Investigation Report
Crane Lost Swing Control During Personnel-Basket Transfer
01-27-2017 08:00 G01619 SP 93 Crane, Injury Requiring Evacuation
- BSEE
- Investigation Report
- Unknown
- Line of fireMechanical failure
- Inspection and maintenanceLifting operationsPersonnel transfer
- Crane
- Functional testingOperating and work proceduresPositive retention and reliable securingPre-use checks
- Marine industry
- Offshore installationVessel
Summary
Investigation of a personnel-basket transfer at South Pass 93 B in which three people were injured. Loose mounting bolts and failure of the crane’s slew-drive housing caused loss of swing control. The report examines weather contributions, inspection omissions, motor repair and testing, revised inspection processes and a replacement ten-bolt mounting arrangement.
Classifications: Line of fire; struck-by hazards.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Personnel transfer; crew transfer.
Classifications: Crane; cranes.
Classifications: Functional testing; function test.
Classifications: Operating and work procedures.
Classifications: Positive retention and reliable securing.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Offshore installation; offshore platform; offshore rig.
Classifications: Vessel; aboard ship; onboard vessel.