ML24128A254

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University of Illinois at Urbana-Champaign, Summary of April 5, 2024, Public Meeting to Discuss Principal Design Criteria Topical Report
ML24128A254
Person / Time
Site: 99902094
Issue date: 05/08/2024
From: Edward Helvenston
Office of Nuclear Reactor Regulation
To: Holly Cruz
Office of Nuclear Reactor Regulation
Shared Package
ML24128A253 List:
References
EPID L-2023-NFN-0013
Download: ML24128A254 (1)


Text

W. Kenned UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 May 8, 2024 MEMORANDUM TO:

Holly Cruz, Acting Chief Non-Power Production and Utilization Facility Licensing Branch Division of Advanced Reactors and Non-Power Production and Utilization Facilities Office of Nuclear Reactor Regulation FROM:

Edward Helvenston, Project Manager

/RA/

Non-Power Production and Utilization Facility Licensing Branch Division of Advanced Reactors and Non-Power Production and Utilization Facilities Office of Nuclear Reactor Regulation

SUBJECT:

SUMMARY

OF THE APRIL 5, 2024, PUBLIC MEETING BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION STAFF AND UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN TO DISCUSS TOPICAL REPORT ON PRINCIPAL DESIGN CRITERIA (EPID NO. L-2023-NFN-0013)

Meeting Information:

Applicant: University of Illinois at Urbana-Champaign (UIUC)

Project No.: 99902094 Public Meeting Notice Agencywide Documents Access and Management System (ADAMS)

Accession No.: ML24081A259 NRC Staff Presentation Slides: ML24128A255 Meeting Attendees: See the enclosure for a list of meeting attendees.

CONTACT: Edward Helvenston, NRR/DANU/UNPL (301) 415-4067 Meeting Summary:

On April 5, 2024, a public meeting was held between the U.S. Nuclear Regulatory Commission (NRC) staff and representatives of the University of Illinois at Urbana-Champaign (UIUC) and Ultra Safe Nuclear Corporation (USNC) via webinar. The purpose of this meeting was to discuss NRC staff questions and draft requests for additional information (RAIs) related to the UIUC topical report (TR), University of Illinois Urbana-Champaign High Temperature Gas-cooled Research Reactor: Micro Modular Reactor (MMRTM) Principal Design Criteria, submitted by UIUC on November 15, 2023 (ML23319A407). This was the first public meeting related to this TR. A list of meeting attendees is provided as an enclosure to this summary.

During the meeting, the NRC staff provided a presentation (ML24128A255) that included four draft RAIs it had prepared based on its review of the principal design criteria (PDC) TR, as well as two additional items for discussion and clarification. The NRC staff, UIUC, and USNC discussed the four draft items and two additional items as follows:

Draft RAI 1: UIUC stated that based on the draft RAI, it would revise PDC 15 to be consistent with the wording of NRC Regulatory Guide (RG) 1.232, Developing Principal Design Criteria for Non-Light Water Reactors, Revision 0 (ML17325A611), Appendix C, Modular High-Temperature Gas-Cooled Reactor Design Criteria, criterion 15, except that it would add pressure relief valves to the example list of systems that are part of the reactor helium pressure boundary, for clarity. UIUC stated that its intent was for the PDC to encompass all systems that are part of the helium pressure boundary, and these changes would allow the proposed PDC 15 to better reflect its initial intended meaning.

Draft RAI 2: UIUC stated that based on the draft RAI, it would revise PDC 16 to be consistent with the wording of NRC RG 1.232, Appendix C, criterion 16.

Draft RAI 3: UIUC stated that based on the draft RAI, it would revise PDC 32 to remove the language as applicable or justification if not required, such that PDC 32 would be consistent with the wording of NRC RG 1.232, Appendix C, criterion 32.

Draft RAI 4: UIUC confirmed that the TR applicability is limited to the planned UIUC research reactor. UIUC stated that it would revise the TR to clarify language in TR Section 5.0.

Additional Discussion Item 1: UIUC stated that it would revise PDC 19 consistent with option b on the NRC staff presentation slide for Additional Discussion Item 1.

Additional Discussion Item 2: UIUC stated that it would revise PDC 37 to delete the as applicable language.

Following the discussion of these items, UIUC, USNC, and the NRC staff noted that the required changes to the TR appeared to be straightforward. Therefore, UIUC and the NRC staff agreed that in lieu of the NRC staff immediately issuing the RAIs to UIUC formally following the meeting, UIUC could instead proceed with submitting a revised version of its PDC TR incorporating the changes discussed. The NRC staff noted that following its receipt of a revised TR, it would evaluate whether RAIs were still needed.

No regulatory decisions were made during this meeting.

Enclosure:

List of Attendees cc: University of Illinois at Urbana-Champaign via GovDelivery

SUBJECT:

SUMMARY

OF THE APRIL 5, 2024, PUBLIC MEETING BETWEEN THE U.S.

NUCLEAR REGULATORY COMMISSION STAFF AND UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN TO DISCUSS TOPICAL REPORT ON PRINCIPAL DESIGN CRITERIA (EPID NO. L-2023-NFN-0013)

DATED: May 8, 2024 DISTRIBUTION:

Public RidsNrrDanu Resource RidsOgcMailCenter RidsOpaMailCenter RidsOcaMailCenter EHelvenston, NRR PBoyle, NRR PTorres, NRR HCruz, NRR DBeacon, NRR GOberson, NRR ADAMS Pkg. Accession No.: ML24128A253; Summary ML24128A254; Slides ML24128A255 NRC-001 OFFICE NRR/DANU/UNPL:PM NRR/DANU/UNPL:BC(A)

NAME EHelvenston HCruz DATE 5/8/2024 5/8/2024 OFFICIAL RECORD COPY

Enclosure List of Meeting Attendees APRIL 5, 2024, PUBLIC MEETING BETWEEN THE U.S. NUCLEAR REGULATORY COMMISSION STAFF AND UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN TO DISCUSS TOPICAL REPORT ON PRINCIPAL DESIGN CRITERIA Name Organization Edward Helvenston U.S. Nuclear Regulatory Commission (NRC)

Paulette Torres NRC Patrick Boyle NRC Dan Beacon NRC Holly Cruz NRC Scott Burnell NRC Carolyn Wolf NRC Les Foyto University of Illinois at Urbana-Champaign (UIUC)

Tim Grunloh UIUC Caleb Brooks UIUC Alex Superfin Ultra Safe Nuclear Corporation (USNC)

Mike Hamer USNC Zachary Rad USNC Jeff Perry USNC Dominik Muszynski Member of the Public Ewa Muzikova Member of the Public Jared Hoffman Filmmaker