ND-20-0282, ITAAC Closure Notification on Completion of ITAAC 2.1.02.12a.ix (Index Number 61)

ITAAC Closure Notification on Completion of ITAAC 2.1.02.12a.ix (Index Number 61)

ML20090C208
Person / Time
Site:	Vogtle
Issue date:	03/27/2020
From:	Yox M Southern Nuclear Operating Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
ITAAC 2.1.02.12a.ix, ND-20-0282
Download: ML20090C208 (6)

Text

Michael J. Yox 7825 River Road hk.Southern NucIear Regulatory Affairs Director Vogtle 3 & 4 Waynesboro, GA 30830 706-848-6459 tel MAR 2 7 2020 Docket Nos.: 52-025 ND-20-0282 10CFR 52.99(c)(1)

U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555-0001 Southern Nuclear Operating Company Vogtle Electric Generating Plant Unit 3 ITAAC Closure Notification on Completion of ITAAC 2.1.02.12a.ix rindex Number 611 Ladies and Gentlemen:

In accordance with 10 CFR 52.99(c)(1), the purpose of this letter is to notify the Nuclear Regulatory Commission (NRC) of the completion of Vogtle Electric Generating Plant(VEGP) Unit 3 Inspections, Tests, Analyses, and Acceptance Criteria (ITAAC) Item 2.1.02.12a.ix [Index Number 61]for the verification that the referenced Item OSd.iv of Table 2.1.2-4 determines the effective flow area through each stage 1 Automatic Depressurization System (ADS) valve is >4.6 in^ and each stage 2 and 3 ADS valve is >16 in^. The closure process for this ITAAC is based on the guidance described in NEI 08-01, "Industry Guideline for the ITAAC Closure Process under 10 CFR Part 52,"

which was endorsed by the NRC in Regulatory Guide 1.215.

This letter contains no new NRC regulatory commitments. Southern Nuclear Operating Company (SNC) requests NRC staff confirmation of this determination and publication of the required notice in the Federal Register per 10 CFR 52.99.

If there are any questions, please contact Tom Petrak at 706-848-1575.

Respectfully submitted, ^

Michael J. Yox^ ^j Regulatory Affairs Director Vogtle 3 & 4

Enclosure:

Vogtle Electric Generating Plant(VEGP) Unit 3 Completion of ITAAC 2.1.02.12a.ix [Index Number 61]

MJY/WLP/sfr

U.S. Nuclear Regulatory Commission ND-20-0282 Page 2 of 3 To:

Southern Nuclear Operating Companv/ Georgia Power Companv Mr. Peter P. Sena III (w/o enclosures)

Mr. D. L. McKlnney (w/o enclosures)

Mr. M. D. Meier(w/o enclosures)

Mr. D. H. Jones(w/o enclosures)

Mr. G. Chick Mr. M. Page Mr. P. Martino Mr. M. J. Vox Mr. A. S. Parton Ms. K. A. Roberts Mr. T. G. Petrak Mr. C. T. Defnall Mr. C. E. Morrow Mr. J. L. Hughes Mr. S. Leighty Ms. A. C. Chamberlain Mr. J. C. Haswell Document Services RTYPE: VND.LI.L06 File AR.01.02.06 cc; Nuclear Reaulatorv Commission M W. Jones (w/o enclosures)

M C. P. Patel M G. J. Khouri Ms. S. E. Temple M N. D. Karlovich M A. Lerch M C. J. Even M B. J. Kemker Ms. N. C. Coovert M C. Welch M J. Gaslevic M V. Hall M G. Armstrong Ms. T. Lamb Mr. M. Webb Mr. T. Fredette Mr. C. Weber Mr. S. Smith Mr. C. Santos Mrs. M. Bailey Mr. S. Rose Mr. B. Davis Mr. J. Vasquez Mr. J. Eargle Ms. K. Carrington Mr. P. Heher Mr. M. King Mr. E. Davidson

U.S. Nuclear Regulatory Commission ND-20-0282 Page 3 of 3 Oalethorpe Power Corporation Mr. R. B. Brinkman Mr. E. Rasmussen Municipal Electric Authority of Georgia Mr. J. E. Fuller Mr. 8. M. Jackson Dalton Utilities Mr. T. Bundros Westinahouse Electric Company. LLC Dr. L. Oriani (w/o enclosures)

Mr. D. 0. Durham (w/o enclosures)

Mr. M. M. Corletti Mr. Z. S. Harper Mr. J. L. Coward Other Mr. J. E. Hesler, Bechtel Power Corporation Ms. L. Matis, Tetra Tech NUS, Inc.

Dr. W. R. Jacobs, Jr., Ph.D., GDS Associates, Inc.

Mr. 8. Roetger, Georgia Public Service Commission Ms. 8. W. Kernizan, Georgia Public Service Commission Mr. K. C. Greene, Troutman Sanders Mr. 8. Blanton, Baich Bingham

U.S. Nuclear Regulatory Commission ND-20-0282 Enclosure Page 1 of 3 Southern Nuclear Operating Company ND-20-0282 Enclosure Vogtle Electric Generating Plant(VEGP) Unit 3 Completion of ITAAC 2.1.02.12a.ix [Index Number 61]

U.S. Nuclear Regulatory Commission ND-20-0282 Enclosure Page 2 of 3 ITAAC Statement Design Commitment 12a) The automatic depressurization valves Identified in Table 2.1.2-1 perform an active safety-related function to change position as indicated in the table.

Inspections. Tests. Analvses:

ix) See item S.d.iv in this table.

Acceptance Criteria:

ix) See item S.d.iv in this table.

ITAAC Determination Basis This Inspection, Test, Analyses and Acceptance Criteria (ITAAC) Design Commitment is shown to be met by reference to ITAAC 2.1.02.08d.iv in Vogtle Unit 3 Combined License(COL)

Appendix C, Table 2.1.2-4. The referenced Item 8d.iv of Table 2.1.2-4 determines the effective flow area through each stage 1 Automatic Depressurization System (ADS)valve is >4.6 in^ and each stage 2 and 3 ADS valve is >16 in^.

The ITAAC closure notification (ICN) letter (Reference 1)summarizes the methodology for conducting the Inspections, Tests, Analyses (ITA), and the results that demonstrate that the acceptance criteria were met. This ICN has been submitted to the NRC and the supporting ITAAC closure activities are complete.

The records (Tests, Reports, Completed Procedures, Completed Analyses, etc.) that form the ITAAC determination basis are referenced in the ICN for Item 8d.iv of Table 2.1.2-4.

ITAAC Finding Review in accordance with plant procedures for ITAAC completion. Southern Nuclear Operating Company(SNC) performed a review of all ITAAC findings pertaining to the subject ITAAC and associated corrective actions. This review found that there are no relevant ITAAC findings associated with this ITAAC. The ITAAC completion review document number is included in the Vogtle Unit 3 ITAAC Completion Package for ITAAC 2.1.02.12a.ix (Reference 2)and is available for NRC inspection.

U.S. Nuclear Regulatory Commission ND-20-0282 Enclosure Page 3 of 3 ITAAC Completion Statement Based on the above Information, SMC hereby notifies the NRG that ITAAC 2.1.02.12a.ix was performed for VEGP Unit 3 and that the prescribed acceptance criteria are met.

Systems, structures, and components verified as part of this ITAAC are being maintained in their as-designed, ITAAC compliant condition in accordance with approved plant programs and procedures.

References(available for NRG inspection)

1. ND-20-0280, "Southern Nuclear Operating Company Vogtle Electric Generating Plant Unit 3 ITAAC Closure Notification on Completion of ITAAC 2.1.02.08d.iv [Index Number 35]"

2. 2.1.02.12a.ix-U3-CP-Rev0, ITAAC Completion Package