf

AI Contract Breakdown

Uniform Contract Format

Timeline

PhaseClosed

PostedApr 8

Sources Sought

Response DeadlineMay 7

Deadline has passed

Submission Closed

05/07/2026, 04:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Defense → W2SR Endist Caribbean(provis)

Contacts1 person available

OfficeSAN JUAN, PR, 00918-0000, USA

Organization / AgencyDepartment Of Defense → W2SR Endist Caribbean(provis)

Office AddressSAN JUAN, PR, 00918-0000, USA

Contacts

Samuela Adams

contact@example.gov

+1 (555) 000-0000

Full Description

Rio de La Plata Flood Control Project, North Coast Super-Aqueduct Relocation Project in Dorado and Toa Baja, Puerto Rico. See the attached document for all details concerning this sources sought and for submittal instructions.