The purpose of this standard is to establish minimum requirements and procedures for the safety and health of employees who work in, and in connection with, confined spaces.

Table of Contents

1. General
        1.1 Scope
        1.2 Exceptions
        1.3 Purpose
        1.4 Application
 2. Definitions
 3. Identification and Evaluation
        3.1 Confined Space Survey
        3.2 Hazard Identification
        3.3 Hazard Evaluation
        3.4 Confined Space Classification
        3.5 Hazard Re-Evaluation
        3.6 Written Program
 4. Non-Permit Confined Spaces (NPCS)
        4.1 Controls
        4.2 Training
        4.3 Re-Evaluation
        4.4 Atmospheric Testing
 5. Permit Required Confined Spaces (PRCS)
        5.1 Entry Permits
        5.2 Permit Implementation
        5.3 Validity of Permits
        5.4 Revoking Permits
 6. Atmospheric Testing
        6.1 General Criteria
        6.2 Testing Considerations
        6.3 Acceptable Limits
 7. Entry Team
        7.1 Attendant
        7.2 Entrant
        7.3 Attendant(s)/Entrant(s) Communication
        7.4 Entry Supervisor
        7.5 Atmospheric Tester
 8. Isolation and Lockout/Tagout
        8.1 General
        8.2 Isolation
        8.3 Lockout/Tagout
 9. Ventilation
        9.1 Requirements
 10. Cleaning/Decontamination
 11. Personal Protective Equipment (PPE)
        11.1 General
        11.2 Selection
        11.3 Inspection
 12. Auxiliary Equipment
        12.1 Entry and Exit
        12.2 Retrieval Equipment
        12.3 Fall Prevention
        12.4 Electrical Equipment
 13. Safety Signs and Symbols
        13.1 Identification
 14. Emergency Response, Evacuation, and Rescue
        14.1 Emergency Response Plan
        14.2 Atmospheric Monitoring
        14.3 Respiratory Protection Equipment
        14.4 Rescue Equipment Inspection
 15. Training of the Confined Space Entry Team
        15.1 General Requirements
        15.2 Entry Supervisor
        15.3 Authorized Entrant
        15.4 Attendant
        15.5 Atmospheric Tester
        15.6 Rescue Personnel
 16. Medical Suitability
 17. Contractors
        17.1 Hazard Appraisal
        17.2 Identification of Rescue Responder
        17.3 Permit System
        17.4 Coordination
        17.5 Ongoing Dialogue
 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

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