Intermountain Power Project Seismic Criteria

by Robert P. McBean, (M.ASCE), Supervisor; Structural Analysis Group, Power Div., Black & Veatch Engrs.-Architects, Kansas City, MO. 64114,
Luis E. Escalante, (M.ASCE), Sr. Power Engr.; Power Design and Construction Div., Dept. of Water & Power, City of Los Angeles, Calif.,
Arthur W. Shively, (M.ASCE), Struct. Engr.; Power Design and Construction Div., Dept. of Water & Power, City of Los Angeles, Calif.,


Serial Information: Journal of Technical Topics in Civil Engineering, 1983, Vol. 109, Issue 1, Pg. 73-87


Document Type: Journal Paper

Abstract: Four 750 MWe coal-fueled electric generation units of the Intermountain Power Project are being constructed in an earthquake-prone area of Utah (UBC Zone 3). This paper reviews the seismic design philosophy and describes the criteria and procedures used for seismic design of the structures and equipment. Buildings are designed in accordance with the Uniform Building Code, with strong connections, direct load paths, redundant framing, and a high degree of ductility. Equipment is designed by the engineers and suppliers in accordance with detailed specifications which reflect the behavior of similar plant components during recent earthquakes, the UBC provisions, the ATC 3-06 recommendations, and considerable communication between the consulting engineers, project managers for the utility, and key suppliers. These criteria should provide a practical, cost-effective approach for minimizing seismic damage and service interruptions.

Subject Headings: Seismic design | Seismic tests | Consulting services | Electric power | Earthquakes | Equipment and machinery | Building codes | Utah | United States | North America

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