Flatiron-AECON JV, from Renton, Washington, has been awarded a $691,144,851 modification (P00003) to contract W912DW-25-C-0001 on March 24, 2026, for the construction of additional water storage and fish passage facility at the Howard A. Hanson Dam.
Contract Award Details
| Contractor: | Flatiron-AECON JV |
| Award Date: | March 24, 2026 |
| Contract Value: | $691,144,851 (Modification) Cumulative: $707,791,268 |
| Project: | Construction of Additional Water Storage and Fish Passage Facility, Howard A. Hanson Dam |
| Location: | Ravensdale, Washington |
| Contract Number: | W912DW-25-C-0001 (P00003) |
| Awarding District: | U.S. Army Corps of Engineers, Seattle District |
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.
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