Middle mississippi river stone dike alteration (NESP)
Closed Special Notice Posted
- Solicitation number
- W912P926BA0040001
- 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
- Herculaneum, MO and Ste. Genevieve, MO 63103
- Points of contact
Notice details come from SAM.gov. Updated .
About this opportunity
The U.S. Army Corps of Engineers, St. Louis District, issued Amendment 0001 to its stone dike alteration solicitation for the Middle Mississippi River near Herculaneum and Ste. Genevieve, Missouri, with a response deadline of June 1, 2026 at 10:00 a.m. CST (not extended). The amendment provides government answers to bidder inquiries, revises Section 3.3.2 (No Work Stages) of the specifications, removes DFARS Clause 252.215-7009, and adds FAR Clause 52.222-34 in full text; all other terms and conditions remain unchanged. The work entails modifying 44 existing river training structures and constructing two new structures entirely from recycled stone sourced from the modified structures across two separate ten-mile reaches of the Mississippi River. Modification work involves degradation, removal, and relocation of Graded Stone A (5,000-pound top-size); furnishment of new stone material is not required. The contractor must provide all plant, labor, material, equipment, and perform all operations including revetments, notching, removal, and appurtenant work in accordance with specifications and drawings. Work is anticipated to use traditional river marine construction equipment such as floating plant and barge-mounted cranes. NAICS code 237990 (Other Heavy and Civil Engineering Construction); PSC Y1PZ (Construction of Other Non-Building Facilities).
Notice text
***Amendment 0001 The purpose of this amendment is to provide Government answers to Bidder Inquiries and a revision to Section 3.3.2 No Work Stages of the specifications. Also, this amendment will remove DFARS Clause 252.215-7009 and add FAR Clause 52.222-34 as a full text. Response deadline of 01 June 2026 at 10am CST will not be extended. All other Terms and Conditions will remain unchanged. The U. S. Army Corps of Engineers, St. Louis District, is seeking a firm to furnish all plant, labor, material, and equipment and performing all operations in connection with the repair of existing or construction of new stone structures, revetments, notching or removal of existing structures, and appurtenant work in accordance with this section of the specifications and the applicable drawings. The work consists of modifying and constructing river training structures in the Mississippi River near Herculaneum, Missouri and Ste. Genevieve, Missouri. The work is spread across two separate ten-mile reaches of the Mississippi River and includes modifying 44 structures and constructing two new structures entirely from recycled stone from the modified structures. In general, dike modification refers to some form of degradation, removal, and/or relocation of Graded Stone A, which is 5,000-pound top-size. Furnishment of new stone material will not be required for the work. The work is anticipated to be accomplished with traditional river marine construction equipment, such as floating plant and barge mounted crane.
Notice history
| Notice | Type | Posted |
|---|---|---|
| This notice | Special Notice | |
| Middle mississippi river stone dike alteration (NESP) | Solicitation | |
| Middle mississippi river stone dike alteration (NESP) | Pre-Solicitation |
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