Confined Space

Standards & Regulations

• 29 CFR 1910.146 Permit-Required Confined Spaces
• Appendix A Permit-Required Confined Space Decision Flow Chart
• Appendix B Procedures for Atmospheric Testing
• Appendix C Examples of Permit-Required Confined Space Programs
• Appendix D Confined Space Pre-Entry Check List
• Appendix E Sewer System Entry
• Appendix F Rescue (Non-Mandatory)
• DA Pam 385-10, Ch. 14-4 Confined Space

U.S. Army Corps of Engineers

• EM 385-1-1 (full document) 

Compliance Guides

• ANSI Z117.1-2009 Safety Requirements for Confined Spaces (Requires paid subscription)
• Comparison Document of ANSI/ASSE Z117.1 American National Standard Safety Requirements for Confined Spaces for Versions 1995, 2003 and 2009
• Protecting Construction Workers in Confined Spaces: Small Entity Compliance Guide

Additional Information

• Confined Space Entry Plan Template New!
• Calibrating and Testing Direct-Reading Portable Gas Monitors
• Hazards of Nitrogen Asphyxiation Video (Chemical Safety Board)
• Atmospheric Testing in Confined Spaces (OSHA Fact Sheet)
• Confined Space Entry Program (Berkley National Lab)
• Hazards of Nitrogen Asphyxiation (Chemical Safety Board)
• Hazards of Nitrogen Asphyxiation (Dept of Energy)
• Leaders Guide to Confined Space (USACRC)
• Permit Required Confined Spaces (OSHA Guide 3138)
• Welding in Confined Spaces (American Welding Society)
• Confined Space Entry (GA Tech) (PPT)

Related Links

• Confined Space Rescue Plan
• OSHA Confined Spaces Safety & Health Topics website
• NIOSH Confined Spaces

Training

• OSHA Training Institute (OTI)
  • Permit-Required Confined Space Entry (Course # 2264)
  • Permit-Required Confined Space Standard (Course #7300)
• Confined Spaces: Deadly Spaces
• No escape: Dangers of Confined Space (Chemical Safety Board)