Cause & Consequence
- Release of a harmful substance
- Uncontrolled release of a flammable gas or liquid
Description of Process
A team of scaffolders were working in a process plant and heard and smelled something they thought was a gas leak. Gas detectors had not detected anything.
Description of Incident
The leak was confirmed and the plant was safely shutdown. The leak came from a failed O-ring seal.
Good Practice Guidance
The scaffolders detected the leak before it could get worse and told the control room. Everyone who works around plant can spot early signs of problems.