Permit to Work (PTW)
A formal written authorization system for controlled hazardous maintenance work.
Definition
Permit to Work (PTW) is a documented safety-control system that authorizes defined hazardous tasks — hot work, confined space entry, working at height, electrical isolation — only after specific preconditions are verified and sign-offs collected.
Common permit types
- Hot work (welding, cutting, grinding)
- Confined space entry
- Working at height
- Electrical isolation / live work
- Excavation
- Line breaking (process pipelines)
Permit lifecycle
Request → risk assessment → preconditions verified → authorization signed → work executed under the permit → closeout (area returned to normal, isolations removed). Each stage must be auditable.
PTW in FacilityLane
FacilityLane's permit module enforces precondition checklists, parallel sign-offs, LOTO linkage, and a tamper-evident audit log. Permits can be attached to work orders so technicians cannot mark work started without an active permit.
FAQ
Common questions about Permit to Work (PTW).
In many jurisdictions and industries, yes — especially for high-hazard activities. Check local regulations (e.g., OSHA 1910 in the US) and your insurer's requirements.
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