Safety Flash
Near-miss: Diver loss of gas
Near-miss: Diver loss of gas
- IMCA
- Safety Flash
- IMCA SF 14/11
- DivingEmergency ResponseHuman Factors
- Human factors
- Diving operations
- Diving bellValve
- Competence and trainingEmergency responseHuman-centred designSafety communication
- Subsea
Summary
A diver’s gas supply became restricted when a bellman lost his footing during bell heave and knocked the supply valve towards closed. The diver used bailout gas and the bellman restored the main supply; no injuries occurred. The flash describes valve-handle repositioning, overlooked ergonomic hazards, team briefing and regular emergency drills.
Classifications: Human factors; human performance; ergonomics.
Classifications: Diving operations; diving; commercial diving.
Classifications: Diving bell; closed bell; wet bell.
Classifications: Valve; valves.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Emergency response; emergency preparedness.
Classifications: Human-centred design.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Subsea; underwater worksite.
Summary
A member has reported a near miss incident in which a diver very nearly lost his gas supply.
IMCA SF 14/11. Themes: diving, emergency response, human factors.