1 Scope and object
2 Normative references
3 Terms and definitions
4 Seismic qualification requirements
5 Severities
6 Qualification by test
7 Qualification by combination of test and analysis
8 Evaluation of the seismic qualification
9 Documentation
Annex A (normative) - Characterization of the test sample
for analysis
Annex B (informative) - Criteria for seismic adequacy of
enclosed switchgear and controlgear
Annex C (Informative) - Dynamic analysis methods
Annex D (Informative) - Expected peak ground accelerations
for different earthquake scales
Bibliography