Standard Number:IEEE 693-2005 
Standard Name:IEEE Recommended Practice for Seismic Design of Substations
Standard Size:60.7M
File Format:PDF
Introduction:IEEE 693-2018 superseded IEEE 693-2005
1.1 Scope
The recommended practice contains recommendations for the seismic design of substation buildings and structures, and the seismic design and qualification of substation equipment.
1.2 Purpose
This recommended practice is for new substations and planned additions or improvements to existing substations. It is not intended that existing substations must be retrofitted to these recommended practices.Instructions on how to include this recommended practice in specifications are provided. IEEE Std 693 is designed as an integrated set of requirements for the seismic qualification of electrical power equipment.Users should use IEEE Std 693 without modification or removal of any requirement, except as allowed herein.
1.3 General
This recommended practice provides minimum requirements for the seismic design of substations and seismic qualification of equipment. Emphasis is on seismic qualification of electrical equipment and its anchorage. Instructions on the use of this recommended practice is provided in Clause 4.
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