Safety Flash
Main ROV lift wire umbilical and bullet parted
Main ROV lift wire umbilical and bullet parted
- IMCA
- Safety Flash
- IMCA SF 27/19
- Competence and TrainingCrane and RiggingInspection and MaintenanceLifting Operations
- Dropped objectsMechanical failure
- Inspection and maintenanceLifting operationsROV operations
- Remotely operated vehicleWire rope
- Competence and trainingFunctional testingOperating and work procedures
- Marine industry
- SubseaVessel
Summary
An inspection-class ROV and its tether management system fell to the seabed during recovery after the main lift connection parted. The flash examines a recently re-terminated, load-tested bullet connection, failed potting compound and high ambient temperatures, and records procedural changes addressing temperature limits, compound quantities and storage details.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Mechanical failure; equipment failure.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: ROV operations; remotely operated vehicle operations.
Classifications: Remotely operated vehicle; ROV; underwater robot.
Classifications: Wire rope; steel wire rope.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Functional testing; function test.
Classifications: Operating and work procedures.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Subsea; underwater worksite.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
A recently re-terminated ROV lift umbilical failed at its potted connection, with temperature effects identified as a possible contributing factor.
IMCA SF 27/19. Themes: competence and training, crane and rigging, inspection and maintenance, lifting operations.