What Is a Hot Work Permit? + Free Template
A hot work permit is a written authorization required before performing welding, cutting, brazing, grinding, or other spark-producing operations. Hot work causes approximately 4,300 industrial fires annually. OSHA 1910.252 and NFPA 51B establish requirements for safe hot work practices and fire prevention.
What is Hot Work?
Hot work includes any operation that produces sparks, open flames, or high heat that could ignite combustible materials. This includes arc welding, gas welding/cutting, brazing, soldering, grinding, and torch heating.
Hot Work Permit Requirements
- Area Inspection: Check for combustibles within 35 feet
- Fire Watch: Trained person with extinguisher during and 30+ min after work
- Fire Extinguisher: Minimum 20-lb ABC within 10 feet
- Ventilation: Adequate for fume removal
- PPE: Welding helmet, gloves, FR clothing
Fire Watch Duties
A fire watch must be trained to use fire extinguishers, have a clear view of work area, know how to activate fire alarm, and remain on site 30-60 minutes after hot work completion.