ASCE Manual of Practice No. 96

This manual, Guide to Improved Earthquake Performance of Electric Power Systems, documents methods to improve the earthquake response of electric power systems. A review of the manual should raise the awareness and understanding of the vulnerabilities of power system facilities and equipment. The emphasis is on power system elements that have been damaged by earthquakes, primarily high-voltage substation equipment; however, power generating stations, transmission and distribution lines, substations, system communications and control, and ancillary facilities and functions are also discussed.

A detailed review of earthquake damage to power facilities and suggestions to improve their performance are presented. This manual suggests an overall approach to an earthquake mitigation program. Postearthquake emergency response procedures to reduce the disruption from damaged facilities are also discussed. This Guide demonstrates that improved installation practices and other mitigation measures, particularly for new construction and during refurbishment, are cost-effective in any region with a history of significant earthquake activity.