Event
- Event ID
- 238
- Quality
- Description
A hydrogen tube trailer overturned but apparently did not experienced hydrogen losses. However, the whole trailer was manually released, before being able to put back on wheels the truck and the trailer.
- Event Initiating system
- Classification of the physical effects
- Unignited Hydrogen Release
- Nature of the consequences
- leak no ignition
- Macro-region
- North America
- Country
- United States
- Date
- Component involved
- CGH2 tube (trailer)
- Failure mode
- manual venting
- Initiating cause
- impact, rollover, crash
- Root CAUSE analysis
INITIATING cause was a traffic accident. In absence of information on drivers and driver behaviours, the ROOT CAUSE can be attributed generically to a human error (wrong manoeuvre)
- Root causes
- Date entry in HIAD
- 25/10/2024
Facility
- Application
- Hydrogen transport and distribution
- Sub-application
- CGH2 tube trailer
- Hydrogen supply chain stage
- All components affected
valves
- 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
- 1
- Currency
- US$
- Property loss (onsite)
- 85.559
- Post-event summary
The driver was injured in the crash.
Material Loss: $ 559.00
Carrier Damage: $ 80,000.00- Emergency action
The trailer was left releasing the whole hydrogen content to the atmosphere, before intervening.
In-depth data
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Released amount (kg)
- 203.3
- Release temperature [°C]
- 25
- Probable IGNITION SOURCE
References
- Sources categories
- PHMSA
- Reference & weblink
Incident I-1991100514 of the US Pipeline and Hazardous Materials Safety Administration PHMSA:
https://portal.phmsa.dot.gov/analytics/saw.dll?Portalpages&PortalPath=%…
(accessed September 2024)
