ML23088A076

Pcc - Workshop - Path Forward - March 30, 2023 - Final

ML23088A076
Person / Time
Issue date:	03/30/2023
From:	Lundy Pressley NRC/NRR/DRA/APOB
To:
References
Download: ML23088A076 (1)

Text

PRA Configuration Control Workshop Proposed Path Forward x

March 30, 2023 Lundy Pressley Reliability and Risk Analyst Office of Nuclear Reactor Regulation Division of Risk Assessment PRA Oversight Branch

2 Completed Tabletops at facilities Dec 2022 Conduct public meeting Workshop with Tabletop sites/Industry Stakeholders Mar 2023 Developed Working Group recommendations for near-term path forward Feb 2023 Obtained Alignment with NRC Mgt. on PCC Proposal Feb/Mar 2023 Overall Plan & Path Forward Develop near-term oversight guidance Summer 2023 Develop Enf./SDP strategy and Regional Panel Guidance Fall 2023 Issue Public Report on Tabletops April/May 2023 Gather feedback from near-term oversight, update as necessary 2024-2026 Develop long-term oversight process 2026

3 Proposal:

• Some level of oversight is appropriate to ensure the PRA is maintained over the life of the plant.

• Balanced approach of focused inspections within the existing ROP to monitor Plant/PRA changes and ensure appropriate implementation of PRA Configuration Control (PCC) programs for licensee PRA models that support risk-informed decision-making.

• The NRC Working Group has leveraged insights from the information gathered from the voluntarily performed tabletops, as well as interactions with industry and public meetings, to develop options and a draft recommendation for the PRA CC framework.

4 Evaluated Options Four options considered:

• Option 1 - Comprehensive Engineering Team Inspection (CETI)

(Internal Events, Flooding & Other Approved Hazards)

Focused Engineering Inspection (FEI) / (71111.21N)

• Option 2 - Resident Inspector Baseline Procedures. All hazards.

• Option 3 - IMC 2515 Appendix C, Infrequent Inspection.

• Option 4 - OpE Smart Sample (OpESS)

Added to current CETI/FEI/Fire/and Others as applicable (i.e., IP 37060, 71151, etc.).

5 WGs Recommended Inspection Enhancement

• Step 1 (Near-term): OpE Smart Sample (OpESS+)

PROPOSED Inspection Procedures:

71111.21M, Comprehensive Engineering Team Inspection, (CETI) 71111.21N.05, Fire Protection Team Inspection (FTPI) 37060, 10 CFR 50.69 Risk-Informed Categorization and Treatment SSC Resident Baseline: 71111 as appropriate (TBD) 71111.13, Maintenance Risk Assessments and Emergent Work Control 71111.18, Plant Modifications 71151, Performance Indicator Verification 71152, Problem Identification and Resolution (PI&R) 71153, Follow up of Events and Notices of Enforcement Discretion Focused Engineering Inspection (FEI) - None Current, Future TBD (2024-2026)

Step 1.A: Evolve/Update OpESS+ as needed.

6 OpESS+

SFCP NFPA 805 RICT 50.69 Proposed OpESS+

applicable and flexible to the Risk-Informed Initiatives in place.

Balanced and graded approach.

7 Near-term Actions - OpESS Obtained preliminary NRC Management endorsement of the WG recommendation (Complete)

Obtain and address Industry and Public Feedback (Ongoing)

Internal Communication/Awareness (Ongoing)

Training and Communication with Inspectors (Ongoing)

Finalize OpESS guidance (Ongoing)

Enforcement / Significance Determination Process

• Initiate Cross Regional Panel Process (Ongoing)

• Develop Screening Guidance (Ongoing)

• More-than-Minor/Green Threshold criteria (Ongoing)

8 Long-term Actions - ROP Update Based upon Feedback from OpESS institutionalize changes to ROP (Target 2026-2027)

Update SDP/Enforcement of PCC issues

9 Planned Outreach Efforts Issue publicly available report on insights from Tabletops Continue to engage with public and industry ROP Bi-Monthly public meetings Public workshops Industry meetings/interactions

10 Questions