John Day Dam, hydroelectric facility awarded two contracts worth $2.6M

John Day Dam

Ross-Brandt Electric Inc. and J.E. McAmis Inc. have won contracts totaling more than $2.6 million from the U.S. Army Corps of Engineers to perform work at John Day Dam on the Columbia River in Oregon.

Ross-Brandt of Hermiston, Ore., received a $2.07 million contract to supply electrical equipment for the 2,160-MW John Day powerhouse. Work involves replacing and upgrading the direct current and preferred alternating current system, including replacing and upgrading batteries, battery racks, chargers, switchboards, panel boards, feeders and feeder breakers of the system. The system is used to provide uninterruptible power to critical station service loads in the event of power failure.

J.E. McAmis of Chico, Calif., was awarded a $637,000 contract to repair failed monolith water stops to significantly reduce the amount of water entering John Day Dam. Methods are to include pavement joint sealant, drilled socket water stops, and surface-mounted rubber gasket water stops. Repairs are to be performed in the dewatered fish-way, roadway deck and several dam galleries.

Several other contracts recently have been awarded for work at the dam, including a $293,000 contract to Knight Construction & Supply Inc. to replace wire rope and perform load testing for an emergency intake crane.

This article originally appeared on HydroWorld.com. It was published with permission.

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