Safety Flash
Reliance on crane limits caused crane damage and dropped objects
Reliance on crane limits caused crane damage and dropped objects
- IMCA
- Safety Flash
- IMCA SF 07/11
- Crane and RiggingDropped ObjectsLifting Operations
- Dropped objectsHuman factorsMechanical failure
- Lifting operations
- Crane
- Functional testingSafety communication
Summary
A crane operator stowing a block in darkness relied on a faulty upper limit switch, resulting in component damage and bolt heads falling near personnel. The flash examines poor visibility and two-blocking risk, recommending banksman assistance, toolbox-talk coverage and checks of crane limits at manufacturer-specified intervals.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Human factors; human performance; ergonomics.
Classifications: Mechanical failure; equipment failure.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Crane; cranes.
Classifications: Functional testing; function test.
Classifications: Safety communication; toolbox talk; toolbox talks.
Summary
A Member has reported an incident in which a crane was damaged and objects fell to the deck in the vicinity of personnel.
IMCA SF 07/11. Themes: crane and rigging, dropped objects, lifting operations.