Priest Rapids Spillway Stability Improvement Project

Project Details

Nicholson-Kuney Joint Venture Project:
At Priest Rapids Dam, improvements are required to increase the stability of the spillway. The Scope for remediation includes installing 38 post-tensioned anchors through the concrete ogee sections of multiple spillway monoliths, into the underlying bedrock foundation. Nicholson-Kuney JV is tasked with all drilling operations and access including contractor designed and installed working platforms, and crane and barge support.

Project Specs

Location

Columbia River, WA

Owner

Grant County PUD

Completion

2028

Size

$50-$100m

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