United States, March 24 -- Flatiron-AECON JV, Renton, Washington, was awarded a $691,144,851 modification (P00003) to contract W912DW-25-C-0001 for the construction of additional water storage and fish passage facility at the Howard A. Hanson Dam. The modification brings the total cumulative face value of the contract to $707,791,268. Work will be performed in Ravensdale, Washington, with an estimated completion date of Dec. 17, 2031. Fiscal 2026 civil construction funds in the amount of $175,187,170 were obligated at the time of the award. U.S. Army Corps of Engineers, Seattle, Washington, is the contracting activity.

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