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Questions and Answers
What was the main reason for the incident during the lasso retrieval?
What type of injuries did the IP sustain from the incident?
Which corrective action was implemented following the incident?
How did the fibre rope behave when tension was applied during the operation?
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What aspect was highlighted in the enhanced risk assessment for lasso retrieval tasks?
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Study Notes
Lasso Retrieval Incident
- An incident occurred during the retrieval of a "lasso" used for buoy recovery.
- The lasso is made of UHMWPE (Ultra-High Molecular Weight Polythene) fibre rope.
- The rope was initially designed to dissipate energy quickly if it snapped under tension, preventing whiplash.
- The plan was changed from manually retrieving the rope to using a tugger.
- Despite the change in method, the work party remained in their original positions.
- The rope came under tension and snapped free from the stopper pin on the starboard side of the vessel.
- The rope travelled upwards and to port, passing over the head of the injured person (IP) before landing on the deck.
- The rope contacted the IP's leg, causing him to fall and sustain minor injuries.
- The chain section of the lasso landed near the IP.
Incident Cause
- The operation shifted from a Manual Handling Task to a Lifting and Hoisting Operation without a sufficient risk assessment.
- Due to the lack of risk assessment, the work party remained in their original positions, placing them in the line of fire.
- The activity was being monitored by a supervisor who did not stop the job after the plan changed.
Corrective Actions
- Procedures were updated to ensure vessel stopper pins are retracted during lasso retrieval tasks.
- The risk assessment was enhanced to include the potential line of fire during lasso retrieval tasks.
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