RA-25-0034, Request to Use a Provision of a Later Edition of the ASME Boiler and Pressure Vessel Code, Section XI
| ML25037A163 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 02/06/2025 |
| From: | Ellis K Duke Energy Progress |
| To: | Office of Nuclear Reactor Regulation, Document Control Desk |
| References | |
| RA-25-0034 | |
| Download: ML25037A163 (1) | |
Text
Kevin M. Ellis General Manager Nuclear Regulatory Affairs, Policy &
Emergency Preparedness Duke Energy 13225 Hagers Ferry Rd., MG011E Huntersville, NC 28078 843-951-1329 Kevin.Ellis@duke-energy.com Serial: RA-25-0034 10 CFR 50.55a(g)(4)(iv)
February 6, 2025 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Brunswick Steam Electric Plant, Unit No. 1 Renewed Facility Operating License No. DPR-71 Docket No. 50-325
SUBJECT:
Request to Use a Provision of a Later Edition of the ASME Boiler and Pressure Vessel Code,Section XI
REFERENCES:
- 1. U.S. Nuclear Regulatory Commission (NRC) Regulatory Issue Summary 2004-12, Clarification on Use of Later Editions and Addenda to the ASME OM Code and Section XI, dated July 28, 2004 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML042090436)
Ladies and Gentlemen:
In accordance with 10 CFR 50.55a, "Codes and standards," paragraph (g)(4)(iv) and the guidance provided in Reference 1, Duke Energy Progress, LLC (Duke Energy) requests NRC approval to use specific provisions of a later edition of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel (B&PV) Code,Section XI, for Brunswick Steam Electric Plant (BSEP), Unit 1. Specifically, Duke Energy requests approval to use Nonmandatory Appendix C of the 2021 Edition of the ASME B&PV Code. The request is provided in the Enclosure to this letter.
Duke Energy requests approval of this request by February 13, 2025. This timeframe for approval supports augmented examinations associated with an ASME Code Case N-513-5 evaluation.
No regulatory commitments are contained in this submittal.
If you have additional questions, please contact Ryan Treadway, Director - Nuclear Fleet Licensing, at 980-373-5873.
U.S. Nuclear Regulatory Commission RA-25-0034 Page 2 Kevin M. Ellis General Manager - Nuclear Regulatory Affairs, Policy & Emergency Preparedness
Enclosure:
cc:
Proposed Use of Subsequent ASME Code Edition in Accordance with 10 CFR 50.55a(g)(4)(iv)
L. Dudes, Regional Administrator USNRC Region II G. Smith, NRC Senior Resident Inspector L. Haeg, NRC Project Manager, NRR
Enclosure to RA-25-0034 Enclosure Proposed Use of Subsequent ASME Code Edition in Accordance with 10 CFR 50.55a(g)(4)(iv) 2 Pages Follow
Proposed Use of Subsequent ASME Code Edition In Accordance with 10 CFR 50.55a(g)(4)(iv)
Page 1 of 2 In accordance with 10 CFR 50.55a, "Codes and Standards," paragraph (g)(4)(iv) and the guidance provided in Reference 1, Duke Energy requests NRC approval to use specific provisions of a later edition of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel (B&PV) Code,Section XI, for Brunswick Steam Electric Plant (BSEP), Unit 1.
Specifically, Duke Energy requests approval to use Nonmandatory Appendix C of the 2021 Edition of the ASME B&PV Code.
1.0 ASME CODE COMPONENT AFFECTED:
All pressure-retaining piping and components described in the applicable Edition of ASME Boiler and Pressure Vessel Code,Section XI, Nonmandatory Appendix C.
2.0 REQUESTED DATE FOR APPROVAL Approval requested by February 13, 2025.
3.0 APPLICABLE CODE EDITION AND ADDENDA The current applicable Edition and Addenda of the ASME Code,Section XI is identified in Table 1.
Table 1 Plant/Unit ISI Interval ASME Section XI Code Edition/Addenda Interval Start Date Interval End Date1 Brunswick Steam Electric Plant, Unit 1 Fifth 2007 Edition, Through 2008 Addendum 05/11/2018 05/10/2028 Note 1: Date listed is the currently planned interval end date. In accordance with IWA-2430(c)(1), this end date may be extended or shortened as necessary.
4.0 PROPOSED SUBSEQUENT CODE EDITION AND ADDENDA:
Duke Energy proposes to utilize portions of the ASME Section XI, 2021 Edition in lieu of the 2007 Edition with the 2008 Addenda. Specifically, Duke Energy proposes to utilize Nonmandatory Appendix C in order to expand applicability of analytical flaw evaluation procedures related to updated material property parameters.
5.0 RELATED REQUIREMENTS 10 CFR 50.55a(g)(4)(iv) states, in part:
"Inservice examination of components and system pressure tests may meet the requirements set forth in subsequent editions and addenda that are incorporated by reference in paragraph (a) of this section, subject to the conditions listed in paragraph (b) of this section, and subject to Commission approval. Portions of editions or addenda may
Proposed Use of Subsequent ASME Code Edition In Accordance with 10 CFR 50.55a(g)(4)(iv)
Page 2 of 2 be used, provided that all related requirements of the respective editions or addenda are met."
10 CFR 50.55a(a)(1)(ii) incorporates by reference Section XI, Division 1, of the ASME B&PV Code 2021 Edition as approved in Reference 2. Duke Energy is requesting use of Nonmandatory Appendix C of the 2021 Edition of ASME Section XI for analytical evaluations of flaws in piping. There are no related requirements or applicable conditions listed in 10 CFR 50.55a(b)(2) for Nonmandatory Appendix C.
6.0 DURATION OF REQUEST This alternative is proposed for the remainder of the current Inservice Inspection Interval listed in Table 1.
7.0 PRECEDENTS
- 1. ADAMS Accession Number ML24233A308. NRC approval dated August 29, 2024.
Oconee Nuclear Station, Unit 3 - "Request to Utilize a Later Edition of the ASME Boiler and Pressure Vessel Code,Section XI", dated May 22, 2024 (ADAMS Accession Number ML24143A005).
- 2. ADAMS Accession Number ML23118A076. NRC approval dated May 1, 2023.
Duke Energy Fleet - "Request to Use a Provision of a Later Edition and Addenda of the ASME Boiler and Pressure Vessel Code,Section XI", dated February 2, 2023 (ADAMS Accession Number ML23033A037).
- 3. ADAMS Accession Number ML23230A065. NRC approval dated August 31, 2023.
William B. McGuire Nuclear Station, Units 1 and 2 - "10 CFR 50.55a(g)(4)(iv) Request to Use a Subsequent Edition of ASME Section XI referenced in 10 CFR 50.55(a) for ISI Code of Record", dated June 28, 2023 (ADAMS Accession Number ML23179A170).
- 4. ADAMS Accession Number ML20276A003. NRC approval dated October 2, 2020.
Prairie Island Nuclear Generating Plant, Units 1 and 2 - "10 CFR 50.55a Requests Nos. 1-RR-5-14 and 2-RR-5-14, Proposed Use of Subsequent ASME Code Edition and Addenda in Accordance with 10 CFR 50.55a(g)(4)(iv)", dated October 1, 2020 (ADAMS Accession Number ML20275A294).
8.0 REFERENCES
- 1. NRC Regulatory Issue Summary 2004-12, "Clarification on Use of Later Editions and Addenda to the ASME OM Code and Section XI," dated July 28, 2004.
- 2. Federal Register, 89 FR 70467, dated August 30, 2024.