How to bid on Lock and Dam 25 New 1,200 FT Lock for the Dept. of the Army

What the agency is buying

The Department of the Army Corps of Engineers is seeking a contractor to build a new 1,200-foot lock and associated guard walls at Lock and Dam 25. This project is part of the Navigation and Ecosystem Sustainability Program (NESP).

The work involves significant civil engineering construction. Specifically, it includes constructing a new 1,200-foot drilled shaft-founded lock in the auxiliary miter gate bay, a 1,200-foot upstream ported guard wall, and a 650-foot downstream guard wall. The existing 600-foot lock will remain and serve as an auxiliary lock once the new one is operational.

Key dates and deadlines

This solicitation was published on July 14, 2026. The deadline for submitting your response is November 16, 2026, at 11:00 AM ET. All proposals must be received by this time.

Who this opportunity suits

This opportunity is suitable for construction firms with expertise in large-scale civil engineering projects, particularly those involving dam and lock construction, marine construction, or heavy infrastructure. Companies with experience in drilled shaft foundations and guard wall construction will find this relevant. The project falls under the construction category.

How to respond

To access the full details of this solicitation, you need to request Attachment 0004 Plans (Volume 1-7) and Attachment 0005 Navisworks Federated Model. These large files must be requested via email from Contract Specialist Whitney Dee at [email protected]. They will be sent to you via DoD SAFE.

You can view the original source of the opportunity on the portal by clicking the provided link. If the first click takes you to the portal's homepage, click it again to go directly to the bid. You may need a free account on the portal to view some documents, though this is not always required.

Practical tips for a competitive response

Given the scale and technical nature of this project, ensure your proposal clearly demonstrates your firm's experience with similar large-scale civil engineering and marine construction projects. Highlight any specific expertise in lock construction, drilled shaft foundations, or guard wall installation.

Pay close attention to the detailed plans and models once you receive them. A thorough understanding of the project's scope and technical requirements will be crucial for developing an accurate and competitive bid. Clearly outline your proposed methodology, project management plan, and quality control measures. Ensure all required documentation is submitted by the deadline.