BAE Systems and Technology Solutions & Services Inc., Rockville, Maryland, was awarded a $79,588,804 modification (P00080) to contract W912DY-22-F-0105 for operations, maintenance, and management services for the Department of Defense Supercomputing Resource Center. Bids were solicited via the internet with one received. Work locations and funding will be determined with each order, with an estimated completion date of Aug. 17, 2027. U.S. Army Corps of Engineers’ Engineer Research and Development Center, Vicksburg, Mississippi, is the contracting activity.

HydroGeologic Inc.,* Reston, Virginia, was awarded a $49,000,000 firm-fixed-price contract for environmental remediation services. Bids were solicited via the internet with 14 received. Work locations and funding will be determined with each order, with an estimated completion date of May 27, 2030. U.S. Army Corps of Engineers, Omaha, Nebraska is the contracting activity. (W9128F-25-D-0009).

Inland Dredging Co. LLC, Dyersburg, Tennessee, was awarded a $40,000,000 firm-fixed-price contract for rental of a 24-inch cutterhead dredge with operator. Bids were solicited via the internet with one received. Work locations and funding will be determined with each order, with an estimated completion date of July 28, 2026. U.S. Army Corps of Engineers, Mobile, Alabama, is the contracting activity (W91278-25-D-0043).

Luhr Crosby LLC, Columbia, Illinois, was awarded a $30,000,000 firm-fixed-price contract for stone repairs to revetments and dikes. Bids were solicited via the internet with four received. Work locations and funding will be determined with each order, with an estimated completion date of March 31, 2027. U.S. Army Corps of Engineers, Vicksburg, Mississippi, is the contracting activity (W912EE-25-D-A003).