How to bid on Culvert Replacement at Knightville Dam for the Dept of Defense

What the agency is buying

The Department of Defense is seeking a contractor to replace two culverts at Knightville Dam in Huntington, Massachusetts. This project involves furnishing all labor, materials, and equipment for the replacement work.

Specifically, the work includes removing an existing 64-foot stone box culvert and replacing it with a new precast concrete three-sided box culvert. Additionally, a 28-foot, 24-inch corrugated metal pipe under the paved entrance road will be replaced. The estimated value for this construction project is between $100,000 and $250,000.

Key dates and deadlines

This solicitation was published on August 06, 2026. The deadline for submissions is August 21, 2026, at 5:00 PM ET. All proposals must be received by this time to be considered.

Who this opportunity suits

This opportunity is set aside specifically for small business vendors. The applicable NAICS code is 237310, which covers Highway, Street, and Bridge Construction, with a small business size standard of $45 million. Firms specializing in civil construction, particularly culvert and road infrastructure replacement, are well-suited for this project.

To be eligible, all vendors must have an active registration in SAM.gov at the time of submission. Proposals from vendors without an active SAM.gov registration will be rejected.

How to respond

To access the solicitation documents, you will need to click the “View original source” button. If the first click takes you to a homepage, click the button again. You may need a free account to view all documents, though this is not always required.

Carefully review all provided documents to understand the full scope of work, specifications, and submission requirements.

Tips for preparing a competitive response

Ensure your SAM.gov registration is active and up-to-date well before the submission deadline. This is a mandatory requirement, and lack of an active registration will lead to rejection.

Thoroughly review the scope of work for both culvert replacements. Pay close attention to the specific materials required, such as the precast concrete three-sided box culvert, and ensure your proposal reflects a clear understanding of these requirements.

Provide a detailed breakdown of your proposed approach for each culvert replacement, including your plan for labor, materials, and equipment. Clearly demonstrate your capability to perform the work within the estimated project value.

Highlight any relevant past experience with similar culvert replacement or civil construction projects, especially those involving both stone and corrugated metal pipe replacements. This can strengthen your proposal by showing your firm's expertise.