Safety Flash
UK HSE: Offshore crane boom hoist failures
UK HSE: Offshore crane boom hoist failures
- IMCA
- Safety Flash
- IMCA SF 04/22
- Crane and RiggingInspection and MaintenanceLifting Operations
- Dropped objectsMechanical failure
- Inspection and maintenanceLifting operations
- CraneWire rope
- Operating and work proceduresPositive retention and reliable securingPre-use checks
- Offshore installation
Summary
This flash summarises two offshore crane incidents in which boom hoist ropes left sheaves, sustained undetected damage and failed during lifting. Booms and loads fell, with no injuries reported. It discusses possible slack-rope and installation-twist mechanisms, and recommends controlled operation, manufacturer-guided stowage, retention-bar inspection and rope-seating checks.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Crane; cranes.
Classifications: Wire rope; steel wire rope.
Classifications: Operating and work procedures.
Classifications: Positive retention and reliable securing.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Offshore installation; offshore platform; offshore rig.
Summary
The UK HSE (Health and Safety Executive) have published an alert relating to two incidents that occurred offshore, involving the failure of crane boom hoist ropes, resulting in the crane booms falling onto the deck below.
IMCA SF 04/22. Themes: crane and rigging, inspection and maintenance, lifting operations.