Safety Flash
Crane incident
Crane incident
- IMCA
- Safety Flash
- IMCA SF 03/01
- Crane and RiggingDropped ObjectsStructural and Asset Integrity
- Dropped objectsMaterial fatigueMechanical failureStructural and asset integrity
- Crane
- Offshore installation
Summary
Part of an offshore crane’s manufacturer nameplate, weighing 250 g, fell onto an unoccupied scaffold 21 m below. Initial findings linked failure through the fixing bolt hole to metal fatigue caused by handrail vibration. The company removed similarly installed signs from other cranes.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Material fatigue; metal fatigue.
Classifications: Mechanical failure; equipment failure.
Classifications: Structural and asset integrity; asset integrity; structural integrity.
Classifications: Crane; cranes.
Classifications: Offshore installation; offshore platform; offshore rig.
Summary
A fatigued crane nameplate fixing failed, allowing the plate to fall onto a lower scaffold.
IMCA SF 03/01. Themes: crane and rigging, dropped objects, structural and asset integrity.