Safety Flash
Dropped object near-miss: Small parts falling from crane rest
Dropped object near-miss: Small parts falling from crane rest
- IMCA
- Safety Flash
- IMCA SF 21/15
- Crane and RiggingDropped ObjectsInspection and Maintenance
- Dropped objectsMechanical failure
- Inspection and maintenanceLifting operations
- Crane
- Exclusion zonesOperational supervisionPositive retention and reliable securingPreventive maintenance
- Marine industry
- Vessel
Summary
Two members describe crane-rest components falling during boom parking or raising. One vessel incident involved a 6.9 kg Teflon pad dropping 8.8 metres to deck. Findings address sheared bolts, flawed pad design and restricted clearances. Actions include planned inspections, secondary retention, barriers, spotters and cameras.
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: Exclusion zones; red zones; restricted access zones.
Classifications: Operational supervision.
Classifications: Positive retention and reliable securing.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
Two members have reported incidents in which a Teflon pad fell from a crane rest during the parking of the crane.
IMCA SF 21/15. Themes: crane and rigging, dropped objects, inspection and maintenance.