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An Overview of Cold Region Considerations for the Design of the Eklutna Water Project

by Gregory S. Harris, James M. Montgomery Consulting, Engineers Inc, Anchorage, AK, USA,



Document Type: Proceeding Paper

Part of: Cold Regions Engineering

Abstract:

The paper presents a brief overview of cold regions considerations that were considered during the design of the various elements of the Eklutna Water Project in Anchorage, Alaska. The major elements of the project consist of a lake diversion tunnel, a raw water transmission pipeline, two energy recovery stations, a 35 million gallons per day (132. 5 megaliters per day) water treatment facility, a clearwell, and a treated water transmission pipeline. Cold regions problems considered during design include everything from a thermal analysis of the transmission pipeline, to the prevention of freezing at drainage culverts. Other cold regions considerations/design solutions are discussed. The paper is intended to highlight the many different types of cold regions issues which must be dealt with on a project of this diversity, and to present an overview of the more important cold region considerations for the major project elements of this particular project.

Subject Headings: Project management | Water supply systems | Water treatment plants | Water pipelines | Thermal analysis | Power transmission | Water tunnels | Alaska | United States

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