The U.S. Army Corps of Engineers has awarded a contract to safely decommission and dismantle the SM-1A Reactor Facility at Fort Greely in Alaska.

The six-year, approximately $95.5 million contract will include planning, permitting and engineering, site preparation, demolition and disposal of facilities and components from the defueled nuclear reactor, related wells and utility corridors and other ancillary facilities. The contract also includes remediation of contaminated soils, a final status survey and site restoration.

The contract was awarded to the joint venture APTIM-Amentum Alaska Decommissioning, LLC (A3D). Members include Amentum, Heritage – M2C1 Joint Venture, a HUBZone small business location in Delta Junction, AK; Lynden Logistics; Brice Environmental; Oak Ridge Technologies; ReNuke Services; AECOM Technical Services; and Delta Junction Medical.

The SM-1A reactor at Fort Greely achieved criticality in 1962 and was shut down in March of 1972, followed by the removal and disposition of the spent nuclear fuel in 1973. The primary mission of the single-loop, 20.2 MWt pressurized water reactor was to establish a cold-weather nuclear power plant to support power to Fort Greely. The secondary mission was to study the economics of operating a nuclear plant compared with operating an oil-fired system in a remote location.

The team is targeting a full mobilization to the reactor site by mid-2024, with project completion expected by 2029.

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