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
Blue Lake Dam Expansion in Sitka, Alaska
The massive arch of the dam is being formed using a combination of VARIO GT 24, CB and PERI’s new single sided climbing system, SCS.
The remoteness of the jobsite in Sitka, Alaska presented additional challenges in planning and logistics support
Blue Lake Dam Expansion in Sitka, Alaska
The massive arch of the dam is being formed using a combination of VARIO GT 24, CB and PERI’s new single sided climbing system, SCS.
The remoteness of the jobsite in Sitka, Alaska presented additional challenges in planning and logistics support
Project Information
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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