Maintenance gate rehabbed and returned to Boundary Dam

SEATTLE, Washington, U.S. 10/5/11 (PennWell) — Seattle City Light recently completed rehabilitating a 312-ton sluice maintenance gate at Boundary Dam on the Pend Oreille River in northeast Washington.

The gate was removed in September 2010 for rehabilitation. The year-long rehab project was completed in September 2011. The gate was recently put back in place as the reservoir was lowered to allow workers to mount the gate to the dam.

The gate sits underwater and is used to seal off one of the dam’s seven sluices so that regular maintenance can be performed on the gates used to control the amount of water in the reservoir.

“Boundary Dam is a vital resource for Seattle City Light, providing about half of the electricity we produce for our customers, and a significant contributor to the economy of Pend Oreille County,” said Superintendent Jorge Carrasco. “Completing this maintenance work is an important part of ensuring its operation for years to come.”

The gate’s last rehabilitation occurred 28 years ago, the utility said.

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