The U.S. Bureau of Reclamation has awarded Portland, Oregon’s Triad Mechanical Inc. a US$806,496 contract for improvements to the Roza Diversion Dam in Washington state, the Bureau of Reclamation reported.
The contract was awarded under the American Recovery and Reinvestment Act of 2009.
The improvements will include replacing the bottom and side seals of the existing west roller gate and to attach 23 manually-operated weirs to the top of the west roller gate. The weirs will be used to provide continuous flow for steelhead. The fish are listed under the Endangered Species Act.
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