Event
- Event ID
- 1127
- Quality
- Description
- A LH2 tanker was preparing to unload, when the pressure in the tank rose to about 165 psi (11.3 bar) and caused the burst disc to rupture. The whole tank content was vented to atmosphere.
- Event Initiating system
- Classification of the physical effects
- Unignited Hydrogen Release
- Nature of the consequences
- Leak No Ignition (No additional details provided)
- Macro-region
- North America
- Country
- United States
- Date
- Main component involved?
- Prd (Burst Disc)
- How was it involved?
- Correct Activation
- Initiating cause
- Over-Pressurisation (Over-Filling)
- Root causes
- Root CAUSE analysis
- The INITIAL CAUSE was the correct opening of the burst disc due to overpressure.
The source attributed the ROOT CAUSE to overfilling.
Facility
- Application
- Hydrogen Transport And Distribution
- Sub-application
- LH2 tanker
- Hydrogen supply chain stage
- Hydrogen Transport (No additional details provided)
- All components affected
- burst disc
- Location type
- Open
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
- Environmental damage
- 0
- Currency
- US$
- Property loss (onsite)
- 750
- Property loss (offsite)
- 0
- Post-event summary
- Almost the full LH2 trailer content was lost
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Released amount
- 4055.11248
- Actual pressure (MPa)
- 1.2
- Design pressure (MPa)
- <1.0
- Presumed ignition source
- No ignition
References
- Reference & weblink
Incident E-2014010004 of the US Pipeline and Hazardous Materials Safety Administration PHMSA: <br />
https://portal.phmsa.dot.gov/analytics/saw.dll?Portalpages&PortalPath=%… />
(accessed September 2024)
JRC assessment
- Sources categories
- PHMSA
