Event
- Event ID
- 296
- Quality
- Description
- A truck loaded with two hydrogen pallets was traveling on a highway, when it was hit by a car turning right. The truck rolled over, and the impact damaged part of the collector pipe, causing the gas to leak and ignite.
The driver immediately put out the fire with a fire extinguisher, so no serious damage occurred. - Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- Fire (No additional details provided)
- Macro-region
- Asia
- Country
- Japan
- Date
- Main component involved?
- Piping (Collector)
- How was it involved?
- Leak & Formation Of A Flammable H2-Air Mixture
- Initiating cause
- Impact, Rollover, Crash
- Root causes
- Root CAUSE analysis
- The INITIATING and ROOT CAUSE was a road collision (human error).
Facility
- Application
- Hydrogen Transport And Distribution
- Sub-application
- CGH2 cylinders truck
- Hydrogen supply chain stage
- Hydrogen Transport (No additional details provided)
- All components affected
- connecting pipe (manifold pipe)
- Location type
- Open
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
- Emergency action
- The plant operator marked off the area, shut down the equipment, and performed pH tests. Since the situation stabilised immediately, the plant did not activate its emergency response plan.
Approximately 3 hours later, a firefighter arrived on site to execute an inspection and confirmed that the situation was under control.
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Presumed ignition source
- Mechanical sparks
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
