Safety Alert
Tank Welding – High Potential Incident
Tank Welding – High Potential Incident
- IADC
- Safety Alert
- IADC Alert 10-07
- Hot Work and Fire
- Explosion
- Hot workInspection and maintenance
- Storage tanks
- Fire protectionPermit to workStop-work authority
Summary
A senior mechanic stopped welding on a rig accumulator supply tank after recognising a potential explosive atmosphere. The tank remained closed, unpurged and uncleared of its contents. The alert describes deficiencies in permit completion, personnel involvement, pre-job checks, fire-watch coverage and the availability of firefighting equipment.
Classifications: Explosion; explosive atmospheres.
Classifications: Hot work; welding and cutting.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Storage tanks; atmospheric tanks.
Classifications: Fire protection; fire suppression; fire detection.
Classifications: Permit to work; PTW; work permit.
Classifications: Stop-work authority; stop work; stop-work intervention.
IADC Alert 10-07. Themes: hot work and fire.