Safety Flash
Lift bag near miss
Lift bag near miss
- IMCA
- Safety Flash
- IMCA SF 07/23
- Crane and RiggingDivingLifting OperationsManagement of Change
- Human factors
- Diving operationsLifting operationsRigging
- Lifting accessories
- Management of changeOperating and work proceduresOperational supervisionSafety communication
- Marine industry
- Subsea
Summary
A lift bag escaped its intended rigging during spool over-boarding and was arrested by contingency rigging. The flash examines inappropriate attachment, undocumented rigging changes, unclear diver communications and task-generic procedures. Lessons emphasise single-person rigging accountability, task-specific instructions, reduced multitasking and thorough communication during personnel changes.
Classifications: Human factors; human performance; ergonomics.
Classifications: Diving operations; diving; commercial diving.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Rigging; slinging.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Management of change; MOC; change management.
Classifications: Operating and work procedures.
Classifications: Operational supervision.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Subsea; underwater worksite.
Summary
During the over-boarding of a spool, a lift bag while being inflated, ascended through the engineered rigging arrangement and was caught by the contingency rigging. Our Member considered this incident to have had the potential for a serious injury or fatality.
IMCA SF 07/23. Themes: crane and rigging, diving, lifting operations, management of change.