Investigation Report
Crane Boom Damaged During Positioning Above Steel Plate
08-02-2006 16:45 G02116 EI/331 Crane - H2S/15MIN./20PPM
- BSEE
- Investigation Report
- Unknown
- Mechanical failure
- Lifting operationsRigging
- CraneValve
- Competence and trainingHuman-centred designPre-use checksSafety communication
- Upstream oil and gas
- Offshore installation
Summary
An investigation describes damage to a platform crane while positioning its boom above a steel plate. A manual override valve stuck in the override position allowed contact with the boom stops and bending of the boom. Merit recommended valve modifications, pre-use inspections, personnel instruction and a boom watch person.
Classifications: Mechanical failure; equipment failure.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Rigging; slinging.
Classifications: Crane; cranes.
Classifications: Valve; valves.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Human-centred design.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.