Safety Flash
Lifting rigging on ‘Frog’ personnel transfer capsule
Lifting rigging on ‘Frog’ personnel transfer capsule
- IMCA
- Safety Flash
- IMCA SF 09/07
- CorrosionCrane and RiggingInspection and MaintenanceLifting Operations
- CorrosionMechanical failure
- Inspection and maintenancePersonnel transferRigging
- Lifting accessoriesWire rope
- Pre-use checksPreventive maintenance
- Vessel
Summary
A Frog personnel transfer capsule dropped onto a vessel deck after both slings failed under a single-passenger load, injuring the occupant. Investigation indicated corrosion. The flash highlights opening sling covers for pre-use visual inspection, replacement every 12 months, and early adoption of corrosion-resistant slings in environments that may accelerate corrosion.
Classifications: Corrosion; corrosion damage.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Personnel transfer; crew transfer.
Classifications: Rigging; slinging.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Wire rope; steel wire rope.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
A recent incident has been reported in which there was a failure of both the primary and back up slings of a ‘Frog’ personnel transfer capsule, which was under low load conditions (a single passenger).
IMCA SF 09/07. Themes: corrosion, crane and rigging, inspection and maintenance, lifting operations.