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Permit-Required Confined Space Entry (29 CFR 1910.146)
此检查清单为英文版。
A pre-entry and entry checklist for permit-required confined spaces covering atmospheric testing, roles, and rescue readiness.
29 CFR 1910.146
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Space Evaluation & Permit
- Has the space been evaluated and classified as a permit-required confined space? *
- Is a written entry permit completed and signed by the entry supervisor before entry? *
- Is the permit posted at the entry point and valid only for the stated duration? *
- Are all known physical, chemical, and engulfment hazards identified on the permit? *
Atmospheric Testing
- Is the atmosphere tested for oxygen (19.5%-23.5%), flammable gases (<10% LEL), and toxics before entry? *
- Is the gas monitor calibrated and bump-tested prior to use? *
- Is continuous or periodic monitoring performed during occupancy? *
- Record oxygen, LEL, CO, and H2S readings: *
Isolation & Ventilation
- Are energy sources isolated, blanked, or locked/tagged out before entry? *
- Is mechanical ventilation provided and directed to the entrant's work area where needed? *
- Are lines carrying hazardous materials disconnected or double-block-and-bleed applied? *
Roles, Communication & Rescue
- Are authorized entrants, an attendant, and an entry supervisor assigned and trained? *
- Does the attendant remain outside and maintain constant communication with entrants? *
- Is retrieval equipment (full-body harness and mechanical device) in place for vertical entries over 5 feet? *
- Is rescue capability arranged and able to respond in a timely manner? *
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