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Request for Alternative: Alternative Requirements for ASME Section XI Examination Coverage of Weldolet Branch Connection Welds (VEGP 3&4-PSI/ISI-ALT-151)
	ML20358A179
Person / Time
Site:	Vogtle
Issue date:	12/23/2020
From:	Yox M; Southern Nuclear Operating Co
To:	; Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML20358A178	List: ML20358A179; ML20358A180; ML20358A182; ML20358A183; ND-20-1414, Affidavit from Southern Nuclear Operating Company for Withholding Under 10 CFR 2.390 (CAW-20-5130) (VEGP 3&4 PSI/ISI-ALT-15);
References
	ND-20-1414
	Download: ML20358A179 (4)
	v • d • e

Southern Nuclear Michael J. Yox Regulatory Affairs Director Vogtle 3 & 4 7825 River Road Waynestwro, GA 30830 706-848^459 tel 410-474-8587 cell myox@soiithemco.coni December 23, 2020 Docket Nos.;52-025 52-026 ND-20-1414 10 CFR 50.55a U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555-0001 Southern Nuclear Operating Company Vogtle Electric Generating Plant Units 3 and 4 Request for Alternative:

Alternative Requirements for ASME Section XI Examination Coverage of Weldolet Branch Connection Welds (VEGP 3&4-PSI/ISI-ALT-151 Ladies and Gentlemen:

Pursuant to 10 CFR 50.55a(z)(2), Southern Nuclear Operating Company (SNC), the licensee for Vogtle Electric Generating Plant (VEGP) Units 3 and 4, requests NRG authorization to use an alternative to the requirements of Section XI, IWA-2200 of the ASME Boiler and Pressure Vessel (B&PV) Code, 2007 Edition through 2008 Addenda (code of record) for VEGP Units 3 and 4. The proposed request for alternative is applicable to preservice and inservice inspection of Class 1 welds. The details of the 10 CFR 50.55a(z)(2) request are contained in the enclosures to this letter. Approval is requested by April 13, 2021, to support performance of preservice inspection activities prior to Unit 3 ITAAC completion. provides the proposed alternative VEGP 3&4-PSI/ISI-ALT-15 in Accordance with 10CFR50.55a(z)(2). provides the proprietary technical description of the flaw tolerance evaluation conducted by Westinghouse on the subject weldolet branch connections; therefore, Enclosure 2 is requested to be withheld from disclosure to the public under 10 CFR 2.390. provides the non-proprietary technical description of the flaw tolerance evaluation conducted by Westinghouse on the subject weldolet branch connections. provides the Westinghouse affidavit for withholding proprietary information contained in Enclosure 2. Enclosure 2 contains information proprietary to Westinghouse Electric Company LLC ("Westinghouse"), and is supported by the Affidavit signed by Westinghouse, the owner of the information. The Affidavit sets forth the basis on which the information may be withheld from public disclosure by the Nuclear Regulatory Commission ("Commission") and

U.S. Nuclear Regulatory Commission ND-20-1414 Page 2 of 4 addresses with specificity the considerations listed in paragraph (b)(4) of Section 2.390 of the Commission's regulations.

Accordingly, it is respectfully requested that the information which is proprietary to Westinghouse be withheld from public disclosure in accordance with 10 CFR Section 2.390 of the Commission's regulations.

Correspondence with respect to the copyright or proprietary aspects of the items listed above or the supporting Westinghouse Affidavit should reference CAW-20-5130 and should be addressed to Camille T. Zozula, Manager, Infrastructure & Facilities Licensing, Westinghouse Electric Company, 1000 Westinghouse Drive, Suite 165, Cranberry Township, Pennsylvania 16066. provides the SMC affidavit for withholding proprietary information contained in.

This letter contains no regulatory commitments. This letter has been reviewed and confirmed to contain no security-related information. Should you have questions regarding this submittal, please contact Mr. Steven Leighty at (706) 848-6790.

I declare under penalty of perjury that the foregoing is true and correct. Executed on the 23rd day of December 2020.

Respectfully submitted, eteXTA Michael J. Yox Regulatory Affairs Director Vogtle 3 & 4 Southern Nuclear Operating Company

U.S. Nuclear Regulatory Commission ND-20-1414 Page 3 of 4