ML23121A010

NRR E-mail Capture - Acceptance Review - Vogtle, Units 1 and 2 - Proposed License Amendment Request (LAR) to Adopt TSTF-339

ML23121A010
Person / Time
Site:	Vogtle
Issue date:	04/28/2023
From:	John Lamb Plant Licensing Branch II
To:	Pournaras D Southern Nuclear Operating Co
References
Download: ML23121A010 (3)

Text

From: John Lamb Sent: Friday, April 28, 2023 4:41 PM To: Pournaras, DeLisa S.

Cc: Chamberlain, Amy Christine; Lowery, Ken G.

Subject:

Acceptance Review - Vogtle, Units 1 and 2 - Proposed LAR to Adopt TSTF-339

DeLisa, By letter dated April 11, 2023 (Agencywide Documents and Access Management System Accession No. ML23101A159), Southern Nuclear Operating Company (SNC, the licensee) submitted a license amendment request (LAR) for Vogtle Electric Generating Plant (Vogtle),

Units 1 and 2.

The proposed change would revise Technical Specifications (TS) 2.1.1, Reactor Coolant Safety Limits, (TS) 3.3.1, Reactor Trip System (RTS) Instrumentation, TS 3.4.1, Reactor Coolant System (RCS) Pressure, Temperature, and Flow Departure from Nucleate Boiling (DNB)

Limits, and TS 5.6.5, Core Operating Limits Report (COLR), to adopt most of the TS and COLR changes described in Appendix A and Appendix B of Westinghouse topical report WCAP-14483-A (ML020430092), to relocate several cycle-specific parameter limits from the TS to the COLR. The proposed LAR would adopt TSTF-339, Relocate Technical Specification parameters to the COLR consistent with WCAP-14483 (ML003723269). The proposed LAR changes Vogtle, Units 1 and 2, TS 5.6.5 to include WCAP-8745-P-A and WCAP-11397-P-A, and to revise the TS applicability for the WCAP-9272-P-A, in the list of the NRC approved methodologies used to develop the cycle specific COLR. Also, the proposed LAR would make an administrative revision to an equation in TS 3.3.1.

The purpose of this e-mail is to provide the results of the U.S. Nuclear Regulatory Commission (NRC) staffs acceptance review of this LAR. The acceptance review was performed to determine if there is sufficient technical information in scope and depth to allow the NRC staff to complete its detailed technical review. The acceptance review is also intended to identify whether the application has any readily apparent information insufficiencies in its characterization of the regulatory requirements or the licensing basis of the plant.

Consistent with Section 50.90 of Title 10 of the Code of Federal Regulations (10 CFR), an application for an amendment to a license (including the technical specifications) must fully describe the changes requested, and following as far as applicable, the form prescribed for original applications. Section 50.34 of 10 CFR addresses the content of technical information required. This section stipulates that the submittal address the design and operating characteristics, unusual or novel design features, and principal safety considerations.

The NRC staff has reviewed your LAR and concluded that it does provide technical information in sufficient detail to enable the NRC staff to complete its detailed technical review and make an independent assessment regarding the acceptability of the proposed amendment in terms of regulatory requirements and the protection of public health and safety and the environment.

Given the lesser scope and depth of the acceptance review as compared to the detailed technical review, there may be instances in which issues that impact the NRC staffs ability to complete the detailed technical review are identified despite completion of an adequate acceptance review. If additional information is needed, you will be advised by separate correspondence.

Based on the information provided in your submittal and discussions during the pre-licensing meeting on February 13, 2023 (ML23048A073), the NRC staff has estimated that this licensing request will take approximately 350 hours0.00405 days <br />0.0972 hours <br />5.787037e-4 weeks <br />1.33175e-4 months <br /> to complete. The NRC staff expects to complete this review by April 28, 2024. If there are emergent complexities or challenges in our review that would cause changes to the initial forecasted completion date or significant changes in the forecasted hours, the reasons for the changes, along with the new estimates, will be communicated during the routine interactions with the assigned project manager.

These estimates are based on the NRC staffs initial review of the LAR and they could change, due to several factors including requests for additional information, unanticipated addition of scope to the review, and review by NRC advisory committees or hearing-related activities.

Additional delay may occur if the submittal is provided to the NRC in advance or in parallel with industry program initiatives or pilot applications.

If you have any questions, please contact me.

John G. Lamb, Senior Project Manager Plant Licensing Branch II-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation

Hearing Identifier: NRR_DRMA Email Number: 2063 Mail Envelope Properties (SA1SPR01MB000528FAFE0C58CDC6070555FA6B9)

Subject:

Acceptance Review - Vogtle, Units 1 and 2 - Proposed LAR to Adopt TSTF-339 Sent Date: 4/28/2023 4:41:17 PM Received Date: 4/28/2023 4:41:00 PM From: John Lamb Created By: John.Lamb@nrc.gov Recipients:

"Chamberlain, Amy Christine" <ACCHAMBE@southernco.com>

Tracking Status: None "Lowery, Ken G." <KGLOWERY@southernco.com>

Tracking Status: None "Pournaras, DeLisa S." <DSPOURNA@SOUTHERNCO.COM>

Tracking Status: None Post Office: SA1SPR01MB0005.namprd09.prod.outlook.com Files Size Date & Time MESSAGE 4393 4/28/2023 4:41:00 PM Options Priority: Normal Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date: