How to bid on Bolted Tainter Gate Fabrication for Lock and Dam 21, Dept of Defense

What the agency is buying

The Department of Defense, specifically the Army Corps of Engineers, needs new bolted Tainter gates fabricated and delivered for Lock and Dam 21 in Quincy, Illinois. These gates will be approximately 20 feet high by 64 feet long.

This project involves off-site fabrication of the gates, which are made from cold-rolled shapes and welded assemblies. The welded assemblies must meet AWS D1.1 standards and are designed to be structurally reliable without fracture-critical members. This is a fabrication and delivery project, suitable for small businesses.

Key dates and deadlines

This solicitation was published on August 20, 2026. All responses must be submitted by September 17, 2026, at 12:00 PM ET. It is important to submit your bid before this deadline, as late submissions are typically not accepted.

Who this opportunity suits

This opportunity is suitable for businesses specializing in fabrication, especially those with experience in large-scale metalwork and welding that meets AWS D1.1 standards. Firms with a background in construction or manufacturing of components for infrastructure projects, particularly those related to waterways or dams, would be well-suited. The project is categorized under construction.

How to respond

To access the full solicitation details and prepare your response, you will need to go to the original source portal. Click the “View original source” button. If the first click takes you to the portal's homepage, click it again to go directly to the bid. You may need to create a free account on the portal to view all documents, though this is not always required for every bid.

Tips for a competitive response

When preparing your response, clearly demonstrate your firm's capability to fabricate large-scale welded assemblies in compliance with AWS D1.1 standards. Highlight any experience with similar gate fabrication or heavy metal construction projects. Provide details on your quality control processes to assure the structural reliability required for these gates.

Ensure your proposal addresses the specific dimensions and material requirements mentioned. Pay close attention to the delivery aspect of the project, outlining your logistics plan for transporting such large components. If you need a CADD model, contact [email protected] directly.