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Seismic design recommendations for substations, including qualification of different equipment types are discussed. Design recommendations consist of seismic criteria, qualification methods and levels, structural capacities, performance requirements for equipment operation, installation methods, and documentation.(Additional download can be found at https://standards.ieee.org/downloads/693-2018_downloads.zip)
- Standard Committee
- PE/SUB - Substations Committee
- Joint Sponsors
-
PE/SUB
- Status
- Active Standard
- PAR Approval
- 2010-11-08
- Superseding
- 693-2005
- Amendment
-
693a-2024
- Board Approval
- 2018-10-23
- History
-
- Published:
- 2019-04-10
Additional Resources
- Downloads
- 693-2018_downloads.zip
Working Group Details
- Society
- IEEE Power and Energy Society
- Standard Committee
- PE/SUB - Substations Committee
- Working Group
-
WGD4 - WGD4 - Seismic Design of Substations
- IEEE Program Manager
- Patricia Roder
Contact Patricia Roder - Working Group Chair
- Michael Riley
Other Activities From This Working Group
Current projects that have been authorized by the IEEE SA Standards Board to develop a standard.
P693
Recommended Practice for Seismic Design of Substations
The recommended practice contains recommendations for the seismic design of substation buildings and other structures as well as the seismic design and qualification of substation equipment. The recommended practice addresses new substations and planned additions or improvements to existing substations. The recommended practice does not require existing substations to be retrofitted. Instructions on how to include this recommended practice in specifications are provided. This recommended practice is designed as an integrated set of requirements for the seismic qualification of electrical power equipment. This recommended practice is to be applied without modification or removal of any requirement, except as allowed herein.
Standards approved by the IEEE SA Standards Board that are within the 10-year lifecycle.
693a-2024
IEEE Recommended Practice for Seismic Design of Substations Amendment 1: Alterations of Transformers and Select Appendages, Surge Arresters, Response Spectra, Time Histories, and Their Qualification Methodologies
Seismic design recommendations for substations, including qualification of different equipment types are discussed in this amendment. Design recommendations consist of seismic criteria, qualification methods and levels, structural capacities, performance requirements for equipment operation, installation methods, and documentation. Additional files can be found here: https://standards.ieee.org/wp-content/uploads/2025/01/693a-2024_downloads.zip
These standards have been replaced with a revised version of the standard, or by a compilation of the original active standard and all its existing amendments, corrigenda, and errata.
693-2005
IEEE Recommended Practice for Seismic Design of Substations
Seismic design recommendations for substations, including qualification of each equipment type, are discussed. Design recommendations consist of seismic criteria, qualification methods and levels, structural capacities, performance requirements for equipment operation, installation methods, and documentation
These standards have been removed from active status through a ballot where the standard is made inactive as a consensus decision of a balloting group.
No Inactive-Withdrawn Standards
These standards are removed from active status through an administrative process for standards that have not undergone a revision process within 10 years.
No Inactive-Reserved Standards