Event
- Event ID
- 1082
- Quality
- Description
A truck-trailer carrying compressed hydrogen cylinders stopped on an highway and reported a hydrogen leaking from the cylinders. The highway was immediately closed in both directions. When the fire brigade arrived, the truck had stopped on a hard shoulder, and the driver had already left his vehicle. A pipe was reported to be leaking hydrogen. Fire-fighters closed a valve on the affected cylinder group to stop the leak.
- Event Initiating system
- Classification of the physical effects
- Unignited Hydrogen Release
- Nature of the consequences
- leak no ignition
- Macro-region
- Europe
- Country
- Austria
- Date
- Component involved
- piping (collector)
- Failure mode
- leak, no ignition
- Initiating cause
- unknown
- Root CAUSE analysis
The INITIATING CAUSE was a leak from one of the compressed hydrogen cylinders transported.
The ROOT CAUSE is unknown.
- Root causes
- Unknown
- Date entry in HIAD
- 01/07/2024
Facility
- Application
- Hydrogen transport and distribution
- Sub-application
- CGH2 tube trailer
- Hydrogen supply chain stage
- All components affected
gas cylinders
- Process temperature range [C]
- ambient temperature (-50°C to +50°C)
- Process pressure range [MPa]
- medium to high pressure (10 to 50 MPa)
- Location type
- Open
- Location
- highway or similar
- Operational condition
Emergency & Consequences
- Number of fatalities
- 0
- Number of injured persons
- 0
- Emergency action
Fire-fighters closed a valve on the affected cylinder group to stop the leak.
In-depth data
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Release temperature [°C]
- 25
- Probable IGNITION SOURCE
References
- Sources categories
- News
- Reference & weblink
Kleine Zeitung News of 10 January 2013
https://www.kleinezeitung.at/kaernten/lavanttal/4015536/Wolfsberg_Wasse…
(accessed Aug 2023)PSI Database ENSAD
https://www.psi.ch/en/ta/ensad
(not online since 2024)
