Podcast
Questions and Answers
What was the main cause of the sudden disconnection of the pressurized hose?
What was the main cause of the sudden disconnection of the pressurized hose?
Which crucial safety measure was missing during the operation?
Which crucial safety measure was missing during the operation?
How did personnel manage to avoid injury from this incident?
How did personnel manage to avoid injury from this incident?
What should be done before starting work on pressurized equipment?
What should be done before starting work on pressurized equipment?
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What lesson can be learned regarding equipment availability?
What lesson can be learned regarding equipment availability?
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Study Notes
Sudden Disconnection of Pressurized Hose
- Contractor performing maintenance on bulk cargo methanol system
- Residual water being pumped from cofferdam
- Pressurized hose suddenly disconnected
- System pressure approximately 5.9-6 bar
- No injuries or property damage
- No one in line of fire, no contact made
What Went Wrong?
- No secondary securing system (whip check arrestor) despite being specified in risk assessment
- Equipment not checked before starting work
- No one stopped the job
- Hose end coupling appeared worn out
- No whip arrestors or hose tail couplings available on vessel or with contractor
Lessons Learned
- Ensure sufficient equipment and spares on board
- Ensure pressurized hose connectors have secondary securing (whip arrestors)
- Check equipment before starting work
- Examine hose end couplings for wear or damage
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