LOCK FOUNDATION AND SITE PREPARATION FOR LOCK and DAM 25 NAVIGATION ECOSYSTEM SUSTAINABILITY PROGRAM (NESP)
Closed Pre-Solicitation Posted
This opportunity was awarded. See its 2 award notices in the notice history.
- Solicitation number
- W912P926RA001
- Agency
-
ENDIST St Louis
US Army Corps of Engineers, Department of Defense
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- NAICS code
- 237990 Other Heavy and Civil Engineering Construction
- Place of performance
- Winfield, Missouri 63389, United States
- Points of contact
Notice details come from SAM.gov. Updated .
About this opportunity
The U.S. Army Corps of Engineers, St. Louis District, is seeking qualified contractors to perform lock foundation and site preparation work for Lock and Dam 25 as part of the Navigation Ecosystem Sustainability Program (NESP). Located approximately 61.5 river miles upstream from St. Louis and 241.5 miles above the mouth of the Ohio River, this complex infrastructure project involves foundation preparation, riprap excavation, separator wall installation, downstream guide wall silt removal, and comprehensive site preparation activities. The procurement is structured as a firm-fixed-price construction contract under NAICS code 237990 (Other Heavy and Civil Engineering Construction). The technical specifications include detailed engineering requirements for sheet pile separator walls, deflector panels, dredging operations at depths ranging from 395.0 to 414.0 NAVD88 elevation, and precise structural modifications to existing lock and dam infrastructure. The pre-solicitation notice was posted on February 26, 2025, with responses due by October 6, 2025, and the current plans and specifications are at 95 percent design maturity.
This procurement does not utilize any set-aside designations and is open to all qualified contractors capable of performing heavy civil engineering construction work. No incumbent contractors or current service providers are identified in the available documentation. While specific contract values or budget ranges are not disclosed in the pre-solicitation materials, the scope involves extensive marine construction, dredging, and structural work across multiple river miles between Illinois and Missouri. The anticipated performance period is 365 calendar days from the issuance of the notice to proceed, indicating a substantial construction effort requiring specialized expertise in marine infrastructure, foundation work, and navigation facility construction. The project encompasses work at various sections spanning river miles 240-243 and includes complex technical elements such as 48-inch pipe piles, steel sheet piling installations, and systematic construction sequencing for the downstream guide wall rehabilitation.
Notice text
3 versions
Update #3 · Latest ·
The U.S. Army Corps of Engineers (USACE), St. Louis District, is seeking businesses that are interested in and capable of constructing the Lock Foundation and Site Preparation for Lock and Dam 25. Lock and Dam 25 is located approximately 61.5 river miles upstream from St. Louis and 241.5 miles above the mouth of the Ohio River. The contract is anticipated to be a Firm-Fixed-Price Construction contract. The anticipated period of performance for this project is 365 calendar days from issuance of the notice to proceed (NTP). ---- Amd 0002 provides Plans & Specifications are at a 95 percent level of design maturity and are not the final set that will go out with the solicitation.
Update #2 ·
The U.S. Army Corps of Engineers (USACE), St. Louis District, is seeking businesses that are interested in and capable of constructing the Lock Foundation and Site Preparation for Lock and Dam 25. Lock and Dam 25 is located approximately 61.5 river miles upstream from St. Louis and 241.5 miles above the mouth of the Ohio River. The contract is anticipated to be a Firm-Fixed-Price Construction contract. The anticipated period of performance for this project is 365 calendar days from issuance of the notice to proceed (NTP). ---- Amd 0001 provides uncorrupted set of Plans.
Update #1 ·
The U.S. Army Corps of Engineers (USACE), St. Louis District, is seeking businesses that are interested in and capable of constructing the Lock Foundation and Site Preparation for Lock and Dam 25. Lock and Dam 25 is located approximately 61.5 river miles upstream from St. Louis and 241.5 miles above the mouth of the Ohio River. The contract is anticipated to be a Firm-Fixed-Price Construction contract. The anticipated period of performance for this project is 365 calendar days from issuance of the notice to proceed (NTP).
Files
Notice history
| Notice | Type | Posted |
|---|---|---|
| LOCK FOUNDATION AND SITE PREPARATION FOR LOCK and DAM 25 NAVIGATION ECOSYSTEM SUSTAINABILITY PROGRAM (NESP) | Award Notice | |
| LOCK FOUNDATION AND SITE PREPARATION FOR LOCK and DAM 25 NAVIGATION ECOSYSTEM SUSTAINABILITY PROGRAM (NESP) | Award Notice | |
| LOCK FOUNDATION AND SITE PREPARATION FOR LOCK and DAM 25 NAVIGATION ECOSYSTEM SUSTAINABILITY PROGRAM (NESP) | Solicitation | |
| LOCK FOUNDATION AND SITE PREPARATION FOR LOCK and DAM 25 NAVIGATION ECOSYSTEM SUSTAINABILITY PROGRAM (NESP) | Pre-Solicitation | |
| This notice | Pre-Solicitation |
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