This Government Contract opportunity from Department Of Defense was posted on June 15, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Riprap Stone Supply from USACE-Approved Quarry

Closed

Federal

Submission Closed06/22/2026, 04:00:00 PM UTC

Contract Overview

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

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NAICS: 212312

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SB2 Limestone and B-Stone Material SupplyThis subcontract, managed by the Department of the Interior under the Fws Sat Team 3, involves the supply of SB2 limestone and B-Stone aggregate for prime contractors working on U.S. Fish and Wildlife Service projects. The scope of work includes the quarrying, processing, and loading of 1,125 tons of SB2 limestone and 140 tons of B-Stone, totaling 1,265 tons of material. To ensure compliance with aggregate specifications, the provider must supply certified scale tickets for all material weights. The opportunity is designated as a total Small Business Set Aside under NAICS code 212312. It was posted on September 4, 2026, with a response deadline of September 18, 2026.

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Rock Slope Protection Material SupplyThis subcontract for Rock Slope Protection Material Supply involves the procurement and delivery of rock and riprap material for prime contractors working on Central Valley Flood Protection Board projects in Redding, California. The selected provider is responsible for sourcing quarry-based rock that meets all project specifications, managing the haulage to the project site, and providing necessary material quality certifications for all delivered aggregates. The contract is categorized under NAICS code 212312 and was posted on September 4, 2026. It focuses on the essential supply chain logistics of transporting and certifying high-quality rock materials to support flood protection infrastructure within the Redding area.

Central Valley Flood Protection Board

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BICY - 18194 - Stabilize Oasis Off Road Vehicle TrailThe Department of the Interior is seeking a materials-only contract for cyclic maintenance and stabilization of a 19.3 mile off road vehicle trail known as the Oasis Off Road Vehicle Trail. The project involves applying limestone rock over existing caprock and utilizing geotextile fabric with limestone cover in areas where soil depth exceeds one foot. The trail will be maintained at a width of ten to twelve feet, with all trail beds kept at or below the existing grade to preserve natural hydrological flow. This opportunity is listed as a forecast under NAICS code 212312. The primary point of contact for the project is Thomas Forsyth, with additional support provided by the Contract Support Center.

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Aggregate SupplyThis subcontract for Aggregate Supply is managed by the Procurement and Contract Services agency in Washington. The contractor is responsible for providing crushed surfacing materials, including both base course and top course aggregates, to prime contractors working on road projects within Pierce County. The scope of work involves the delivery of specified tonnages of crushed aggregate directly to the designated project sites. The solicitation was posted on September 2, 2026, with a response deadline of September 30, 2026. This opportunity falls under NAICS code 212312 and is structured as a subcontract to support regional infrastructure improvements.

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RSP Material Supply (Aggregate/Rock)

Caltrans, District 5 - San Luis Obispo/Santa Barbara

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Ellis County

POSTED

11 days ago

DEADLINE

in 19 days

AI Contract Overview

This contract involves the supply of 67,451 tons of durable limestone riprap that must adhere to specific gradation and ASTM testing standards. The riprap is intended for shoreline erosion control at Rathbun Lake, ensuring that materials are both resilient and suitable for long-term environmental protection. The procurement is classified under NAICS code 212312, which relates to quarrying operations. The contract is a subcontract opportunity posted by the Department of Defense through the W071 Endist Kansas City office, with performance expected in Centerville. The solicitation was posted on June 15, 2026, with a submission deadline of June 22, 2026. The source of the riprap must be a USACE-approved quarry, indicating strict quality control and compliance requirements. This opportunity targets suppliers capable of delivering large volumes of high-quality riprap within a short timeframe to support the infrastructure project.