Safety Flash
Ineffective Crane Stinger Hook Pin Installation (BSEE)
Ineffective Crane Stinger Hook Pin Installation (BSEE)
- IMCA
- Safety Flash
- IMCA SF 06/23
- Crane and RiggingDropped ObjectsInspection and Maintenance
- Dropped objectsMechanical failure
- Inspection and maintenanceLifting operations
- CraneLifting accessories
- Positive retention and reliable securingPre-use checks
- Offshore installation
Summary
A platform crane hook and suspended wireline lubricator fell after a sheared cotter pin allowed the hook pin to back out. This flash summarises BSEE findings on inadequate pin design and recommendations for threaded pins with nuts and keepers, retrofitting improper arrangements and adding pin-condition assessment to pre-use inspections.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Crane; cranes.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Positive retention and reliable securing.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Offshore installation; offshore platform; offshore rig.
Summary
The United States Bureau of Safety and Environmental Enforcement (BSEE) has published Safety Report 452 relating to a high-potential dropped object incident on a Gulf of Mexico energy facility
IMCA SF 06/23. Themes: crane and rigging, dropped objects, inspection and maintenance.