Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Safety
5 Preventive maintenance
6 Corrective maintenance
7 Post-fault maintenance
8 Fitness for purpose assessment
9 Device substitution
Annex A (normative) - Equipment no longer commonly
used but which might be present in old
installations
Annex B (informative) - Diagnostic aids
Bibliography