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Alyeska Reroutes Trans-Alaska Pipeline at MP 200

by Gary G. Simmons, Alyeska Pipeline Service Co, Civil/Design Engineering Group, Anchorage, AK, USA,
John E. Ferrell, Alyeska Pipeline Service Co, Civil/Design Engineering Group, Anchorage, AK, USA,



Document Type: Proceeding Paper

Part of: Cold Regions Engineering

Abstract:

This paper discusses the 1985 wintertime repair/reroute to the Trans Alaska Pipeline System (TAPS). The rerouted pipe was approximately 4000 feet long and cost approximately 27 million. The affected pipe was buried beneath the main channel of the Dietrich River, 200. 6 miles from the beginning of the pipeline at Prudhoe Bay, and 84 miles above the Arctic Circle. The problem identification, the repair options and the construction methods are presented herein. Also included are associated construction difficulties and concluding recommendations which may be useful to other operators of remote Arctic pipelines.

Subject Headings: Pipelines | Construction methods | Rehabilitation | Buried pipes | Transportation engineering | Winter | Weather conditions | Alaska | United States | Arctic

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