U.S. awards excitation, switchgear contracts at 27.9-MW Elephant Butte

SALT LAKE CITY, Utah, U.S. 10/05/11 (PennWell) — The Bureau of Reclamation has awarded contracts totaling $3 million to replace excitation systems and unit and station service switchgear at the 27.945-MW Elephant Butte hydroelectric project on the Rio Grande in Sierra County, N.M.

Koontz Electric Co. Inc. of Morrilton, Ark., received a $1.8 million contract to furnish and install new fully static excitation equipment for the three units in the power plant including fused disconnect switches, power potential transformers, circuit breakers, SCR bridges, digital voltage regulators and limiters, instrumentation, protection, and control components. Reclamation took bids for the work in July.

Eaton Corp. of Raleigh, N.C., received a $1.2 million contract to furnish and install new 15-kilovolt unit switchgear, 4.76-kV station service switchgear, 5-kV insulated power cables, 600-kV insulated cables, and electrical conduits for Elephant Butte. Reclamation took bids for that work in August. (HydroWorld 8/2/11)

Reclamation awards switchgear retrofill for 19.5-MW Headgate Rock

Reclamation also awarded a $420,644 contract to Siemens Industry Inc. to retrofill low-voltage station service switchgear at the Bureau of Indian Affairs’ 19.5-MW Headgate Rock Dam in Arizona.

The agency took bids for that work in June.

Siemens Industry, of Buffalo Grove, Ill., is to perform a retrofill, replacing existing breakers, operating controls and other components, specially designed so that they fit within existing racks. Reclamation called for state-of-the-art solutions in circuit breaker technology for replacement of circuit breakers and associated cubicle/cradle hardware to increase the safety of racking operations and to mitigate arc flash hazard.

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