Lifeline Engineering Approach to Seismic Qualification

by Thomas L. Anderson, (M.ASCE), Supervising Structural Engr.; Fluor Engrs. and Constructors, Inc., Irvine, Calif.,
Douglas J. Nyman, (M.ASCE), Sr. Project Engr.; Woodward-Clyde Consultants, Houston, Tex.; formerly, Engr., Seismic Studies, Alyeska Pipeline Service Co., Anchorage, Alaska,

Serial Information: Journal of the Technical Councils of ASCE, 1979, Vol. 105, Issue 1, Pg. 149-161

Document Type: Journal Paper


Equipment qualification to meet seismic design requirements has become an important consideration in lifeline earthquake engineering. The most notable non-nuclear project to date where seismic qualification was a major consideration is the trans-Alaska Pipeline System (Alyeska Project). The approach used for equipment qualification, as developed and employed on the Alyeska Project, is described. Considerable flexibility permitted development of a cost-effective and schedule-accommodating program. Major problems encountered are identified, the approach used to solve these problems is described, and a set of recommended guidelines for future projects is given. The analyses of the Alyeska approach includes the project seismic criteria, description of the performance-based specification strategy for resolving problems, and the continuous tracking of qualification progress.

Subject Headings: Earthquake engineering | Lifeline systems | Seismic tests | Seismic design | Equipment and machinery | Seismic effects | Earthquakes | Pipelines

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