ML22133A035

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Notice of Public Meeting with EPRI to Discuss with EPRI Technical Aspects Concerning Use of Extremely Low Probabilistic Fracture Mechanics Code to Inform Loss-Of-Coolant Accident Frequency Estimates and Related Regulatory Applications
ML22133A035
Person / Time
Issue date: 06/14/2022
From: Matthew Homiack
NRC/RES/DE
To:
Homiack M
References
Download: ML22133A035 (3)


Text

PUBLIC MEETING ANNOUNCEMENT

Title:

Meeting with the Electric Power Research Institute to Discuss Use of the Extremely Low Probability of Rupture Code for Loss-of-Coolant Accident Frequency Estimates Date(s) and Time(s): June 14, 2022, 1:00 PM to 4:30 PM EDT Location:

NRC Headquarters Two White Flint North, 6th Floor, Room D02 11545 Rockville Pike Rockville, MD 20852-2738 Category:

This is an Observation Meeting. This is a meeting in which attendees will have an opportunity to observe the NRC performing its regulatory function or discussing regulatory issues. Attendees will have an opportunity to ask questions of the NRC staff or make comments about the issues discussed following the business portion of the meeting; however, the NRC is not actively soliciting comments towards regulatory decisions at this meeting.

Purpose:

Discuss technical aspects concerning use of the Extremely Low Probability of Rupture (xLPR) probabilistic fracture mechanics code to inform loss-of-coolant accident frequency estimates and related regulatory applications. Specific topics for discussion are provided in the agenda to this announcement.

Contacts:

Nachiketh (Nach) Chandran Nachiketh.Chandran@nrc.gov Matthew Homiack 301-415-2427 Matthew.Homiack@nrc.gov

Participants:

NRC Staff from the Office of Nuclear Regulatory Research (RES)

Staff from the Office of Nuclear Reactor Regulation (NRR)

External Electric Power Research Institute (EPRI)

Teleconference:

Bridge Number Conference ID (301) 576-2978 794077574#

Webinar:

URL https://teams.microsoft.com/l/meetup-join/19%3ameeting_NDk1YTBlOTktZWI5Ny00ZDI4LTg5ZGEtM2FhOD JiYjlhNzlk%40thread.v2/0?context=%7b%22Tid%22%3a%22e8d01475-c3b5-436a-a065-5def4c64f52e%22%2c%22Oid%22%3a%22c3848dd3-68fd-49ac-96d9-16ca2c58a609%22%7d

The NRC provides reasonable accommodations to individuals with disabilities where appropriate. If you need a reasonable accommodation to participate in a meeting or need a meeting notice or the transcript or other information from a meeting in another format (e.g.

braille, large print), please contact Anne Silk, NRC Reasonable Accommodations Coordinator, at Anne.Silk@nrc.gov or call directly at 301-287-0745. Determinations on requests for reasonable accommodation will be made on a case-by-case basis. Ten (10) days advance notice is requested to try to ensure availability; however, every effort will be made to address a request for reasonable accommodations with less notice.

PUBLIC MEETING AGENDA

Meeting with the Electric Power Research Institute to Discuss Use of the Extremely Low Probability of Rupture Code for Loss-of-Coolant Accident Frequency Estimates June 14, 2022, 1:00 PM to 4:30 PM EDT NRC Headquarters Two White Flint North, 6th Floor, Room D02 11545 Rockville Pike Rockville, MD 20852-2738 Time Topic Presenter 1:00 PM - 1:15 PM Introduction Opening Remarks NRC staff NRC staff / EPRI 1:15 PM - 1:25 PM Overview of NUREG-1829, Estimating Loss-of-Coolant Accident (LOCA) Frequencies Through the Elicitation Process NRC staff 1:25 PM - 1:40 PM Predicting Pipe Rupture Frequencies Using xLPR NRC staff 1:40 PM - 1:55 PM Example xLPR LOCA Frequency Estimates Compared to NUREG-1829 Expert Elicitation Results NRC staff 1:55 PM - 2:10 PM Overview and Key Outcomes from Scoping Study on Use of the xLPR Code for Developing LOCA Frequency Estimates EPRI 2:10 PM - 2:30 PM Use of LOCA Frequency Estimates in Fuels Licensing Applications EPRI 2:30 PM - 2:35 PM Public Question and Answer Public 2:35 PM - 2:50 PM Break All 2:50 PM - 3:40 PM Plans for Full-Scope Study Using the xLPR Code to Develop LOCA Frequency Estimates EPRI 3:40 PM - 4:10 PM Treatment of Non-xLPR-Modeled Degradation Mechanisms and Failure Modes EPRI 4:10 PM - 4:20 PM Analysis Schedule and Engagement Opportunities NRC staff 4:20 PM - 4:30 PM Public Question and Answer Public 4:30 PM Adjourn All