Priest Rapids Project Honored with ENR Northwest Award of Merit

The Priest Rapids Right Embankment Project was honoroed this month by the ENR Northwest, the project was given the Award of Merit in the Water/Environment category. An independent group of architectural, engineering and construction experts reviewed projects from across Washington, Oregon and Alaska and selected 13 Best Projects and 15 Awards of Merit. Projects were evaluated on the project team's ability to overcome challenges, their contribution to the industry and community, safety, construction, and design quality. 

IMCO Construction completed construction in September 2023. After years of planning and additional years of dedication, challenging scope, and inspiring teamwork, the Priest Rapids Right Embankment Improvement Project replaced the existing earthen dam, and added reinforcement to the right bank of the river to address the stability of the embankment near the Priest Rapids Dam facility. The project improved earthquake safety. 

A new roller compacted concrete (RCC) dam with a short connecting embankment and secant pile cut-off wall was tied into the existing embankment. The RCC dam was constructed on basalt bedrock downstream from the existing embankment. 

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