Safety Flash
High Potential Near Miss: Dropped object due to contact with crane sheave
High Potential Near Miss: Dropped object due to contact with crane sheave
- IMCA
- Safety Flash
- IMCA SF 09/26
- Crane and RiggingDropped ObjectsManagement of Change
- Dropped objectsLine of fire
- Lifting operations
- CraneNavigation and positioning equipmentWire rope
- Contractor managementExclusion zonesManagement of changePositive retention and reliable securing
- Marine industry
- Vessel
Summary
A vessel crane near miss involved a DP beacon striking sheave protection bars, detaching with its holder and falling to the deck. Nobody was injured. The flash examines wire-mounted attachment, absent secondary retention, unconsidered management of change and inadequate access controls, highlighting crane limits and third-party equipment coordination.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Line of fire; struck-by hazards.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Crane; cranes.
Classifications: Navigation and positioning equipment; ECDIS; AIS; chart plotters.
Classifications: Wire rope; steel wire rope.
Classifications: Contractor management; contractor assurance.
Classifications: Exclusion zones; red zones; restricted access zones.
Classifications: Management of change; MOC; change management.
Classifications: Positive retention and reliable securing.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
A Dynamic Positioning (DP) beacon came into contact with sheave protection bars, resulting in the beacon and its holder assembly detaching and falling to the deck below.
IMCA SF 09/26. Themes: crane and rigging, dropped objects, management of change.