Event
- Event ID
- 292
- Quality
- Description
- After the filled hydrogen gas cylinders were unloaded onto the quay, the weather worsened and high waves caused the containers to break apart, and the cylinders were lost to the sea.
- Event Initiating system
- Classification of the physical effects
- No Hydrogen Release
- Nature of the consequences
- Macro-region
- Asia
- Country
- Japan
- Date
- Main component involved?
- Cggh2 Cylinder (Container)
- How was it involved?
- Rupture
- Initiating cause
- Impact, Rollover, Crash
- Root causes
- Root CAUSE analysis
- The INITIATING CAUSE was the bad condition at sea and on the quay. On ROOT CAUSE can only be speculated. A weak container design? A dcision to proceed with the unloading operation despite the adverse weather?
Facility
- Application
- Hydrogen Transport And Distribution
- Sub-application
- CGH2 cylinders truck
- Hydrogen supply chain stage
- Hydrogen Transport (No additional details provided)
- All components affected
- cylinders
- Location type
- Open
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
- Post-event summary
- none
- Emergency action
- he operator heard the leak and took the first safety measures by immediately closing all the valves of the tube trailer. The neighbouring filling stations were also shut down, and the area was secured.
A safety perimeter of 20 meters was established around the loading area. The tube trailer was then purged with inert gas, and corrective maintenance was carried out.
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Released amount
- none
- Presumed ignition source
- No release
References
- Reference & weblink
High Pressure Gas Accident Cases Database of the KHK (High Pressure Gas Safety Association): <br />
https://www.khk.or.jp/public_information/incident_investigation/hpg_inc… />
(accessed May 2025)
JRC assessment
- Sources categories
- KHK