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Corps awards contract for plunge pool repairs at 185.3-MW Fort Peck

ASI Constructors Inc. has won a contract worth US$33.9 million to repair the plunge pool at Montana's 185.3-MW Fort Peck hydropower project.

The U.S. Army Corps of Engineers sought bids for the work in August, which is a response to 2011 flood damage in the Missouri River Basin that includes Fort Peck and five other major Corps hydroelectric plants.

Per the contract, ASI Constructors will "improve the stability of the existing cutoff structure by filling a significant portion of the scour hole with Roller Compacted Concrete (RCC) and installing tieback anchors through the existing cutoff wall".

The company will also use training walls for the placement of backfill, which will support the existing cutoff structure wing walls to help divert erosive flows.

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