Investigation Report
Crane Failure During Personnel Transfer Dropped Employees into Water
08-05-2012 07:30 G00778 SM 23 G Required Evacuation – Crane- Incident > $25K
- BSEE
- Investigation Report
- Unknown
- DrowningFalls from heightMechanical failure
- Inspection and maintenanceLifting operationsPersonnel transfer
- CraneHoseWinch
- Contractor managementFunctional testingSafety communication
- Offshore installation
Summary
Investigation of a platform crane failure during personnel transfer in the Gulf of Mexico. Two employees descended approximately 60 feet into the water without injury. Examination identified an omitted brake/clutch spacer and incorrect hydraulic connections in a refurbished boom winch. Follow-up measures included winch inspections, contractor qualification requirements and notifications to potentially affected companies.
Classifications: Drowning; man overboard; person overboard.
Classifications: Falls from height; fall from height.
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: Hose; flexible hose.
Classifications: Winch; winches.
Classifications: Contractor management; contractor assurance.
Classifications: Functional testing; function test.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Offshore installation; offshore platform; offshore rig.