Confined Space Audit Checklist for Food Processing Facilities
A printable, field-ready audit checklist covering every OSHA 1910.146 permit-required confined space entry requirement. Use it to self-assess your facility or qualify a cleaning contractor before any entry begins.
Confined Space Audit Checklist
OSHA 29 CFR 1910.146 — Food Processing Facilities | Master Sanitation Company L.L.C. | (951) 907-3400
Facility / Site
Auditor
Date of Audit
Space(s) Reviewed
1. Permit Program & Documentation
- Written permit-required confined space program developed and on file (1910.146(d))
- All permit-required confined spaces identified and documented on site
- Danger signs posted at every permit space entry point
- Written entry permit issued, signed by entry supervisor, before each entry
- Entry permit retained for at least 1 year (1910.146(h))
- All permits and entry records archived for audit retrieval
2. Entry Permit Contents
- Space to be entered and authorized entry purpose
- Date and authorized duration of the entry permit
- Names of all authorized entrants and attendants
- Name and signature of entry supervisor
- Hazards of the permit space documented
- Measures to isolate hazards (LOTO records attached)
- Atmospheric test results (O₂, LEL, toxics)
- Rescue and emergency services information
- Communication procedures established
- Required equipment listed (PPE, rescue, communication)
- Any additional permits (hot work, etc.) noted
3. Personnel Roles & Training
- Entry Supervisor designated in writing, trained, and authorized to authorize entry
- Authorized Entrants trained to recognize hazards and use equipment
- Attendant(s) trained; remain outside and maintain continuous communication
- Attendant instructed never to enter the space
- Training records current for all three roles
- Rescue team trained and practiced on the specific space
4. Atmospheric Testing (Pre-Entry & Continuous)
- Oxygen (O₂) tested: 19.5% – 23.5% acceptable
- Flammable gases / vapors tested: < 10% LEL required
- Carbon Monoxide (CO) tested: < 35 ppm target (PEL 50 ppm)
- Hydrogen Sulfide (H₂S) tested: < 1 ppm target (PEL 20 ppm)
- Gas monitor calibration certificates current
- Continuous monitoring maintained throughout the entry
5. Hazard Isolation & LOTO
- All energy sources (augers, conveyors, pneumatic lines) locked and tagged out
- Piping, ducts, and inert gas lines blanked or disconnected
- Ventilation operating to maintain acceptable atmosphere
- Entry point secured against unauthorized access
- Hot work, if required, covered by a separate hot work permit
6. Emergency Response & Rescue
- Rescue and emergency services identified and reachable (1910.146(k))
- Rescue equipment on site (tripod, winch, harness, retrieval line)
- Communication method between attendant and entrant confirmed
- Procedure to summon emergency services documented
- Attendant trained to initiate non-entry rescue first
7. Contractor Coordination
- Host employer informed contractor of all permit spaces and hazards
- Contractor provided written confined space program (1910.146 compliant)
- Contractor training records for entry supervisors, entrants, attendants on file
- Contractor calibration certificates for monitoring equipment reviewed
- Contractor certificate of insurance for confined space operations on file
- FSMA-compliant cleaning documentation template agreed
This checklist summarizes key OSHA 29 CFR 1910.146 requirements and is provided for general guidance only. It is not legal advice and does not replace your facility's written confined space program or a qualified safety professional's review.
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Master Sanitation Company meets every OSHA 1910.146 requirement — written programs, certified crews, calibrated equipment, and FSMA-compliant documentation. Request a free on-site assessment today.