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NFPA 51B
NFPA 51B is a high-level NFPA reference for Standard for Fire Prevention During Welding, Cutting, and Other Hot Work. Fire prevention framework for welding, cutting, brazing, grinding, and other operations that can produce flames, heat, or sparks capable of starting a fire.
Fire prevention framework for welding, cutting, brazing, grinding, and other operations that can produce flames, heat, or sparks capable of starting a fire.
Hot work can ignite combustibles directly or create hidden smoldering fires after work has ended. A structured permit, hazard-control, and fire-watch process helps reduce these preventable incidents.
- Hot work fire prevention concepts
- Hot work permit and authorization practices
- Combustible material control
- Fire watch responsibilities
- Post-work monitoring concepts
- Hot work area preparation
- Welding and cutting during renovations
- Roofing and maintenance hot work
- Industrial repair operations
- Fire watch planning after hot work
- Contractor hot work permit programs
- A fire watch is needed only while sparks are visible.
- A hot work permit alone eliminates the fire hazard.
- Small grinding jobs cannot ignite concealed combustibles.
- Define who authorizes hot work before work starts
- Inspect the work area for combustible exposures
- Document fire watch assignments and post-work checks
- Coordinate impairment and alarm procedures when applicable
What is considered hot work?
Why is a fire watch important?
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