Guidewall Repair Locks 5,6,8,&9

Solicitation W912ES-17-B-0002, issued by the Department of Defense through the US Army Corps of Engineers St. Paul District, is a 100% small business set-aside for the repair of upper and lower guidewall cribbing at Locks and Dams 5, 6, 8, and 9 on the Mississippi River. The project locations include Minnesota City, MN, and Trempealeau, Genoa, and Lynxville, WI. The primary scope of work involves stabilizing pile foundations by filling voids in rock-filled cribs using low-density cellular concrete, with specific requirements for dive inspection videos, formwork installation, and the use of floating silt curtains. The estimated cost for the project is between 1 million and 5 million dollars per lock. The contract is categorized under NAICS code 237990 and includes extensive technical specifications, geotechnical data, and construction drawings for each site. Key deliverables and requirements include the adherence to vertical and horizontal control points, coordination of site staging and restoration, and the utilization of government-furnished information such as boring logs and soil classification reports. Administrative oversight is managed by Contracting Officer Kevin P. Henricks and Jesse Onkka, with the solicitation having been posted in August 2017.