RA-24-0152, Duke Energy Carolinas, LLC - Request to Use a Provision of a Later Edition and Addenda of the ASME Boiler and Pressure Vessel Code, Section XI
| ML24143A005 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 05/22/2024 |
| From: | Ellis K Duke Energy, Duke Energy Carolinas |
| To: | Office of Nuclear Reactor Regulation, Document Control Desk |
| References | |
| RA-24-0152 | |
| Download: ML24143A005 (1) | |
Text
(_~ DUKE
((; ENERGY RA-24-0152 May 22, 2024 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001 Duke Energy Carolinas, LLC Oconee Nuclear Station, Unit 3 Docket No. 50-287 Renewed License No. DPR-55 KevinM. 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 10 CFR 50.55a(g)(4)(iv)
Subject:
Request to Use a Provision of a Later Edition and Addenda of the ASME Boiler and Pressure Vessel Code,Section XI
Reference:
- 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.
In accordance with 1 O CFR 50.55a, "Codes and Standards," paragraph (g)(4 )(iv), and the guidance provided in Reference 1, Duke Energy Carolinas, LLC (Duke Energy) requests NRC approval to use a specific provision of a later edition of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel (B&PV) Code,Section XI, for Oconee Nuclear Station, Unit 3. Specifically, Duke Energy requests approval to use IWB-3640, IWB-3641, IWB-3642, and Non mandatory Appendix C of the 2019 Edition of the ASME B&PV Code.
Duke Energy requests approval of this request by 2000 EDT (Eastern Daylight Time) today, May 22, 2024. This timeframe for approval supports scheduled restart of Unit 3 out of the current refueling outage.
No regulatory commitments are contained in this submittal.
If there are any questions or if additional information is needed, please contact Mr. Ryan Treadway, Director - Nuclear Fleet Licensing, at 980-373-5873.
Kevin M. Ellis General Manager - Nuclear Regulatory Affairs, Policy & Emergency Preparedness
U.S. Nuclear Regulatory Commission RA-24-0152 Page 2
Enclosure:
Proposed Use of Subsequent ASME Code Edition and Addenda in Accordance with 10 CFR 50.55a(g)(4)(iv) cc: (with enclosure)
Ms. Laura Dudes Administrator, Region II U.S. Nuclear Regulatory Commission Marquis One Tower 245 Peachtree Center Avenue NE, Suite 1200 Atlanta, GA 30303-1257 Mr. Shawn Williams NRC Senior Project Manager Oconee Nuclear Station Mr. Nick Smalley NRC Senior Resident Inspector Oconee Nuclear Station
Enclosure to RA-24-0152 Enclosure Proposed Use of Subsequent ASME Code Edition and Addenda In Accordance with 10 CFR 50.55a(g)(4)(iv)
[2 pages follow this cover page]
Proposed Use of Subsequent ASME Code Edition and Addenda 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 Oconee Nuclear Station, Unit 3. Specifically, Duke Energy requests approval to use IWB-3640, IWB-3641, IWB-3642, and Nonmandatory Appendix C of the 2019 Edition of the ASME B&PV Code.
1.0 ASME CODE COMPONENT AFFECTED:
All pressure-retaining piping and components described in the ASME Boiler and Pressure Vessel Code,Section XI, 2019 Edition, Articles IWB-3640, IWB-3641, IWB-3642, and Nonmandatory Appendix C.
2.0 REQUESTED DATE FOR APPROVAL Approval requested by May 22, 2024.
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 Oconee Nuclear Station, Unit 3 Fifth 2007 Edition, Through 2008 Addendum 07/15/2014 07/14/2024 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, 2019 Edition in lieu of the 2007 Edition with the 2008 Addenda. Specifically, Duke Energy proposes to utilize IWB-3640, IWB-3641, IWB-3642, and Nonmandatory Appendix C in order to expand applicability of analytical flaw evaluation procedures from piping NPS 4 or greater to NPS 1 or greater.
5.0 RELATED REQUIREMENTS 10 CFR 50.55a(g)(4)(iv) states:
"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)
Proposed Use of Subsequent ASME Code Edition and Addenda In Accordance with 10 CFR 50.55a(g)(4)(iv)
Page 2 of 2 of this section, and subject to Commission approval. Portions of editions or addenda may be used, provided that all related requirements of the respective editions or addenda are met."
10 CFR 50.55a(b)(2) incorporates by reference Section XI, Division 1, of the ASME B&PV Code 2019 Edition as approved in Reference 2. Duke Energy is requesting use of IWB-3640, IWB-3641, IWB-3642 and Nonmandatory Appendix C of the 2019 Edition of ASME Section XI for analytical evaluations of flaws in piping. There are no related requirements or applicable conditions associated with IWB-3640, IWB-3641, IWB-3642, or 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 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).
- 2. 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).
- 3. 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, 87 FR 65128, dated October 27, 2022.