Safety Flash
Master link failure during testing of overboarding chute
Master link failure during testing of overboarding chute
- IMCA
- Safety Flash
- IMCA SF 18/14
- Control of WorkCrane and RiggingLifting Operations
- Mechanical failureRisk management
- Lifting operationsRigging
- CraneLifting accessories
- Functional testingLifting planOperating and work proceduresRisk assessment
- Marine industry
- Vessel
Summary
A master link failed during crane-assisted articulation of a deck-secured overboarding chute on a project vessel, causing uncontrolled movement and equipment damage without injury. The investigation identified deficient work planning, unrecognised over-pull risk and possible link defects. Actions included quarantining specified master links and improving procedures, lift plans and risk assessments.
Classifications: Mechanical failure; equipment failure.
Classifications: Risk management; risk evaluation.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Rigging; slinging.
Classifications: Crane; cranes.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Functional testing; function test.
Classifications: Lifting plan; lift planning.
Classifications: Operating and work procedures.
Classifications: Risk assessment; hazard assessment.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
A master link failed while an overboarding chute was being function tested, highlighting inadequate planning and assessment of over-pull loads.
IMCA SF 18/14. Themes: control of work, crane and rigging, lifting operations.