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News » US » Contract awarded to fix Oroville spillways » published 20 Apr 2017

Contract awarded to fix Oroville spillways

California’s Department of Water Resources (DWR) has awarded a contract worth more than US$275m for repair work on the Oroville Dam’s spillways.

Kiewit Infrastructure West is scheduled to begin work immediately to have the system operational by 1 November, the traditional start of the winter rainy season. Its bid of US$275,443,850 was the lowest responsive bid.

The local area had been temporarily evacuated in February because of fears that the auxilliary spillway was about to collapse (link opens in new tab).

The complete recovery or replacement of the spillways will be done in multiple phases due to the enormity of the project and the time limitations of the construction season. Work has already started on portions of the ‘no regrets’ work, like road construction and slope stabilization that needs to be completed regardless of the spillway design decisions.

There were two other bidders for the project: Barnard Ames JV (US$276,965,690) and Oroville Dam Constructors (US$344,129,100). DWR’s updated engineer’s estimate for the work was $231,715,373.

Details of the three bids will not be made public, as they contain design information that is considered ‘Critical Energy/Electric Infrastructure Information’ by federal regulators and could cause a security risk if released.

 

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This article was published on 20 Apr 2017 (last updated on 25 Apr 2017).

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