AIChE's website is experiencing issues with Login, online registration, join, renew and other transactions. We are working to resolve the problem and apologize for the inconvenience.
Hot Work - Fundamental Intent
Last updated March 14, 2018 | Element: Fundamental Intent
To identify and manage fire and explosion hazards in areas where hot work is being performed, to prevent fires or explosions that could result in personal injuries, property damage, communi-ty impacts, environmental impacts, or business impacts.
Examples activities that would require use of a Hot Work SWP:
“Naked Flame” Activities
- Gas cutting and welding
- Electric arc welding
- Open flame boilers / space heaters
- Brazing
- Soldering
- Stress relief and heat treatment
- Use of explosives
- Exposure of pyrophoric scale
“Spark Potential” Activities
- Cutting and grinding
- Needle guns
- Sand blasting / abrasive blasting
- Internal combustion engines (e.g., trucks, forklifts, etc.)
- Use of non-intrinsically safe electrical equipment
- Stress relief and heat treatment
- Opening sealed and/or pressurized electrical equipment (e.g., junction boxes, switches, light fixtures, etc.)
- Electrostatic discharge / static electricity
- Jackhammers / chippers
- Hammering / impact tools
- Opening/operating equipment that could create a flammable source in the presence of existing ignition sources (e.g., process heater fireboxes)