Peak Hydro awarded contract for ring repairs at Blue Mesa

The Bureau of Reclamation awarded a $458,534 contract to Peak Hydro Services of Chattanooga, Tenn., to repair draft tube discharge rings at the 86.4-MW Blue Mesa hydroelectric plant.

The plant is part of the 1,747-MW Colorado River Storage Project near Montrose, Colo.

Under the contract, Peak Hydro will repair draft tube discharge rings for Blue Mesa’s two Francis turbines. The turbine diameter is 10 feet, while the discharge ring diameter is 8 feet, 1 inch.

The rings have been damaged by cavitation. A previous attempt by the installation of steel plates failed. Peak Hydro must remove remaining plates prior to weld repair and devise the best method to repair the damage.

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