Seismic Restraint of Equipment in Buildings

by Carl H. Jordan, Head of Mech. and Elec. Engrg.; Skidmore, Owings & Merrill, San Francisco, Calif.,

Serial Information: Journal of the Structural Division, 1978, Vol. 104, Issue 5, Pg. 829-839

Document Type: Journal Paper


Criteria and design solutions for seismic restraint of mechanical and electrical equipment in buildings are not standardized among building codes, industry standards, and engineers. A review is made of the effect of earthquakes on mechanical and electrical equipment and of selected codes and standards, emphasizing those in California. Seismic restraint must be compatible with the need for some mechanical and electrical systems to be free of the structure for reasons of thermal movement and vibration control. Finally, suggestions are made for distribution of responsibilities among mechanical and electrical engineers, structural engineers, equipment manufacturers, and contractors.

Subject Headings: Electrical equipment | Seismic tests | Seismic effects | Equipment and machinery | Seismic design | Building codes | Electrical systems | Power transmission | California | United States

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