13

Seismic Considerations

Eric Fujisaki

Pacific Gas and Electric Company

13.1  Earthquakes and Substations

13.2  Seismic Design Standards for Substations

Importance of Standards • IEEE 693 and Complementary Standards

13.3  Seismic Design Process

13.4  Seismic Qualification

Qualification Levels and Design Earthquake • Selection of Qualification Level • Methods of Qualification • Equipment Supports • Performance Level and Projected Performance Level

13.5  Installation

References

13.1    Earthquakes and Substations

This chapter discusses the current seismic design standards and practices employed in high seismic hazard areas of North America. The Institute of Electrical and Electronic Engineers (IEEE) Standard 693-2005, Seismic Design of Substations ...

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