Safety Flash
Failure of ROV lift umbilical winch brake – Update
Failure of ROV lift umbilical winch brake – Update
- IMCA
- Safety Flash
- IMCA SF 09/01
- Inspection and MaintenanceLifting OperationsMachinery and Equipment
- Mechanical failure
- ROV operations
- Winch
- Operating and work procedures
Summary
This safety flash updates an earlier report of uncontrolled ROV umbilical winch run-off involving a MacArtney CORMAX unit manufactured by Norlau. The manufacturer acknowledged a design problem and recommended low-speed operation only pending a technical solution. Longer-term resolution may involve modifications to the winch system.
Classifications: Mechanical failure; equipment failure.
Classifications: ROV operations; remotely operated vehicle operations.
Classifications: Winch; winches.
Classifications: Operating and work procedures.
Summary
A manufacturer identified a design problem affecting ROV umbilical winch operation and recommended low-speed use pending a permanent modification.
IMCA SF 09/01. Themes: inspection and maintenance, lifting operations, machinery and equipment.