ND-23-0484, ITAAC Closure Notification on Completion of ITAAC Item 3.3.00.07c.ii.a (Index Number 797)

ITAAC Closure Notification on Completion of ITAAC Item 3.3.00.07c.ii.a (Index Number 797)

ML23175A006
Person / Time
Site:	Vogtle
Issue date:	06/24/2023
From:	Coleman J Southern Nuclear Operating Co
To:	Office of Nuclear Reactor Regulation, Document Control Desk
References
ND-23-0484
Download: ML23175A006 (1)

Text

Jamie M. Coleman 7825 River Road Regulatory Affairs Director Waynesboro, GA 30830 Vogtle 3 & 4 706-848-6926 tel June 24, 2023 Docket No.: 52-026 ND-23-0484 10 CFR 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 4 ITAAC Closure Notification on Completion of ITAAC Item 3.3.00.07c.ii.a [Index Number 797]

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 4 Inspections, Tests, Analyses, and Acceptance Criteria (ITAAC) Item 3.3.00.07c.ii.a [Index Number 797]. This ITAAC confirms that fire barriers exist between fire areas identified in Table 3.3-3 inside the non-radiologically controlled area of the auxiliary building. The closure process for this ITAAC is based on the guidance described in Nuclear Energy Institute (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 Kelli Roberts at 706-848-6991.

Respectfully submitted, Jamie M. Coleman Regulatory Affairs Director Vogtle 3 & 4

Enclosure:

Vogtle Electric Generating Plant (VEGP) Unit 4 Completion of ITAAC Item 3.3.00.07c.ii.a [Index Number 797 JMC/CSS/sfr

U.S. Nuclear Regulatory Commission ND-23-0484 Page 2 of 2 cc: Regional Administrator, Region ll Director, Office of Nuclear Reactor Regulation (NRR)

Director, Vogtle Project Office NRR Senior Resident Inspector - Vogtle 3 & 4

U.S. Nuclear Regulatory Commission ND-23-0484 Enclosure Page 1 of 4 Southern Nuclear Operating Company ND-23-0484 Enclosure Vogtle Electric Generating Plant (VEGP) Unit 4 Completion of ITAAC Item 3.3.00.07c.ii.a [Index Number 797]

U.S. Nuclear Regulatory Commission ND-23-0484 Enclosure Page 2 of 4 ITAAC Statement Design Commitment 7.c) Separation is maintained between Class 1E divisions in accordance with the fire areas as identified in Table 3.3-3.

Inspections/Tests/Analyses ii) Inspections of the as-built fire barriers between the fire areas identified in Table 3.3-3 will be conducted.

Acceptance Criteria ii.a) Results of the inspection will confirm that fire barriers exist between fire areas identified in Table 3.3-3 inside the non-radiologically controlled area of the auxiliary building.

ITAAC Determination Basis Multiple ITAAC are performed to demonstrate that separation is maintained between Class 1E divisions in accordance with the fire areas as identified in Table 3.3-3. The subject ITAAC requires inspections to be conducted of the as-built fire barriers between the fire areas identified in Table 3.3-3. The Class 1E divisions in Nuclear Island Fire Areas are described in Combined Operating License (COL) Appendix C Table 3.3-3 (Attachment A). The fire barriers between fire areas identified in Table 3.3-3 inside the non-radiologically controlled area of the auxiliary building were designed in accordance with APP-GW-E1-001 (Reference 1). Installation specifications provided to the constructor identified the fire barriers, consistent with the ITAAC commitment.

Fire barriers between the fire areas identified in the table were installed in accordance with design drawings, installation specifications issued for construction, and work package requirements. Completed fire barriers were inspected to ensure the fire barrier criteria in the installation specifications were satisfied. Inspections were performed in accordance with the Construction Quality Verification Program 26139-000-4MP-T81C-N7101 (Reference 2). The completed inspection records document that satisfactory fire barriers exist between fire areas identified in the table inside the non-radiologically controlled area of the auxiliary building.

The Fire Barrier Inspection Report (Reference 3) identifies the inspection reports associated with the fire barrier inspections and confirmed that fire barriers exist between fire areas identified in Table 3.3-3 inside the non-radiologically controlled area of the auxiliary building.

The Fire Barrier Inspection Report is available for NRC inspection as part of the Unit 4 ITAAC Completion Package (Reference 4).

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 ITAAC findings

U.S. Nuclear Regulatory Commission ND-23-0484 Enclosure Page 3 of 4 associated with this ITAAC. The ITAAC completion review is documented in the ITAAC Completion Package for ITAAC 3.3.00.07c.ii.a (Reference 4) and is available for NRC review.

ITAAC Completion Statement Based on the above information, SNC hereby notifies the NRC that ITAAC 3.3.00.07c.ii.a was performed for VEGP Unit 4 and that the prescribed acceptance criteria were 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 NRC inspection)

1. APP-GW-E1-001 (SV4-GW-E1-001), Rev. 4 Electrical Systems Design Criteria

2. 26139-000-4MP-T81C-N7101 Rev. 11, Construction Quality Verification Program

3. SV4-1200-ITR-800797 R0, Fire Barrier Inspection Report, Unit 4: ITAAC 3.3.00.07c.ii.a (Aux Bldg Non-Rad Area Fire Barriers) NRC Index Number 797

4. 3.3.00.07c.ii.a-U4-CP-Rev0, ITAAC Completion Package

5. NEI 08-01, Industry Guideline for the ITAAC Closure Process Under 10 CFR Part 52

U.S. Nuclear Regulatory Commission ND-23-0484 Enclosure Page 4 of 4 Attachment A Class 1E Divisions in Nuclear Island Fire Areas*

Fire Area Number Auxiliary Building Non-Radiologically Controlled 1200 AF 03 1201 AF 02 1201 AF 03 1201 AF 04 1201 AF 05 1201 AF 06 1202 AF 03 1202 AF 04 1220 AF 01 1230 AF 01 1230 AF 02 1240 AF 01 1242 AF 02 1250 AF 01 Notes:

• Excerpt from COL Appendix C Table 3.3-3