PTW
Safety
PTW (Permit to Work)
Permit to Work
Formal authorization process for higher-risk work such as hot work, confined space entry or electrical isolation.
Examples
- 01Before welding near the paint store, the technician needs a PTW signed by the area supervisor and the fire officer.
- 02During safety audits, active PTWs are checked on site to make sure the listed controls, such as fire watch, are in place.
- 03Work started without a PTW is stopped at once, and the case is reviewed with the department head.