This Subcontract opportunity from California was posted on September 11, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Class 2 Aggregate Base Supply & Installation

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State & Local

Submission Closed09/24/2025, 05:00:00 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: 238120

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Fire ProtectionThis subcontract for fire protection services involves the installation of fire suppression and sprinkler systems for renovation projects at Saline Area Schools. The scope of work includes the piping and installation of sprinkler heads and fire alarms to deliver a fully certified fire protection system. The contractor will operate as a subcontractor for prime contractors on these projects under NAICS code 238120. The opportunity was posted on November 14, 2026, with a response deadline of December 2, 2026. This project is managed through the state of Michigan for the Saline Area Schools agency. Interested parties can find further details and submission guidelines via the provided SIGMA portal link.

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Corpyard Phase II - Connex Structural Anchoring & Welding: (REBID)

Solicitation # 26-091-ITB

The City of West Sacramento is soliciting bids for the Corpyard Phase II project to provide all labor, materials, equipment, and specialized tooling required to anchor 14 existing shipping containers to a cement-treated asphalt surface at 4300 West Capitol Avenue. The scope of work includes container pre-checks, drilling and cleaning holes, installing Bolthold asphalt anchors, bolting down plates, performing AWS welding for angle connections, and applying zinc-rich cold galvanizing spray for rust protection. All work must be performed according to PSE stamped drawings and structural calculations, with a total project duration of 90 working days from the Notice to Proceed. The estimated project value is 35,000 dollars. The contract will be awarded to the lowest responsive and responsible bidder. Bidders must provide a bid security of at least 10 percent of the total bid price, and the successful contractor must furnish performance and payment bonds for 100 percent of the contract price. Compliance with California prevailing wage requirements and registration with the California State Department of Industrial Relations is mandatory. Proposals must be submitted electronically via the OpenGov portal by November 17, 2026, at 1:00 PM. Payment terms include 95 percent payment of progress estimates within 30 days, with a 5 percent retention held until final acceptance by the Engineer.

Capital Projects - Construction

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Vault and Access Pit InstallationThis subcontract agreement involves the supply and installation of precast concrete vaults and access pits for prime contractors working on City of Naperville projects. The scope of work specifically includes the delivery and installation of an Air Release Valve vault, a prefabricated fiberglass bypass vault, and various additional access pits, all of which must be completed in accordance with the City of Naperville Standard Specifications. Managed under the Public Utilities Water division of the Department of Public Works, the project falls under NAICS code 238120. The solicitation was posted on November 13, 2026, with a response deadline set for January 14, 2027.

Public Utilities (Water) | DPU-W

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Structural Steel Fabrication & ErectionThis subcontract for Structural Steel Fabrication and Erection involves the fabrication and installation of structural steel frames, columns, and support rails for prime contractors working on New York Department of Corrections and Community Supervision projects. The scope of work includes erecting structural frames in accordance with AISC and AWS codes, installing anchor rods and leveling plates, and ensuring corrosion protection through the application of hot-dip galvanizing or zinc silicate shop paint. To ensure quality control, the contractor must provide an American Welding Society Certified Welding Inspector. The project falls under NAICS code 238120 and is managed through the NYS OGS Design and Construction agency. The final deliverable consists of the fully installed structural steel framework and support rails.

NYS OGS Design & Construction - Construction Contractors

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Structural Steel Fabrication & InstallationThis subcontract for Structural Steel Fabrication and Installation involves the fabrication and installation of structural steel components for security and infrastructure projects under the New York State OGS Division of Design and Construction. The scope of work includes fabrication, hot-dip galvanizing, painting according to SSPC standards, and the installation of high-strength bolts. To ensure quality and compliance, the contractor must hold AISC Quality Certification, possess at least five years of relevant experience, and utilize domestic steel in accordance with General Conditions Article 25.4. The selected contractor is responsible for delivering the fully installed framework along with necessary documentation, including Mill Test Reports and Bolt Manufacturer’s Test Reports. This opportunity falls under NAICS code 238120 and was posted on November 13, 2026, with a response deadline of November 18, 2026.

NYS OGS Design & Construction - Construction Contractors

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Metal Fabrications (Ramps & Handrails)This subcontract agreement involves the fabrication and installation of architectural metalwork specifically for BC Housing group home renovation projects. The scope of work focuses on the delivery and installation of aluminum ramp and handrail systems, performed as a subcontractor for prime contractors. The project is managed under the BC Housing Management Commission for the Province of British Columbia. Interested parties must submit their responses by the deadline of December 11, 2026, for work to be performed within Canada.

BC Housing Management Commission

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Structural Steel and Metal FabricationsThis subcontract for Structural Steel and Metal Fabrications involves the fabrication and installation of structural steel framing and equipment supports for prime contractors working on California Department of General Services facility projects. The scope of work specifically includes structural steel framing under section 05 12 00, metal fabrications for equipment supports per section 05 50 00, and expanded metal gratings according to section 05 53 19, with the final deliverable being the fully installed frames and supports. The project is located in San Diego and falls under NAICS code 238120. Interested parties should note that the solicitation was posted on November 13, 2026, with a response deadline set for December 15, 2026.

California Department of General Services

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Structural Steel Testing and InspectionThis subcontract for Structural Steel Testing and Inspection involves providing independent material verification and weld inspection services for prime contractors on projects within Chesterfield County, Virginia. The scope of work includes the material verification of structural steel joints and bolted connections, visual inspections of field-welded connections, and ultrasonic testing of complete-joint-penetration welds in accordance with ASTM E164. All services must strictly conform to Construction Code Chapter 17 and AISC Chapter N, with the final deliverables consisting of detailed inspection reports and material verification certifications. The opportunity is categorized under NAICS code 238120 and was posted on November 13, 2026, with a response deadline of December 17, 2026. Performance of the contract will take place in Chesterfield, Virginia. Interested parties can find further details through the provided web procurement link.

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Structural Steel Fabrication and InstallationThis subcontract for Structural Steel Fabrication and Installation involves the fabrication and installation of structural steel connecting components and knife plates for prime contractors on projects within Chesterfield County, Virginia. The scope of work includes performing field verification of foundations, removing existing knife plates, and welding new plates to base plates. All shop fabrication must adhere to AISC 303 and AISC 360 standards using ASTM A572 and A36 steel with a hot-dipped galvanized finish. To ensure quality and safety, the contract requires the use of AWS D1.1/D1.1M certified welders to deliver the completed structural steel framework and connected knife plates. The solicitation was posted on November 13, 2026, with a response deadline of December 17, 2026. The project falls under NAICS code 238120 and is performed in Chesterfield, zip code 23832.

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Midlothian Mines Headstock Replacement

Solicitation # IFB27000129

Chesterfield County is soliciting bids for the Midlothian Mines Headstock Replacement, a project to construct a headstock replica at Midlothian Mines Park. The scope of work includes field verification of existing foundations, removing and welding new steel knife plates, fabricating and erecting a new heavy timber headstock with custom steel connection plates, and installing copper flashing. Additionally, the contractor must refurbish and reinstall existing winder wheels and apply specific wood-preservative treatments. All steel components must be hot-dipped galvanized according to ASTM standards, and timber must be kiln-dried Southern Pine with UC5C pressure preservative treatment. The contract will be awarded to the lowest responsive and responsible bidder based on a lump sum bid. Bids are due by December 17, 2026, and must be submitted via hard copy or the County's eProcurement system. A non-mandatory pre-bid conference is scheduled for November 19, 2026. Bidders must provide a bid bond equal to 5% of the total bid price, and if the bid exceeds $500,000, both performance and payment bonds of 100% of the contract price are required. Payment is typically made within 30 days of receiving an accurate invoice, with a 5% retainage applied to monthly estimates. The project is subject to various regulatory compliances, including federal, state, and local environmental and safety regulations, as well as Equal Employment Opportunity requirements.

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Metal RailingsThis subcontract opportunity involves the installation of metal railings and guards for prime contractors working on Air National Guard facility projects located at Pease ANGB. The selected provider will be responsible for delivering and installing safety railings in strict accordance with specification 05 52 00. The project is managed by the Department of Defense under the W7NN Uspfo Activity Nhang 157 agency and is designated as a total set-aside for small businesses under NAICS code 238120. Interested parties must submit their responses by December 14, 2026.

W7NN Uspfo Activity Nhang 157

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Structural Steel & FramingThis subcontract opportunity is for the fabrication and installation of structural steel, joists, and metal framing for Air National Guard facility projects located at Pease ANGB. The scope of work includes structural steel work, steel joist framing, steel deck installation, cold-formed metal framing, and structural welding in accordance with specifications 05 12 00 through 05 40 00, resulting in the delivery of a completed structural steel skeleton and wall framing. Managed by the Department of Defense under the W7NN Uspfo Activity Nhang 157 agency, this project is designated as a total Small Business Set Aside under NAICS code 238120. The solicitation was posted on November 13, 2026, with a response deadline set for December 14, 2026.

W7NN Uspfo Activity Nhang 157

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1 day ago

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in 29 days

AI Contract Overview

This subcontract opportunity with the California Department of Transportation involves the supply and placement of 8 cubic yards of Class 2 Aggregate Base. The scope of work specifically requires the contractor to provide environmental compliance testing and certification to ensure all materials and installation methods meet regulatory standards. The solicitation was posted on September 11, 2025, and requires responses to be submitted by the deadline of September 25, 2025. This project falls under NAICS code 238120 and is managed through the Cal eProcure system.