Atka - Chuniisax Creek Hydroelectric Project

This project consists of completing construction of a new hydroelectric power plant to provide low cost electric power to the community of Atka.

Construction of the powerhouse building and foundation and construction of the acess road to the powerhouse and the dam were completed in 2005 with funding from the Denali Commission and Department of Energy RUS.

The cross flow turbine for the project was purchased from Ossberger in 2005 through funding from Aleutian Pribilof Island Community Development Association (APICDA).

The City of Atka will be constructing the project with the local workforce. Construction Managment for the project is being supplied by Marsh Creek, LLC.

Project plans and specifications were prepared by Polarconsult Alaska, Inc. This website is maintained by the design Engineer. All of the data on this web site is for informational purposes. While all efforts are made to insure the accuracy of the data on this site it is the responsibility of the end user of this data to insure the accuracy and suitability of the information and end user assumes all responsibility for actions and decisions based on this information.

Construction Drawing Set April 15, 2010

Vicinity Map, Drawing Index & Notes, 4 sheets (pdf, 1,455k)

Project Survey Control & Notes, 1 sheet (pdf, 345k)

Dam Drawings and Specifications, 6 sheets (pdf, 1,502k)

Penstock plan profile, details, notes and specifications, 8 sheets (pdf, 1,946k)

Electrical plan & profile, details and notes, 4 sheets (pdf, 4,705k)

Existing Powerhouse Building Structural Drawings, 6 sheets (pdf, 6,763k)

Existing Powerhouse Building Electrical Drawings, 1 sheet (pdf, 888k)

Construction Specifications & Shop Drawings April 15, 2010

Electrical distribution specifications and Staking sheet, 11 pages (pdf, 145k)

Turbine controls performance specification, 14 pages (pdf, 968k)