Welding or Cutting Containers
Used Containers
Do not weld, cut, or perform other hot work on used drums, barrels, tanks or other containers until you clean them.
Drum Explodes During Welding, Killing Worker
- Clean them so thoroughly to make absolutely certain there are no flammable materials present or any substances such as greases, tars, acids, or other materials which when subjected to heat, might produce flammable or toxic vapors.
- Disconnect or blanket any pipelines or connections to the drum or vessel.
Venting and Purging
Vent all hollow spaces, cavities or containers to permit air or gases to escape before preheating, cutting or welding. You should purge with inert gas.
Knowledge Check Choose the best answer for the question.
3-4. When can you weld, cut, or perform hot work on used drums, barrels, tanks or other containers?
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