Fish passage works awarded at Cle Elum Dam, US

2 October 2017

Northbank Civil & Marine, Inc is to build a new fish passage tunnel at Cle Elum Dam in Washington, US, under a $15.2 million contract awarded by the US Bureau of Reclamation.

Work under this contract involves constructing a 1250ft tunnel from the previously constructed secant pile shaft to the downstream stilling basin. The Fish Passage Facility is a component of the Yakima River Basin Integrated Water Resource Management Plan, which focuses on water conservation, irrigation needs, fisheries, and watershed health. Principal components of the work include earthwork, tunnel, cast-in-place reinforced concrete features, metal fabrications, and electrical features.

Construction activity will begin in mid-October 2017 and be completed in August 2020.

“The fish passage project is a vital partnership program with the Yakama Nation and the State of Washington,” said USBR’s Acting Commissioner Alan Mikkelsen. “The construction of a tunnel will provide a safe downstream pathway from the reservoir to the Cle Elum River for juvenile salmon, including sockeye.”

Cle Elum Dam is an earthfill dam, built in 1933. It is owned and operated by the USBR. Cle Elum Dam is located on the Cle Elum River about 75 miles northwest of Yakima, Washington.


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