ML21098A126

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1B - Overview
ML21098A126
Person / Time
Issue date: 04/06/2021
From: Nick Melly
Office of Nuclear Regulatory Research
To:
Kenneth Hamburger
Shared Package
ML21098A124 List:
References
Download: ML21098A126 (6)


Text

Working Group Nicholas Melly, P.E.

Office of Nuclear Regulatory Research

NRC/EPRI Working Group

  • EPRI & NRC cooperative research agreement
  • Mission

- Advance state of knowledge and develop understanding of risk from HEAF

  • Goals

- Parameters that influence frequency and severity

- Develop more realistic risk models

- Analyze plant impact and ensure plant safety HEAF Research Working Group Update - April 6th, 2021

NRC/EPRI Working Group Team Members

  • Ken Fleischer (Fleischer Consultants)
  • Dane Lovelace (Jensen Hughes)
  • Nicholas Melly (NRC)
  • Shannon Lovvern (TVA)
  • Kenn Miller (NRC)
  • Gabriel Taylor (NRC)
  • Marko Randelovic/Ashley Lindeman (EPRI)
  • Chris LaFleur (SNL)
  • Jason Floyd (Jensen Hughes)

Project Management

  • Kelli Voelsing (EPRI)
  • Mark Henry Salley (NRC)

HEAF Research Working Group Update - April 6th, 2021

NRC/EPRI Working Group Method Improvements

  • Updated frequency values to comport with working group definitions of HEAF events (Arc blast vs. HEAF events)
  • The use of plant specific electrical design to focus HEAF scenario creation and frequency
  • NRC/EPRI working group is in the process of developing CDF modeling tools along with fragility test data, OpEx and expert judgment to define target vulnerability
  • Development of multiple consequence end states HEAF Research Working Group Update - April 6th, 2021

NRC Project Plan

  • Project Plan

- Requested by EPRI to improve project management

- Addresses objectives, assumptions, risks, and schedule

- Developed in close coordination with NRC/EPRI WG Members

- The project plan has been recently added to the NRC HEAF website

Project Schedule HEAF Research Working Group Update - April 6th, 2021 6