Blue Lake Dam Expansion in Sitka, Alaska

Blue Lake Dam
Sitka, AK, United States

The Blue Lake Dam Expansion project is located in Sitka, Alaska and is an expansion of the hydroelectric dam which provides the power for Sitka. The main scope includes a new intake, penstock, gate tunnel and gate house and the addition of approximately 90 ft onto the existing arch dam. The expansion of the dam will provide approximately 27 % more electricity for Sitka and in turn will create more opportunity for growth while maintaining energy independence. 

Contractor
Barnard Construction

 

 

 

 

Location

The Project

Impressions from the project process

Project Information

Shawn Perrin
Shawn Perrin
Shawn Perrin
Superintendent
The formwork provided by PERI for the dam, especially for the cantilevered spillway, was critical to the success of this remote project.  Customer support and logistics were top notch in delivering formwork via a 5 day trip by barge.

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Blue Lake Dam Expansion in Sitka, Alaska
Blue Lake Dam Expansion in Sitka, Alaska