ANSI/ASSE Z117.1 : 2009

1. General
2. Definitions
3. Identification and Evaluation
4. Non-Permit Confined Spaces (NPCS)
5. Permit Required Confined Spaces (PRCS)
6. Atmospheric Testing
7. Entry Team
8. Isolation and Lockout/Tagout
9. Ventilation
10. Cleaning/Decontamination
11. Personal Protective Equipment (PPE)
12. Auxiliary Equipment
13. Safety Signs and Symbols
14. Emergency Response, Evacuation and Rescue
15. Training of the Confined Space Entry Team
16. Medical Suitability
17. Contractors
Appendices:
Appendix A - Logic Diagram for Confined Space Entry
Appendix B - Standards and Other Referenced and Related
             Materials on the Subject of Confined Spaces
Appendix C - Examples of Confined Space Surveys and Permits

Specifies minimum safety requirements to be followed while entering, exiting and working in confined spaces at normal atmospheric pressure.