SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/weld-confined-space-attendant

A welder crawls into a tank through a small opening. Who must be stationed outside?

An attendant with a preplanned rescue procedure.

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  1. A fire inspector
  2. An attendant with a rescue plan ✔
  3. Nobody if the tank is empty

Why: Small tanks can trap fumes or make it hard to get out. OSHA requires an outside attendant who watches the welder at all times and knows the rescue plan.

Huh, didn't know that: OSHA says gas cylinders and welding machines must be left outside when welding in a confined space.

The dad joke
What do you call something that's easy to get into, but hard to get out of? Trouble.
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References

Answer: An attendant with a rescue plan. Small tanks can trap fumes or make it hard to get out. OSHA requires an outside attendant who watches the welder at all times and knows the rescue plan.

  1. OSHA 29 CFR 1910.252 General requirements, welding, cutting and brazing www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.252
    An attendant with a preplanned rescue procedure shall be stationed outside to observe the welder at all times
    Checked 2026-10-11.

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