Sediment Removal, Black Rock Lake, Thomaston, CT

The U.S. Army Corps of Engineers, New England District, seeks sediment removal and culvert cleaning at Black Rock Lake in Thomaston, Connecticut, with proposals due August 14, 2026 at 5:00 PM Eastern. This procurement is set-aside for small business and carries a mandatory SAM.gov active registration requirement at time of submission; vendors without active SAM registrations will be rejected as non-responsive.

Place of performance is Thomaston, Connecticut. The work scope includes removal of approximately 1,600 cubic yards of sediment from the lake and transport to an upland storage location on government property, complete end-to-end cleaning of two concrete box culverts (one measuring 8 feet high by 12 feet 2 inches wide by 21 feet long on Old Route 109; a second measuring approximately 6 feet by 4 feet by 20 feet at a cul-de-sac), installation of erosion and sediment controls per Department of Transportation standards, and site cleanup and stabilization. The estimated value is between $25,000 and $100,000. Work must commence within 21 days of Notice to Proceed and be completed no later than 210 calendar days thereafter, performed Monday through Friday from 7:00 AM to 3:30 PM. The government will coordinate lake drawdown in advance; upon drawdown, the contractor must initiate sediment removal within two days and complete lake sediment removal within 14 days.

The NAICS code is 238910, Site Preparation Contractors, with a Small Business Size Standard of $19 million. Preconstruction submittals including an Accident Prevention Plan, Activity Hazard Analysis, and Environmental Protection Plan must be submitted and accepted within 21 days of Notice to Proceed before field work begins. Payment protections of 100% Performance Bond or Irrevocable Letter of Credit are required within 10 days of award if contract value exceeds $35,000. Vendors must submit three contract references from the past three years with similar scope, size, and complexity, preferably government contracts. Site visits are highly recommended and should be coordinated with Rachel Beach, Natural Resources Specialist, at 860-338-0178 or Rachel.k.Beach@usace.army.mil. Amendment 0003 issued August 12 extended the closing date from August 13 and addressed industry questions regarding culvert dimensions and sediment control specifications.