Safety Flash
Dropped object: falling shim plate while lowering A-frame
Dropped object: falling shim plate while lowering A-frame
- IMCA
- Safety Flash
- IMCA SF 04/26
- Crane and RiggingDropped ObjectsInspection and MaintenanceManagement of Change
- Dropped objects
- Inspection and maintenance
- Crane
- Exclusion zonesPositive retention and reliable securing
- Marine industry
- Vessel
Summary
A shim plate fell 15 m onto a crane cabin roof while a vessel’s A-frame was being lowered. The unsecured plates had remained in place through dirt and corrosion. The flash examines earlier modification and maintenance, missing hazard analyses, subsequent securing, and checks for components affected by changing crane inclination.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Crane; cranes.
Classifications: Exclusion zones; red zones; restricted access zones.
Classifications: Positive retention and reliable securing.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
During the lowering of the A-frame of the crane on a large crane vessel, a plate with a weight of 15kg, rolled out from the auxiliary inboard fleeting sheaves.
IMCA SF 04/26. Themes: crane and rigging, dropped objects, inspection and maintenance, management of change.