Line Opening References:
- OSHA Safety & Health Bulletin 鈥� Confined Spaces
- OSHA 29CFR1910.146 Permit Required Confined Spaces
- OSHA Information Booklet 鈥� Permit-Required Confined Spaces
- UK Health & Safety Executive: The Confined Spaces Regulations 1997
- UK Health & Safety Executive: Confined spaces. A Brief guide to working safely
- CSB Safety Bulletin 鈥淐onfined Space鈥� November 2006
- CSB Safety Bulletin 鈥淗azards of Nitrogen Asphyxiation鈥� June 2003
General Guidance on Permit to Work (including Confined Space Entry)
- UK Health & Safety Executive: Guidance on Permit to Work Systems
- International Association of Oil and Gas Producers: Guidance on Permit to Work Systems
- Norwegian O&G Association - Recommended Guidelines for a Common Model for Work Permits