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Corps awards contract for bluff stabilization at 100-MW Old Hickory

The U.S. Army Corps of Engineers has awarded a contract to Bluegrass Contracting Corp. to perform bluff stabilization at the 100-MW Old Hickory hydroelectric project on the Cumberland River in Tennessee.

The Corps took bids in June for the work to stabilize the right abutment bluff at Old Hickory Dam by placing reinforced shotcrete in three separate areas. The Corps also took bids in August to fabricate and deliver tainter gate hoist chain assemblies and lifting lug assemblies for Old Hickory.

Bluegrass, of Lexington, Ky., received a $613,485 contract for the bluff stabilization, which includes scaling the rock bluffs in order to remove overhangs and irregularities. The contractor is to install rock dowels, wire mesh reinforcement, and fiber-reinforced shotcrete.

The work had been expected to cost between $1 million and $5 million.

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