Safety Flash
Lost time injury (LTI): Deadman anchor (DMA) toppled over, injuring a diver
Lost time injury (LTI): Deadman anchor (DMA) toppled over, injuring a diver
- IMCA
- Safety Flash
- IMCA SF 09/17
- DivingLine of FireManagement of Change
- Crushing and pinch pointsHuman factorsLine of fireRisk management
- Anchor handlingDiving operationsRigging
- Management of changeOperating and work proceduresOperational supervisionRisk assessment
- Marine industry
- Subsea
Summary
A diver suffered a fractured fibula and torn ankle ligament when a deadman anchor overturned during holdback rigging for closing-spool installation. The substituted weight had unsuitable geometry and had not been checked for suitability. The flash examines risk assessment and change-management failures, with actions addressing rigging, procedures and supervision.
Classifications: Crushing and pinch points; crush hazards; pinch points.
Classifications: Human factors; human performance; ergonomics.
Classifications: Line of fire; struck-by hazards.
Classifications: Risk management; risk evaluation.
Classifications: Anchor handling; anchor deployment.
Classifications: Diving operations; diving; commercial diving.
Classifications: Rigging; slinging.
Classifications: Management of change; MOC; change management.
Classifications: Operating and work procedures.
Classifications: Operational supervision.
Classifications: Risk assessment; hazard assessment.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Subsea; underwater worksite.
Summary
A deadman anchor (DMA) toppled over, trapping a diver on the seabed and causing an injury to his leg
IMCA SF 09/17. Themes: diving, line of fire, management of change.