Safety Flash
Inappropriate use of snap hooks
Inappropriate use of snap hooks
- IMCA
- Safety Flash
- IMCA SF 01/11
- Crane and RiggingLifting Operations
- Dropped objectsMechanical failure
- Lifting operationsRigging
- Lifting accessories
- Competence and trainingPositive retention and reliable securing
- Subsea
Summary
This flash describes recurring load-release incidents involving snap hooks during underwater load handling. Loads becoming light can allow rigging to open or break hook latches. Recommendations address trained rigging selection, checking load behaviour and using shackles or safety hooks for non-engineered subsea handling.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Mechanical failure; equipment failure.
Classifications: Lifting operations; load lifting; hoisting.
Classifications: Rigging; slinging.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Positive retention and reliable securing.
Classifications: Subsea; underwater worksite.
Summary
A member has reported that, in spite of efforts to prevent the practice, regular incidents involving the inappropriate use of hooks have continued to occur.
IMCA SF 01/11. Themes: crane and rigging, lifting operations.