ML20345A348
| ML20345A348 | |
| Person / Time | |
|---|---|
| Site: | Vogtle  |
| Issue date: | 12/10/2020 |
| From: | Nicole Coovert NRC/RGN-II |
| To: | Yox M Southern Nuclear Operating Co |
| References | |
| IR 2016004 | |
| Download: ML20345A348 (7) | |
Text
December 10, 2020 Mr. Michael Yox Regulatory Affairs Director Southern Nuclear Operating Company 7825 River Road, Bldg. 302, Vogtle 3&4 Waynesboro, GA 30830
SUBJECT:
VOGTLE ELECTRIC GENERATING PLANT, UNIT 3 - WITHDRAWAL OF NON-CITED VIOLATION 05200025/2016004-02, FAILURE TO QUALIFY WPS IN ACCORDANCE WITH APPLICABLE CODE
Dear Mr. Yox:
This letter is to inform you that non-cited violation (NCV)05200025/2016004-02, Failure to qualify WPS in accordance with applicable code, contained in NRC Integrated Inspection Reports 05200025/2016004, 05200026/2016004, issued February 13, 2017, Accession No. ML17044A539, and in Errata for NRC Integrated Inspection Reports 05200025/2016004, 05200026/2016004, issued in January 31, 2018, Accession No. ML18032A756, has been withdrawn. The NCV was associated with Unit 3 ITAAC 3.3.00.02a.i.b (Index # 761).
Following the identification of the inspection finding, several code interpretations were submitted to the American Welding Society (AWS) for code section D1.4, Structural Welding Code-Reinforcing Steel. Southern Nuclear Operating Company (SNC) is committed to the 1998 version of AWS D1.4 as referenced in the Updated Final Safety Analysis Report (UFSAR) and American Concrete Institute (ACI) 349-01, Code Requirements for Nuclear Safety Related Concrete Structures. Two code interpretations were written for the 1998 code version that were applicable to this inspection finding: AWS Log numbers D1.4-98-I02, Qualification Limits of Table 6.2, and D1.4-18-I01, Use of Essential Variables for WPS Qualification, Inquiry 3.
These interpretations provided clarification for welding procedure specification (WPS) qualifications with respect to essential variables for joint type and groove type. Additionally, your staff evaluated the code applicability and documented in Engineering & Design Coordination Report (E&DCR) APP-CR01-GEF-850264, Revision 0, Rebar WPS Qualification.
The NRC Staff conducted a detailed review of the applicable AWS code sections, including the AWS code interpretations mentioned above. As a result, the subject NCV 05200025/2016004-02 was determined not to be valid. The NRC Staff subsequently determined SNC was in compliance with the requirements of AWS D1.4-98 and also determined that there is no Criterion XVI violation for inadequate corrective actions associated with the original NCV.
Because this NCV has been withdrawn, neither the NCV nor the associated cross-cutting aspect will be used in assessing Vogtle Unit 3 Generating Plant performance in the Construction Reactor Oversight Process. If you have any questions or comments on this matter, please contact me at (404)-997-4510 or by email at Nicole.Coovert@nrc.gov. This letter will be made available for public inspection and copying at http://www.nrc.gov/reading-rm/adams.html and at the NRC Public Document Room in accordance with 10 CFR 2.390, Public Inspections, Exemptions, Requests for Withholding.
Sincerely,
/RA/
Nicole Coovert Branch Chief Construction Inspection Branch 1 Docket Nos.: 5200025, 5200026 License Nos: NPF-91, NPF-92 2
ML20345A348 (NCP-2020-008 VEGP Withdrawal with Attachment) ADAMS ACCECCION NUNBER: ML20345A198 OFFICE RII: DCO RII: DCO RII: DCO A. Ponko/
NAME Non-concur G. Khouri N. Coovert NCP 2020-008 DATE 10/2020 12/10 /2020 12/ 10 /2020 cc w/ encls:
Resident Manager Resident Inspector Oglethorpe Power Corporation Vogtle Plant Units 3 & 4 Alvin W. Vogtle Nuclear Plant 8805 River Road 7821 River Road Waynesboro, GA 30830 Waynesboro, GA 30830 Mr. Barty Simonton Office of the Attorney General Team Leader 40 Capitol Square, SW Environmental Radiation Program Atlanta, GA 30334 Air Protection Branch Environmental Protection Division Southern Nuclear Operating Company 4244 International Parkway, Suite 120 Document Control Coordinator Atlanta, GA 30354-3906 3535 Colonnade Parkway Birmingham, AL 35243 Brian H. Whitley Regulatory Affairs Director Anne F. Appleby Southern Nuclear Operating Company Olgethorpe Power Corporation 3535 Colonnade Parkway, BIN N-226-EC 2100 East Exchange Place Birmingham, AL 35243 Tucker, GA 30084 Mr. Michael Yox County Commissioner Site Regulatory Affairs Director Office of the County Commissioner Vogtle Units 3 & 4 Burke County Commission 7825 River. Road, Building 302 (ESB)
Waynesboro, GA 30830 Bin 6031 Waynesboro, GA 30830 Mr. Wayne Guilfoyle Commissioner District 8 Augusta-Richmond County Commission 4940 Windsor Spring Rd Hephzibah, GA 30815 Gwendolyn Jackson Burke County Library 130 Highway 24 South Waynesboro, GA 30830 Mr. Reece McAlister Executive Secretary Georgia Public Service Commission Atlanta, GA 30334 4
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