This Government Contract opportunity from Michigan was posted on April 7, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Structural Steel Welding and Fabrication

Closed

State & Local

Submission Closed04/23/2026, 03:00:00 PM UTC

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NAICS: 238213

Federal

Structural Steel Fabrication and Welding for Underground StructuresThe contract involves the fabrication and installation of corrosion-resistant stainless steel components, including railings and support frames, specifically for use in confined underground areas at Mammoth Cave National Park. The work requires specialized welding and fabrication techniques suited for the unique challenges of subterranean environments, where moisture, limited access, and structural constraints demand high precision and durable materials. All components must meet stringent standards for longevity and safety in a sensitive natural setting, ensuring minimal environmental impact and long-term structural integrity. The contract, classified under NAICS code 238213 for structural steel fabrication and welding, is a subcontract awarded by the Department of the Interior through its Ser East MABO office. Performance is strictly limited to the Mammoth Cave area with a ZIP code of 42259, and the solicitation was posted on July 15, 2026. While no set-aside details are provided, the work is confined to a federally managed site, requiring compliance with all National Park Service regulations and safety protocols for underground operations. Access, logistics, and execution must account for the delicate ecological and historical context of the cave system.

POSTED

DEADLINE

Structural Steel Framing InstallationThe contract requires the supply and installation of structural steel framing compliant with ASTM C 754, ensuring alignment with architectural and structural drawings as well as all applicable manufacturer specifications and code requirements. The work demands precise coordination across disciplines to guarantee structural integrity and regulatory adherence throughout the installation process. All materials and methods must meet industry standards and be executed in accordance with technical specifications outlined in the project documentation. This is a subcontract under Sourcewell, with a response deadline of March 29, 2030, and a NAICS code of 238213 indicating specialization in structural steel framing services. The solicitation is part of Sourcewell’s cooperative purchasing program, accessible via the provided online link, and allows eligible contractors to participate under its established framework. While no specific location or point of contact is detailed, the performance site and administrative responsibilities are governed by the terms outlined in the broader cooperative agreement and associated technical directives.

Sourcewell

POSTED

8 months ago

DEADLINE

in over 3 years

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This subcontract opportunity, issued by the City of Grand Rapids Department of Engineering in Michigan, involves the fabrication and welding of structural and reinforcing steel components. The selected contractor will be responsible for ensuring all work adheres to AWS D1.4 and ACI 318 standards, with a scope of work that encompasses field splicing, welding, and comprehensive inspection services. The solicitation was posted on April 7, 2026, and requires responses to be submitted by the deadline of April 23, 2026, at 3:00 PM. Classified under NAICS code 238213, this project focuses on specialized steel fabrication and installation to meet specific engineering and safety requirements for the city.

Structural Steel Welding and Fabrication

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