MIDDLE MISSISSIPPI RIVER STONE DIKE ALTERATION (NESP)

The U.S. Army Corps of Engineers, St. Louis District, is seeking a firm to perform stone dike alterations and related river training construction within the Middle Mississippi River near Herculaneum and Ste. Genevieve, Missouri. This project, identified under solicitation number W912P926BA0040001, involves modifying 44 existing structures and constructing two new structures across two separate ten-mile reaches of the river. The scope includes repairing or constructing stone structures and revetments, as well as the notching or removal of existing structures using traditional marine construction equipment such as floating plants and barge-mounted cranes.

The work requires the degradation, removal, or relocation of Graded Stone A, which features a 5,000-pound top-size; notably, all construction of new structures will utilize recycled stone from the modified sites, and no procurement of new stone material is required. This project is classified under NAICS 237990 Other Heavy and Civil Engineering Construction and PSC Y1PZ Construction of Other Non-Building Facilities. Amendment 0001 to this special notice incorporates government responses to bidder inquiries, revises specifications regarding no-work stages, and updates applicable FAR and DFARS clauses.

Administrative oversight for this requirement is managed by the W07V ENDIST ST LOUIS office with Abrielle Campbell serving as the point of contact. One PDF attachment was included with the notice update on June 1, 2026. Interested parties must submit responses by the deadline of June 1, 2026, at 10:00 AM CST. All operations must be performed in accordance with the provided specifications and drawings to ensure the effective modification and construction of river training structures.