This Subcontract opportunity from Department Of Defense was posted on January 27, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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On-Site Riprap Placement and Supervision

Closed

Federal

Submission Closed02/03/2026, 10:00:00 AM CST

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

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NAICS: 237990

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DEADLINE

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Solicitation # imperial-irrigation-district-east-highline-reservoir

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Granite Construction Company

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ADVANCE NOTICE: Rail Modernization Program

Solicitation # WMATA-0000010871

The Washington Metropolitan Area Transit Authority has issued an advance notice for the Rail Modernization Program under solicitation number WMATA-0000010871. This solicitation is categorized under NAICS code 237990, which pertains to other heavy and civil engineering construction. The notice was posted on November 11, 2026, and the deadline for responses is set for September 30, 2027. Interested parties can find further details and manage bids through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

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Embankment and Beach Sand Installation

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Site Clearing and Excavation ServicesThis subcontract for Site Clearing and Excavation Services involves performing essential site preparation for Virginia Department of Transportation roundabout projects located in New Kent County. The scope of work includes clearing, grubbing, and executing both regular and borrow excavation to achieve required grades, ensuring the site is fully prepared for subsequent drainage and pavement installation. The opportunity was posted on November 11, 2026, with a response deadline of December 16, 2026. Classified under NAICS code 237990, the contract is designed for providers capable of delivering graded and cleared sites to prime contractors operating under the Virginia Department of Transportation.

Virginia Department of Transportation

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DEADLINE

RFI-TOM-LOG26_01_Mise en place de répertoire de prestataires en BTP dans la Région de Tombouctou Cheick Abdoul Kader THERA - [email hidden]

Solicitation # RFI-TOM-LOG26_01

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POSTED

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TRAVAUX D’AMÉNAGEMENT/REHABI DE QUATRE PÉRIMÈTRES AGRICOLES DE 4 HA (LOT 1 et 2)

Solicitation # UNDP-TCD-01048,1

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POSTED

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Construction of Check Dam in Hazrat Omar Village, Ghazni Province and Rehabilita

Solicitation # UNDP-AFG-00909

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Infrastructure and Upgrading with Maintenance Interventions for New Parking Near Area Office - Saida Area [email hidden]

Solicitation # PLD/PJ/BC/26/058

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POSTED

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The Ohio Department of Natural Resources is seeking proposals for the Lake Logan Dam Improvements project under solicitation number 49593. This SLED organization opportunity is categorized under NAICS code 237990, focusing on specialized construction activities related to dam infrastructure. The solicitation was posted on November 10, 2026, and requires all responses to be submitted by the deadline of November 20, 2026, at 7:00 PM. Interested parties can find further details and submission guidelines through the provided Bid Express link.

Ohio Department of Natural Resources

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Tri Village Park Pier Construction (Choctaw Beach Fishing Pier)

Solicitation # 27-01

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This project involves comprehensive park improvements and stream corridor restorations at Ryerson Station State Park in Richhill Township, Greene County, Pennsylvania. The scope of work includes the construction of an access road, a new bridge over an old lakebed, a loop trail, parking facilities, pavilions, a play area, and a comfort station. Additionally, the project entails the installation of a pedestrian bridge, paddle craft launches, fishing docks, and necessary utility updates and extensions. The stream restoration component focuses on floodplain excavation, the construction of a main channel and kayak trail, bank armoring, the installation of habitat pools, and pond construction. With an engineer's estimate exceeding 1 million dollars, the solicitation sets specific participation goals of 17 percent for Small Diverse Businesses and 3 percent for Veteran Business Enterprises. This solicitation is issued by the Commonwealth of Pennsylvania Department of Conservation and Natural Resources.

Commonwealth of Pennsylvania - Department of Conservation and Natural Resources

POSTED

1 day ago

DEADLINE

in 20 days

AI Contract Overview

The On-Site Riprap Placement and Supervision subcontract involves the installation of riprap along riverbanks between River Miles 605 and 640 in Cassville. The scope of work requires the use of heavy equipment and may include additional services such as surveying and quality control to ensure project specifications are met. This project is being managed under the Department of Defense through the W07V Endist St Paul agency. This opportunity is designated as a Total Small Business Set-Aside under NAICS code 237990. Interested parties must submit their responses by February 3, 2026, at 4:00 PM. The solicitation was officially posted on January 27, 2026.

General Info

Agency

Department Of Defense → W07V Endist St Paul

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

Cassville, WI, USA

Set-Aside

SBA

Documents

This scope was carved out of W912ES26QA014.

The full solicitation package (5 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Guttenberg Ponds Rock Supply

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Timeline

PhaseClosed

PostedJan 27

subcontract

Response DeadlineFeb 3

Deadline has passed

Submission Closed

02/03/2026, 10:00:00 AM CST

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Organization & Contact Information

AgencyDepartment Of Defense → W07V Endist St Paul

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Defense → W07V Endist St Paul

Office AddressN/A

ContactsNo contact information available

Full Description

Placement of riprap along riverbanks between River Miles 605–640 using heavy equipment, potentially including surveying and quality control.

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On-Site Riprap Placement and Supervision

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