Rollover of a CGH2 trailer

Event

Event ID: 238
Quality: 2
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: Non-Hydrogen System Initiating Event
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: 09/10/1991
Main component involved?: Cgh2 Tube Trailer
How was it involved?: Manual Venting
Initiating cause: Impact, Rollover, Crash
Root causes: Human Factors
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 maneuvre)

Application: Hydrogen Transport And Distribution
Sub-application: CGH2 tube trailer
Hydrogen supply chain stage: Hydrogen Transport (No additional details provided)
All components affected: valves
Location type: Open
Operational condition: Normal

Number of injured persons: 1
Number of fatalities: 0
Environmental damage: 0
Currency: US$
Property loss (onsite): 85559
Property loss (offsite): 0
Post-event summary: The driver was injured in the crash.
Material Loss: $ 559.00
Carrier Damage: $ 80,000.00
Emergency action: The alarm was given by a person of the public. The local refinery emergency response team responded and secured the area. The pipeline was isolated, and the fire was let burn out and extinguished itself.
The normal operation restarted 7 days later.
6837 thousand standard cubic feet went lost during the leak (unintentional release)

Reference & weblink: Incident I-1991100514 of the US Pipeline and Hazardous Materials Safety Administration PHMSA: <br />
https://portal.phmsa.dot.gov/analytics/saw.dll?Portalpages&PortalPath=%… />
(accessed September 2024)