Safety Flash
Crane whip line incident
Crane whip line incident
- IMCA
- Safety Flash
- IMCA SF 07/99
- CorrosionCrane and RiggingInspection and Maintenance
- CorrosionMechanical failure
- Inspection and maintenanceLifting operations
- CraneWire rope
- Non-destructive testingPreventive maintenance
- Marine industry
- Vessel
Summary
A crane whip line parted while lifting a 4.5-tonne concrete mat from a vessel deck, without injury or damage. Investigation attributed failure to internal corrosion and inadequate lubrication. Approximately 25 m had escaped inspection. Actions addressed complete non-destructive testing, high-pressure lubrication and review of planned maintenance.
Classifications: Corrosion; corrosion damage.
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: Non-destructive testing; NDT; non-destructive examination; NDE.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
Internal corrosion caused a crane wire rope to part after a section was missed during inspection and lubrication.
IMCA SF 07/99. Themes: corrosion, crane and rigging, inspection and maintenance.