Investigation Report
Crane Boom Collapsed During Tank Lift from Boat
12-19-2009 14:00 G22587 EC/194 Crane - Incident >$25K
- BSEE
- Investigation Report
- Unknown
- CorrosionDropped objectsMechanical failure
- Inspection and maintenanceLifting operations
- CraneValveWinch
- Job safety analysisLifting planOperating and work proceduresPre-use checks
- Upstream oil and gas
- Offshore installationVessel
Summary
Investigation of a crane boom collapse during lifting of a KCL tank from a boat at an offshore platform. The report identifies exceeded dynamic load capacity, a leaking corroded check-valve plug, underestimated load weight and deficient planning, procedures and job safety analyses. The tank sank; no injuries were reported.
Classifications: Corrosion; corrosion damage.
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: Valve; valves.
Classifications: Winch; winches.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Lifting plan; lift planning.
Classifications: Operating and work procedures.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.
Classifications: Vessel; aboard ship; onboard vessel.