MESSAI.iO

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This recommended practice addresses the unique hazards posed by gaseous hydrogen and fuel cell vehicles (FCVs) to first and second responders, distinguishing them from conventional gasoline vehicles. It references existing electrical safety standards for high-voltage systems while supplementing them with specific procedures for hydrogen incidents involving storage, recovery, and salvage.

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Abstract

Electric and alternative fueled vehicles present different hazards for first and second responders than conventional gasoline internal combustion engines. Hydrogen vehicles (H2V) including Fuel Cell Vehicles (FCVs) involved in incidents may present unique hazards associated with the fuel storage and high voltage systems. The electrical hazards associated with the high voltage systems of hybrid-electric vehicles and FCVs are already addressed in the parent document, SAE J2990. This Recommended Practice therefore addresses electric issues by reference to SAE J2990 and supplements SAE J2990 to address the potential consequences associated with hydrogen vehicle incidents and suggest common procedures to help protect emergency responders, tow and/or recovery, storage, repair, and salvage personnel after an incident has occurred. Industry design standards and tools were studied and where appropriate, suggested for responsible organizations to implement.

Key findings

  • Hydrogen vehicles present distinct hazards related to fuel storage and high-voltage systems compared to internal combustion engines.
  • Electrical hazards in FCVs are managed by referencing SAE J2990 rather than being redefined in this document.
  • The practice provides common procedures to protect emergency responders, tow/recovery personnel, and salvage workers following an incident.

Keywords

ParagraphClass (philosophy)Automotive engineeringFuel cellsElectric vehicleCombustion

Identifiers

DOI
10.4271/j2990/1_201606
Journal
Unknown journal
Year
2017