An Overview of Earthquake Design Requirements at Pacific Bell

by Keith E. Johnsen, Pacific Bell, Sacramento, CA, USA,

Document Type: Proceeding Paper

Part of: Lifeline Earthquake Engineering: Performance, Design and Construction


Seismic design considerations for the telephone system including outside plant and telephone equipment are discussed with emphasis placed on the requirements incorporated in the design of telephone equipment buildings. In recent years there have been only two seismic events which substantially shook telephone facilities. The first was the San Fernando Earthquake in 1971. The second was the Coalinga Earthquake in May 1983.

Subject Headings: Building design | Earthquakes | Seismic design | Equipment and machinery | Load and resistance factor design | Seismic effects | Construction costs | Lifeline systems

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