Safety Flash
Main bell wire rope failed destructive test
Main bell wire rope failed destructive test
- IMCA
- Safety Flash
- IMCA SF 08/24
- Contractor ManagementCrane and RiggingDivingInspection and Maintenance
- Mechanical failureStructural and asset integrity
- Diving operationsInspection and maintenance
- Wire rope
- Contractor managementPreventive maintenance
- Marine industry
- Vessel
Summary
A diving support vessel’s main bell wire rope failed annual destructive testing after 245 bell runs. Investigation linked reduced load-bearing capacity to poor ductility from strain ageing and identified procurement outside company integrity arrangements. The flash calls for compliance with wire rope integrity requirements and oversight of chartered third-party vessels.
Classifications: Mechanical failure; equipment failure.
Classifications: Structural and asset integrity; asset integrity; structural integrity.
Classifications: Diving operations; diving; commercial diving.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Wire rope; steel wire rope.
Classifications: Contractor management; contractor assurance.
Classifications: Preventive maintenance; preventative maintenance; planned maintenance.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
A main bell wire rope sample from a DSV failed to an adequate safety factor after 245 bell runs since installation.
IMCA SF 08/24. Themes: contractor management, crane and rigging, diving, inspection and maintenance.