Lock Foundation and Site Preparation for Lock and Dam 25
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The Department of Defense is procuring construction services for the Lock Foundation and Site Preparation for Lock and Dam 25 as part of the Navigation Ecosystem Sustainability Program. Key requirements include excavation, dredging, and the construction of a separator wall and deflector, along with site preparation activities for staging and laydown areas. Proposals must be submitted via email to specified contacts by the stated deadlines.
Scope & Requirements
The work involves lock foundation and site preparation activities including excavation, dredging, and construction of necessary structures for the Lock and Dam.
Attachments (23)
Contract Details
- Contract Type
- TBD
- Estimated Value
- est. $25M – $45MSimilar contracts award $44K – $1.1M (median $204K, 8,719 awards)Above typical range
- NAICS Codes
Agency & Contact
Contracting Organization
- Agency
- DEPT OF DEFENSE
- Sub-Agency
- U.S. Army Corps of Engineers
- Office
- St. Louis District
Point of Contact
Key Dates
Description
This amendment is issued to provide replies to ProjNet Bidder Inquiries, and make all resulting changes. ProjNet Bidder Inquiries is re-opened through 4:00pm CST,
3 April 2026. There are some
attachments that must be requested in order to be provided via DoD SAFE. See
attachments for full details of amendment 0003. Amendment 0002 This amendment is hereby issued to make administrative updates to the above-referenced solicitation in accordance with the Government Responses to ProjNet Bidder Inquiries as of
4 March 2026: Amendment 0001 This amendment is issued to make administrative updates to the solicitation. Proposal will be submitted via EMAIL Angie Grimes at [email protected] and Whitney Dee at [email protected] The U. S. Army Corps of Engineers, St. Louis District, is seeking a firm to furnishing all equipment, labor, operators, supervision/site superintendent, quality control, supplies, materials, and incidentals necessary to satisfactorily perform and provide construction activities of lock foundation and site preparation work. The lock foundation work establishes the lock wall and floor foundation. It consists of excavation and disposal of existing scour protection riprap that was part of previous scour hole emergency repair, dredging of sand fill, placement of sand fill in the proposed lock foundation, and placement of riprap berm. Work also includes the construction of a separator wall that will separate the river side riprap berm from the dredged sand that will be placed as foundation material for the future river wall monoliths and lock floor. The separate wall will be a sheet pile wall braced with piles. This effort also includes a deflector on the downstream side of the dam to route water flowing through the tainter gated dam adjacent to the river walls around the sheet pile separator wall. For the site preparation work, additional dredge borrow will be placed upland for a future staging and laydown area and a sanitary outfall pipe will be installed. Angie Grimes Alternative
Point of Contact Whitney Dee to this opportunity. Solicitation Amendment W912P926RA0010003 SF 30.pdf B3MRLD25202402-PLAN_SET_AMND-2026-03-27-Amendment 0003 Plans.pdf ProjNet Bidder Inquiries and Government Replies as of
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