Safety Flash
Eureka wire locks
Eureka wire locks
- IMCA
- Safety Flash
- IMCA SF 03/99
- Crane and RiggingLifting Operations
- Mechanical failure
- Dynamic positioning
- Wire rope
- Operating and work proceduresPositive retention and reliable securing
- Marine industry
- Marine watersVessel
Summary
During vessel DP trials in open water, a taut wire pulled through a Eureka wire lock and dropped to the seabed, without injury, damage or loss of position. The flash contrasts conflicting termination guidance and records the member’s instructions to fit two locks, retain specified bolts and apply correct torque using appropriate tools.
Classifications: Mechanical failure; equipment failure.
Classifications: Dynamic positioning; DP; DP operations.
Classifications: Wire rope; steel wire rope.
Classifications: Operating and work procedures.
Classifications: Positive retention and reliable securing.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Marine waters.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
A taut wire dropped to the seabed after passing through an incorrectly terminated Eureka wire lock.
IMCA SF 03/99. Themes: crane and rigging, lifting operations.