Safety Flash
Damage to crane winch
Damage to crane winch
- IMCA
- Safety Flash
- IMCA SF 01/13
- Competence and TrainingCrane and RiggingLifting Operations
- Dropped objectsMechanical failure
- Lifting operations
- CraneWinch
- Competence and trainingFunctional testingRisk assessmentSafety communication
- Marine industry
- Vessel
Summary
A vessel crane winch failed while deploying an unoccupied small boat for personnel transfer. With the limit switch disabled, boom extension overloaded the winch foundation bolts; the boat and crane block fell. Lessons address limit-switch testing, authorised alterations, crane-specific competence and clear banksman communications.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Mechanical failure; equipment failure.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Crane; cranes.
Classifications: Winch; winches.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Functional testing; function test.
Classifications: Risk assessment; hazard assessment.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
A member has reported an incident in which a crane winch was badly damaged and the load dropped as a result.
IMCA SF 01/13. Themes: competence and training, crane and rigging, lifting operations.