Event
- Event ID
- 1132
- Quality
- Description
A trash hauler struck a CGH2 tube trailer on the right rear corner, crushing the cabinet and shearing off 3 cylinder valves. The hydrogen ignited and the fire caused additional 6 tubes rupturing and adding contributing to the fire. All nine tubes completely vented.
- Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- fire
- Macro-region
- North America
- Country
- United States
- Date
- Component involved
- valve (generic)
- Failure mode
- rupture & ignition
- Initiating cause
- impact, rollover, crash
- Root CAUSE analysis
INITIATING CAUSE was a traffic accident.
In absence of information on driver, the ROOT CAUSE is 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
CGH2 tube trailer cabinet
- 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
- Pre-event occurrences
The driver of the CGH2 trailer had just stopped for traffic ahead and was starting to take up speed, when the trash hauler approached it at a high rate of speed.
- Description of the facility/unit/process/substances
The trailer load consisted in 9 tubes, unfortunately the PHMSA reprot provide unrealistic values for their nominal capacity and the released quantities.
Emergency & Consequences
- Number of fatalities
- 0
- Number of injured persons
- 2
- Currency
- US$
- Property loss (onsite)
- 150.500
- Post-event summary
Two light injuries due to the crash.
Material Loss: $ 500.00
Carrier Damage: $ 150,000.00- Emergency action
The source does not mention it
In-depth data
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Release temperature [°C]
- 25
- Probable IGNITION SOURCE
References
- Sources categories
- PHMSA
- Reference & weblink
Incident I-2002090918 of the US Pipeline and Hazardous Materials Safety Administration PHMSA:
https://portal.phmsa.dot.gov/analytics/saw.dll?Portalpages&PortalPath=%…
(accessed September 2024)
