ML19093B844

NEI Slides - Assessing Open Phase Condition Implementation Using Risk Insights (March 20, 2019 Public Meeting)

ML19093B844
Person / Time
Site:	Nuclear Energy Institute
Issue date:	03/20/2019
From:	Geier S Nuclear Energy Institute
To:	Mike Williams NRC/NRR/DE/EEOB
Perkins L
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Assessing Open Phase Condition (OPC) Implementation Using Risk Insights Frances Pimentel (NEI), Greg Krueger (NEI),

Richard Anoba (JH), Matt Johnson (JH)

March 20, 2019

OPC VII Implementation Risk Impacts Immediate OPC Alarm Byron OPC OPC Modification OPC Automatic Compensatory Operator Event(s) (Monitor/Alarm) Trip Function Actions Response Change in Risk

©2019 Nuclear Energy Institute 2

Next Steps Revise OPC Initiative to allow use of the RI process to remain in alarm only as an alternative to implementing the automatic trip Public Meeting to resolve NRC comments on RI process - April 2019 Present revised OPC Initiative to NSIAC for approval - May 2019 NRC issue Staff response letter acknowledging new revision of the VII -

July 2019 NRC issue OPC Technical Report - TBD NRC issue letters for each site to close the Bulletin as inspections are completed

©2019 Nuclear Energy Institute 3