Army Lock and Dam 25 1200 Ft Lock Project

Design, bid, build requirement for the Lock and Dam 25 1,200 ft lock project in Winfield, Missouri under the Navigation & Ecosystem Sustainability Program.

Solicitation Summary

The Department of the Army, Corps of Engineers, Mississippi Valley Division, St. Louis District, has a Design, Bid, Build requirement for an Industry Day for Lock and Dam 25, New 1,200ft Lock Project as part of the Navigation & Ecosystem Sustainability Program (NESP).

Solicitation in a Nutshell

Item

Details
Agency Department of the Army, Corps of Engineers, Mississippi Valley Division, St. Louis District
Solicitation Number W912P924R2937
Status Pre-RFP
Solicitation Date 06/2026 (Estimate)
Award Date 02/2027 (Estimate)
Contract Ceiling Value $500,000,000
Competition Type  Full and Open / Unrestricted
Type of Award Other
Primary Requirement  Other Construction Services
Duration N/A
Contract Type  Firm Fixed Price
No. of Expected Awards N/A
NAICS Code(s):
237990

Other Heavy and Civil Engineering Construction
Size Standard: $45.0 million annual receipts except $37.0 million annual receipts for Dredging and Surface Cleanup Activities
Place of Performance:
  • Winfield, Missouri, United States
Opportunity Website: https://sam.gov/opp/1205a66981cf465fb1ab95aa3c9bdcc9/view

Requirements

  • The proposed project will consist of construction of a new 1,200 ft lock chamber founded on deep foundations to be constructed riverward of the existing 600 ft lock chamber, construction of a new upstream ported approach wall, construction of a downstream approach wall designed to block flow through the wall, construction of site development features to provide access routes, staging areas, disposal areas, operations facilities, and public access for both construction and operation of the lock. The existing Intermediate Wall will be extended approximately 600 ft while the new River Wall for the chamber will be approximately 1,200 ft. A lock floor will be constructed for the new chamber that will require dewatering and unwatering to construct the floor. Modification to the existing filling and emptying system and construction of a new filling and emptying system will be included in the construction of the new chamber. Partial demolition of existing monoliths on the Intermediate Wall and River Wall will be required to construct the new lock wall monoliths’
    connection to the existing walls. Demolition of the upstream guard wall will be part of the project. Dredging will be required to construct the new chamber.

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