Jan 25 (edited) • Equipment& Load Control Issues
Case Study 91: Offshore Crane Boom Collapse. Catastrophic Mechanical Failure
Incident Overview
An offshore crane boom collapsed catastrophically during operations, creating a chaotic scene and secondary hazards (debris, damaged equipment, uncontrolled energy).
What Went Wrong
Mechanical integrity failed. Offshore lifting adds consequences due to confined layouts, simultaneous operations, and high-energy components.
Key Lessons
Integrity management is a safety system
Secondary hazards after failure are lethal
“No injury” is luck, not compliance
Safety Recommendations
Robust maintenance regimes, inspection intervals, defect reporting, and stop-work authority when integrity is in doubt.
Incident source/ Reference
HSE roundup referencing offshore crane boom collapse prosecution.
●LOLER Reg. 4 – Strength and stability must be ensured.
●LOLER Reg. 9 – Examination must identify defects in time.
●PUWER Reg. 5 – Maintenance must prevent catastrophic failure.
●PUWER Reg. 4 – Equipment must remain suitable for conditions.
●BS 7121-1 – Defect reporting and stop-work must be effective.
Wolf Lifting Dynamics – Safe Lifting UK | Case Study 91
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Case Study 91: Offshore Crane Boom Collapse. Catastrophic Mechanical Failure
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