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  1. Home
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  3. Hot work
Topic

Hot work

Welding, cutting and grinding: clear combustibles, test for gas, keep a fire watch.

Key points

  • Ask first whether the job can be done cold: unbolting, sawing or hydraulic shears avoid the ignition source.
  • Use a hot work permit. A competent person checks the area is clear of combustibles and free of flammable gas before work starts.
  • Never cut or weld a drum, tank or pipe that has held flammable material until it has been cleaned, purged or inerted and tested.
  • Keep a trained fire watch with an extinguisher during the work and for at least 30 minutes after it ends.
Know itHot work safety: what supervisors need to knowHow to control welding, cutting and grinding: hot work permits, gas testing, clearing combustibles, fire watch and gas cylinder safety, with Singapore rules.Read the guide → Check itHot work permit checklistChecks before, during and after welding, cutting or grinding: permit, gas test, combustibles cleared, cylinders, fire watch and final fire check.Open the checklist → Brief itToolbox talk: hot workA five-minute crew briefing on welding, cutting and grinding: the permit, clearing combustibles, gas cylinders, the fire watch and empty drums.Use the toolbox talk →

All hot work resources

Guide

Hot work safety: what supervisors need to know

Wei Ling Chen · Oct 20, 2026
Checklist

Hot work permit checklist

Wei Ling Chen · Oct 20, 2026
Checklist

Gas cylinder storage checklist

Wei Ling Chen · Oct 20, 2026
Toolbox talk

Toolbox talk: welding fumes

Nurul Hidayah Binte Azman · Oct 20, 2026
Toolbox talk

Toolbox talk: hot work

Nurul Hidayah Binte Azman · Oct 20, 2026
Toolbox talk

Toolbox talk: gas cylinders

Nurul Hidayah Binte Azman · Oct 20, 2026

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