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LOCK FOUNDATION AND SITE PREPARATION FOR LOCK and DAM 25 NAVIGATION ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)

Closed — responses were due 31 Mar 2026 · Unrestricted (full and open) · Department of the Army, DoD · NAICS 237990 · Solicitation W912P926RA001

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A newer version of this notice has been posted. SAM.gov republished solicitation W912P926RA001 on 23 April 2026. This page is kept because it is a real record, but the current requirement, dates and attachments are on the latest version. Read the latest version →

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This solicitation has closed — responses were due 31 March 2026.

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Solicitation details

Solicitation numberW912P926RA001
Notice ID94e7c6a9687b495a8eaf240a54433841
AgencyDepartment of Defense (DoD)
Sub-agencyDepartment of the Army
Contracting officeW07V ENDIST ST LOUIS
NAICS code237990 — Other Heavy and Civil Engineering Construction
Product / service code (PSC)Y1PZ
Set-asideUnrestricted (full and open)
Notice typePresolicitation
Posted15 January 2026
Response deadline31 March 2026 (closed)

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Description

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.

Version history

SAM.gov has posted 12 notices under solicitation W912P926RA001, oldest first.

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Market context: DoD and NAICS 237990

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  • In fiscal year 2026, DoD obligated $6.0B across 521 contract actions under NAICS 237990.
  • 385 contracts worth $12.5B in this category end within the next 18 months.

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