ML23258A199

NEI 99-02 Draft Rev. 8 Update for Sept 2023 ROP Public Meeting

ML23258A199
Person / Time
Site:	Nuclear Energy Institute
Issue date:	09/20/2023
From:	Riti T Nuclear Energy Institute
To:	Office of Nuclear Reactor Regulation
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Download: ML23258A199 (1)

Text

Update on NEI 99-02, Revision 8 ROP Public Meeting Sept 20, 2023

©2023 Nuclear Energy Institute 1

Purpose Provide update on NEI 99-02 draft revision 8 major changes Submit for initial NRC review/feedback and discuss engagement strategy

©2023 Nuclear Energy Institute 2

Overview Since revision 7 was issued in 2013

• 50 FAQs have been approved*

• 2 FAQs pending 22-01, Replace the ANS PI with ERFER PI Commission issued SRM-SECY-23-0010 on 9/1/2023 23-02, PB Scram (finalize on 9/20/2023)

• 1 White Paper, AP1000 (in review)

• The current list of approved FAQs can be found on the NRC website.

©2023 Nuclear Energy Institute 3

Draft Changes Summary of Changes

• Replaced references to Consolidated Data Entry (CDE) with Industry Reporting and Information System (IRIS) throughout

• Incorporated definition of concurrent failure (FAQ 14-04)

• Added definition of initial transient (FAQ 18-01)

• Major reformatting of MSPI section including App. F&G (FAQs 13-06, 14-01, 14-02, 14-08, 15-03, 16-01, 16-02, 16-03, 16-04, 17-03, 17-04, 17-05, 20-03)

• Major reformatting/rewrite of EP section (FAQs 13-07, 19-01, 20-04, 21-02, 15-04, 20-02, 14-05, 21-03)

Includes placeholder language for FAQ 22-01, ANS PI to ERFER PI

• Added new plant specific FAQs (14-03, 17-01, 17-02, 18-03, 18-04, 20-01)

• Updated criteria to account for AP1000 design difference (FAQ 21-01 & pending white paper)

• Updated BWR question for verifying rod position (FAQ 15-01)

©2023 Nuclear Energy Institute 4

Draft Changes Additional Changes

• Address frequently asked questions and other areas that warrant additional clarity MFW availability Use of CBPs & AFW BWR SRV usage Additional examples describing planned scrams versus unplanned scrams post maintenance activities such as expected actions taken to address main turbine rubs and vibration during plant startup Complete a reactor shutdown sequence less than 35% following completion of transient response when reactor trip criteria was not reached Add clarity to unplanned power change exclusion when addressing other issues during a planned power reduction greater than 20% (FAQ 13-02, 13-05)

©2023 Nuclear Energy Institute 5

Next Steps Submit draft rev. 8 to NRC during Sept 20th ROP public meeting Finalize/incorporate open FAQ/white paper feedback Discuss and incorporate NRC feedback as appropriate during ROP public meetings (additional ROP public meetings may be warranted)

Implement NEI 99-02 rev. 8 TBD

©2023 Nuclear Energy Institute 6

Questions

©2023 Nuclear Energy Institute 7