Missouri River BSNP - Navigation Obstruction Removal (RM 90-91)

The U.S. Army Corps of Engineers, Kansas City District, is soliciting construction services for the removal of navigation obstructions on the Missouri River at River Miles 90-91 in Warren County, Missouri. The scope of work includes dismantling, demolition, removal, and disposal of rock outcroppings and other navigation obstructions using floating plant equipment and mechanical methods such as excavators and hydraulic hammers, with no blasting or diving permitted. All work must comply with federal Clean Water Act guidelines (Sections 404(b)(1) and 401 water quality permits) and state of Missouri requirements. The sealed bid solicitation (W912DQ26BA011) was issued on March 23, 2026, with bids due by 10:00 AM Central Daylight Time on April 22, 2026, requiring electronic submission through the PIEE Solicitation Portal. Key deliverables include a Contractor Quality Control Plan, Environmental Protection Plan, Accident Prevention Plan, Activity Hazard Analysis, survey documentation using multibeam sonar, weekly progress reports, and hazardous and solid waste management compliance documentation.

This acquisition is designated as a 100% small business set-aside under NAICS Code 237990 (Heavy Construction) with a $45 million size standard. Four contractors submitted bids on April 22, 2026: W A Ellis Construction Co. ($5,355,200), Bloomsdale Excavating Company, Inc. ($5,722,000), Dubuque Barge and Fleeting Service Co. ($6,355,000), and Adata Holdings LLC, with the government estimate established at $4,318,500. The estimated project value ranges between $1,000,000 and $5,000,000, with two contract line items: the base performance period covers obstruction removal at River Miles 90.3 to 90.6 over 390 calendar days, while an optional CLIN extends work to River Miles 89.9 to 90.3 for a total performance period of 560 calendar days. The contractor must mobilize within 60 calendar days of award and begin performance within 10 calendar days after receiving notice to proceed, with liquidated damages of $1,530 per calendar day for failure to meet the contract completion date. Performance and payment bonds equal to 100% of the original contract price are required, and all work will be performed on the Missouri River with no land access available for removal or disposal operations.