United States Nuclear Regulatory Commission - Protecting People and the Environment
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TH32  Improving Realism in Fire Probabilistic Risk Assessments

This session will discuss the latest research advances in the area of fire risk. Topics will include physical failures of electrical enclosure resulting in fires and explosions and how new data can be used in modeling fire probabilistic risk assessments (PRAs). Speaker will discuss operating experience and both fire and electrical high-energy arc fault testing. The latest research and PRA applications for cable hot shorting, fire modeling, and a fire events database will also be discussed. International discussion will include seismic induced fires and high-energy arc faults.


  • Update on Fire Model Verification and Validation
    Kevin McGrattan, Mathematician, National Institute of Standards and Technology
  • Improving the Modeling of Electrical Cabinet Fires through RACHELLE-Fire
    Joelle DeJoseph, Technical Consultant, Jensen Hughes
  • Scope and Results of JACQUE-FIRE III [NUREG/CR 7150 Volume 3]
    Thomas A. Gorman, Senior Technical Consultant, Jensen Hughes
  • Experimental Studies of High Energy Arcing Fault (HEAF) by Nuclear Regulation Authority (NRA) of Japan
    Hajime Kabashima, Chief Research, Japan Nuclear Regulatory Authority, Japan
  • High Energy Arc Faults (HEAF) in Nuclear Power Plant Applications
    Nicholas Melly, Fire Protection Engineer, Division of Risk Analysis, RES/NRC
  • It's Not Just for NFPA 805: The Importance of Moving Forward with Continued Improvements to Fire PRA
    Victoria Anderson, Senior Project Manager, Risk Assessment, Nuclear Energy Institute

  • Mark Henry Salley, Branch Chief, Division of Systems Analysis, RES/NRC tel: 301-415-2474, e-mail: Markhenry.Salley@nrc.gov

Page Last Reviewed/Updated Tuesday, February 24, 2015