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Confined Space Entry: A Masterclass in What Not To Do

Mar 5, 2026View source

Summary

Someone entering what appears to be a permit-required confined space with zero atmospheric testing, no attendant, and no retrieval system. Bonus: they brought a friend in to help, which is exactly how a single confined space incident becomes a double fatality.

What Went Wrong

No atmospheric testing before entry, no trained attendant stationed outside, no rescue/retrieval equipment, no permit was issued, and the practice of sending a second rescuer in without equipment accounts for over 60% of confined space fatalities. The 'buddy system' is not a rescue plan.

Compliance Takeaway

29 CFR 1910.146 governs permit-required confined space entry. Requirements include: atmospheric testing before and during entry, a trained attendant who remains outside, a rescue/retrieval system, a completed entry permit, and an emergency response plan. Non-permit confined spaces also require hazard evaluation.

Applicable Standard

29 CFR 1910.146 – Permit-Required Confined Spaces

View on OSHA.gov

Commentary is provided for informational and educational purposes only. This is not legal advice. For compliance guidance specific to your workplace, consult a qualified safety professional or attorney.

confined-space permit-required atmospheric-testing retrieval-system