ML20181A375

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HEAF Presentation
ML20181A375
Person / Time
Issue date: 06/30/2020
From: Michael Cheok
NRC/RES/DRA
To:
Office of Nuclear Reactor Regulation
Schwab A
Shared Package
ML20181A423 List:
References
Download: ML20181A375 (4)


Text

High Energy Arcing Faults (HEAF) - Update Michael Cheok Office of Nuclear Regulatory Research Division of Risk Analysis June 30, 2020 1

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Background===

  • Issue of aluminum involvement in HEAFs is in the assessment phase of the Generic Issue (GI) process
  • Planned 2020 testing currently on hold to address Working Group and stakeholder comments.
  • Technical issues being addressed as part of NRC-EPRI Working Group 2

HEAF Program Status

  • EPRI completed the industry survey and associated preliminary risk analysis.
  • NRC completed a draft project plan, and preliminary insights and conclusions based on the tests completed to date.
  • WG to finalize a detailed project plan to integrate industry survey, plant operating experience, realistic plant configurations, the PRA model, and test data.
  • NRC will continue to keep the public and stakeholders informed via NRC website and public meetings.

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Questions 4