ML16252A526

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2/23/2016 NRC Abq Meeting Phase IV Np
ML16252A526
Person / Time
Site: Boiling Water Reactor Owners Group
Issue date: 02/23/2016
From: James Drake
Licensing Processes Branch (DPR)
To:
Drake J
Shared Package
ML16252A521 List:
References
Download: ML16252A526 (4)


Text

Rob Choromokos (SIA)

Larry Naron (Exelon)

Larry Lee (Jensen Hughes)

Bruce Letellier (Alion Science)

William Cook (Alion Science)

Benjamin Bridges (Alion Science)

Kent Sutton (iNgrid Consulting)

BWROG/NRC Meeting Albuquerque, NM February 23-24, 2016 BWROG ECCS Suction Strainers Risk-Informed Solutions Committee - Possible Phase IV Path February 23-24, 2016 1

NRC Mtg - Information Only

Phase IV Objective/Approach February 23-24, 2016 2

NRC Mtg - Information Only

  • Aggregate learnings and insights from the two pilot studies
  • Identify salient attributes and establish screening criteria
  • Evaluate the remainder of US BWR fleet against established criteria
  • If necessary, perform more detailed evaluation of plants that did not screen

Potential/Likely Salient Attributes February 23-24, 2016 3

NRC Mtg - Information Only

  • Type of effective debris Constituent combination Ability to form thick bed
  • Containment design
  • CRD flow relative to core size
  • Wetwell transport time
  • Time available for operator action
  • External injection sources

February 23-24, 2016 NRC Mtg - Information Only 4

Thin Bed Criteria

- CRD Flow

- Time to Fail

- Aux Water

- Operator Actions Plant Surrogate Studies Plant Specific PETT PRA case studies Conceptual Phase IV Path