ND-17-1411, Revised Request for License Amendment and Exemption Resolution of Auxiliary Building Wall Thickness and Description Inconsistencies (LAR-16-033R1)

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Revised Request for License Amendment and Exemption Resolution of Auxiliary Building Wall Thickness and Description Inconsistencies (LAR-16-033R1)
ML17237C049
Person / Time
Site: Vogtle  Southern Nuclear icon.png
Issue date: 08/25/2017
From: Aughtman A
Southern Nuclear Operating Co
To:
Document Control Desk, Office of New Reactors
References
LAR-16-033R1, ND-17-1411
Download: ML17237C049 (38)


Text

Southern Nuclear Operating Company, Inc.

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U.S. Nuclear Regulatory Commission ND-17-1411 Page 2 of 5 The proposed consistency changes revise descriptions of the auxiliary building design to align with descriptions elsewhere in COL Appendix C (and corresponding plant-specific DCD Tier 1) and the UFSAR, specifically the design thicknesses of the auxiliary building column line 1 wall and column line I wall, and the location description for the auxiliary building labyrinth wall. provides the description, technical evaluation, regulatory evaluation (including the Significant Hazards Consideration Determination), and environmental considerations for the proposed changes in the License Amendment Request (LAR). provides the background and supporting basis for the requested exemption. provides the proposed changes to the VEGP 3&41icensing basis documents. The licensing basis markups provided in Enclosure 3 remain unchanged from Enclosure 3 of the original LAR (LAR 16-033) and are provided in this submittal for completeness.

This letter contains no regulatory commitments. This letter has been reviewed and confirmed to not contain security-related information.

SNC requests staff approval of this license amendment by November 20, 2017, to support closure of VEGP Unit 3 Inspections, Tests, Analyses and Acceptance Criteria (ITAAC). Approval by this date will allow sufficient time to implement the licensing basis changes prior to the associated ITAAC activity. SNC expects to implement this proposed amendment (through incorporation into the licensing basis documents; e.g., the UFSAR) within 30 days of approval of the requested changes.

In accordance with 10 CFR 50.91, SNC is notifying the State of Georgia of this LAR by transmitting a copy of this letter and enclosures to the designated State Official.

Should you have any questions, please contact Ms. Paige Ridgway at (205) 992-7516.

I declare under penalty of perjury that the foregoing is true and correct. Executed on the 25th of August 2017.

Respectfully submitted, Amy G. Aughtman Director, Nuclear Development Licensing Southern Nuclear Operating Company

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Southern Nuclear Operating Company ND-17-1411 Vogtle Electric Generating Plant (VEGP) Units 3 and 4 Revised Request for License Amendment:

Resolution of Auxiliary Building Wall Thickness and Description Inconsistencies (LAR-16-033R1)



















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4.3.1 Does the proposed amendment involve a significant increase in the probability or consequences of an accident previously evaluated?

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6. REFERENCES 1RQH





Southern Nuclear Operating Company ND-17-1411 Vogtle Electric Generating Plant (VEGP) Units 3 and 4 Revised Exemption Request:

Resolution of Auxiliary Building Wall Thickness and Description Inconsistencies (LAR-16-033R1)





















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9.0 REFERENCES

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Southern Nuclear Operating Company ND-17-1411 Vogtle Electric Generating Plant (VEGP) Units 3 and 4 Proposed Changes to the Licensing Basis Documents (LAR-16-033R1)













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Tier 1 (and COL Appendix C) Table 3.3-1, Definition of Wall Thicknesses for Nuclear Island Buildings, Turbine Building, and Annex Building Table 3.3 Revise the information in the locations shown below.





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