ML20181A375

HEAF Presentation

ML20181A375
Person / Time
Issue date:	06/30/2020
From:	Michael Cheok NRC/RES/DRA
To:	Office of Nuclear Reactor Regulation
Schwab A
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ML20181A423	List: ML20181A340 ML20181A367 ML20181A375 ML20181A382 ML20181A393 ML20181A408
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Download: ML20181A375 (4)

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

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• 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

Background

3 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.

HEAF Program Status

4 Questions