ND-18-1272, ITAAC Closure Notification on Completion of ITAAC 2.2.03.08c.iv.03 (Index Number 185)

ITAAC Closure Notification on Completion of ITAAC 2.2.03.08c.iv.03 (Index Number 185)

ML18292A724
Person / Time
Site:	Vogtle
Issue date:	10/16/2018
From:	Yox M Southern Nuclear Operating Co
To:	Document Control Desk, Office of New Reactors
References
ND-18-1272
Download: ML18292A724 (6)

Text

Michael J. Yox 7825 River Road sk Southern Nuclear Regulatory Affairs Director Waynesboro, GA 30830 706-848-6459 tei Vogtle 3 & 4 410-474-8587 ceii myox@southernco.com OCT 1 6 2018 Docket Nos.;52-025 ND-18-1272 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 2.2.03.08c.iv.03 findex Number 1851 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 2.2.03.08c.iv.03 [Index Number 185] for verifying that the maximum elevation ofthe top inside surface of the Core Makeup Tank (CMT) discharge lines to Direct Vessel Injection (DVI) connection is less than the elevation of the CMT bottom inside surface. 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 Regulatory Affairs Direptor Vogtle 3 &4

Enclosure:

Vogtle Electric Generating Plant (VEGP) Unit 3 Completion of ITAAC 2.2.03.08c.iv.03 [Index Number 185]

MJY/GDL/amw

U.S. Nuclear Regulatory Commission ND-18-1272 Page 2 of 3 To:

Southern Nuclear Operating Company/ Georgia Power Company Mr. D. A. Bost (w/o enclosures)

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

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

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

Mr. J. B. Klecha Mr. G. Chick Mr. M. J. Yox Mr. A. 8. Parton Ms. A. L. Pugh Mr. T. G. Petrak Mr. W. A. Sparkman Mr. C. T. Defnall Mr. C. E. Morrow Mr. J. L. Hughes Ms. K. M. Stacy Ms. A. C. Chamberlain Mr. J. C. Haswell Document Services RTYPE; VND.LI.L06 File AR.01.02.06 cc:

Nuclear Reouiatorv Commission Mr. W. Jones (w/o enclosures)

Mr. F. D. Brown Ms. J. M. Heisserer Ms. A. E. Rivera-Varona Mr. C. P. Patel Mr. G. J. Khouri Ms. S. E. Temple Mr. N. D. Karlovich Mr. A. J. Lerch Mr. C. J. Even Mr. B. J. Kemker Ms. N. C. Coovert Qqiethoroe Power Corporation Mr. R. B. Brinkman Mr. E. Rasmussen Municipal Eiectric Authoritv of Georgia Mr. J. E. Fuller Mr. S. M. Jackson Daiton Utilities Mr. T. Bundros

U.S. Nuclear Regulatory Commission ND-18-1272 Page 3 of 3 Westinahouse Electric Company. LLC Dr. L. Oriani (w/o enclosures)

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

Mr. M. M. Corletti Ms. L. G. Iller Ms. J. Monahan 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 Sen/ice Commission Ms. 8. W. Kernizan, Georgia Public Service Commission Mr. K. C. Greene, Troutman Sanders Mr. 8. Blanton, Balch BIngham

U.S. Nuclear Regulatory Commission ND-18-1272 Enclosure Page 1 of 3 Southern Nuclear Operating Company ND-18-1272 Enclosure Vogtle Electric Generating Plant (VEGP) Unit 3 Completion of ITAAC 2.2.03.08c.iv.03 [Index No. 185]

U.S. Nuclear Regulatory Commission ND-18-1272 Enclosure Page 2 of 3 ITAAC Statement Desion Commitment:

8.c) The PXS provides RCS makeup, boration, and safety injection during design basis events.

Insoections.Tests. Analvsis:

iv) Inspections of the elevation of the following pipe lines will be conducted:

3. CMT discharge lines to DVI connection Acceptance Criteria iv) The maximum elevation ofthe top inside surface of these lines is less than the elevation of:

3. CMT bottom inside surface ITAAC Determination Basis Multiple ITAAC are performed to demonstrate thatthe Passive Core Cooling System (PXS) provides Reactor Coolant System (RCS) makeup, boration, and safety injection during design basis events. This ITAAC requires that inspections be conducted to verify that the maximum elevation of the top inside surface of the Core Makeup Tank (CMT) discharge linesto Direct Vessel Injection (DVI) connection is less than the elevation of CMT bottom inside surface.

The inspection ofthe CMT discharge lines to DVI connection top inside surface and the bottom inside tank surface of both CMTs (SV3-PXS-MT-02A and -02B) elevations was performed using survey equipment in accordance with sitesurvey and measurement procedure (Reference 1).

The conservative wall thickness, derived from installed pipe data, was subtracted from the top-of-pipe survey data to obtain the highest elevation ofthe inside surface ofthese lines.

Additionally, calculations, based upon as-built manufacturer's data, combined with field measurements, were used to determine the elevation of the bottom inside surface of each CMT.

The maximum derived elevation of the top inside surface of the CMT discharge lines to DVI connection was compared to the derived elevation of the bottom inside surfaces of each associated CMT using a common reference point.

The inspection results documented in Reference 2, verify that the maximum elevation of the CMT Adischarge linesto DVI connection top inside surface is 105.39 feet, the maximum elevation of the CMT B discharge linesto DVI connection top inside surface is 105.44feet, and the elevation of the CMT bottom inside surface is 107.09 feet and 107.13 feet for CMT A and B, respectively, which meets the ITAAC acceptance criteria.

U.S. Nuclear Regulatory Commission ND-18-1272 Enclosure Page 3 of 3 ITAAC Finding Review In accordance with plant procedures for ITAAC completion, Southern Nuclear Operating Company (SNC) performed a review of all findings pertaining to the subject ITAAC and associated corrective actions. This review found there are no relevant ITAACfindings associated with this ITAAC. The ITAAC completion review is documented in the ITAAC Completion Package for ITAAC 2.2.03.08c.iv.03 (Reference 3) and is available for NRC review.

ITAAC Completlon Statement Based on the above information, SNC hereby notifies the NRC that ITAAC 2.2.03.08c.iv.03 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 favallable for NRC inspection)

1. 4MP-T81C-N3201 Rev 1, "Construction Survey"

2. SV3-PXS-FSK-800185 Rev 0, "As-Built CMT Discharge Pipe Elevation Comparison to CMT A & B Bottom Inside Surface Elevation"

3. 2.2.03.08c.iv.03-U3-CP-Rev 0, "Completion Package for the Unit 3 ITAAC 2.2.03.08c.iv.03

[Index Number 185]"