U.S. awards runner blade crack repair contract at Carters Dam hydro project

The U.S. Army Corps of Engineers has awarded a contract for repair of cracks in runner blades of two turbines at the 575-MW Carters Dam hydropower project in Georgia.

Carters Dam was built in 1977 on the Coosawattee River for flood control and hydropower.

The Corps awarded Tennessee-based Hydro Power Services LLC a $217,113 contract to repair cracks in blades of Units 1 and 2.

The Francis turbines were manufactured by Newport News Ship Building and Dry Dock Co., operating at 163.6 rpm with an original output of 125 MW, at a rated head of 345 feet. Carters’ generators were rewound to 143.75 MW in the early 1990s.

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