Safety Flash
Lost time injury (LTI) and restricted workday case (RWC) following failure of diving bell door system
Lost time injury (LTI) and restricted workday case (RWC) following failure of diving bell door system
- IMCA
- Safety Flash
- IMCA SF 11/15
- DivingInspection and MaintenanceMachinery and Equipment
- Crushing and pinch pointsHand and finger injuriesMechanical failurePressure systems
- Inspection and maintenanceSaturation diving
- Diving bellPumps
- Competence and trainingPositive retention and reliable securingPressure reliefPreventive maintenance
Summary
A diving bell door fell after its hydraulic ram failed, trapping one diver’s feet. A second diver injured his hand during the attempted release using recovery equipment. The flash examines hydraulic pressure, missing maintenance and door securing arrangements, and highlights secondary closure-prevention systems and planned maintenance.
Classifications: Crushing and pinch points; crush hazards; pinch points.
Classifications: Hand and finger injuries; finger injury; hand injury.
Classifications: Mechanical failure; equipment failure.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Saturation diving; sat diving.
Classifications: Diving bell; closed bell; wet bell.
Classifications: Pumps.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Positive retention and reliable securing.
Classifications: Pressure relief; overpressure protection.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Summary
A member has reported an incident in which two divers were injured following the failure of a diving bell door.
IMCA SF 11/15. Themes: diving, inspection and maintenance, machinery and equipment.