NL-25-0174, Proposed Inservice Inspection Alternative FNP-ISI-ALT-05-13 for Reactor Vessel Bottom Head Inspection - Response to Request for Confirmation of Information

From kanterella
(Redirected from NL-25-0174)
Jump to navigation Jump to search

Proposed Inservice Inspection Alternative FNP-ISI-ALT-05-13 for Reactor Vessel Bottom Head Inspection - Response to Request for Confirmation of Information
ML25119A334
Person / Time
Site: Farley Southern Nuclear icon.png
Issue date: 04/29/2025
From: Chamberlain A
Southern Nuclear Operating Co
To:
Office of Nuclear Reactor Regulation, Document Control Desk
References
NL-25-0174
Download: ML25119A334 (1)


Text

Regulatory Affairs 3535 Colonnade Parkway Birmingham, AL 35243 205 992 5000 April 29, 2025 Docket No.:

50-364 NL-25-0174 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D. C. 20555-0001 Joseph M. Farley Nuclear Plant - Unit 2 Proposed Inservice Inspection Alternative FNP-ISI-ALT-05-13 for Reactor Vessel Bottom Head Inspection Response to Request for Confirmation of Information Ladies and Gentlemen:

By letter dated April 28, 2025 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML25118A329), Southern Nuclear Operating Company (SNC) submitted a proposed alternative, Alternative FNP-ISI-ALT-05-13, to the Inservice Inspection (ISI) requirements of the American Society of Mechanical Engineers Boiler and Pressure Vessel Code (ASME Code)Section XI.

By email dated April 29, 2025, the U.S. Nuclear Regulatory Commission (NRC) staff requested a confirmation of information (RCI) as discussed in the Enclosure to this letter.

The RCI response is documented in the Enclosure with an expedited response period requested. The expedited response period is needed to meet SNCs requested licensing action completion date of April 30, 2025.

This letter contains no NRC commitments. If you have any questions, please contact Ryan Joyce at 205.992.6468.

Respectfully submitted, Amy Chamberlain Licensing Manager Southern Nuclear Operating Company ACC/was/cgb

Enclosure:

Response to Request for Confirmation of Information Amy Chamberlain

U. S. Nuclear Regulatory Commission NL-25-0174 Page 2 cc:

Regional Administrator, Region ll NRR Project Manager - Farley 1 & 2 Senior Resident Inspector - Farley 1 & 2 RType: CFA04.054

Joseph M. Farley Nuclear Plant - Unit 2 Proposed Inservice Inspection Alternative FNP-ISI-ALT-05-13 for Reactor Vessel Bottom Head Inspection Response to Request for Confirmation of Information Enclosure Response to Request for Confirmation of Information

Enclosure Response to Request for Confirmation of Information E-1 In the review of Southern Nuclear Operating Companys (the licensee, SNC) April 28, 2025, submittal, NRC staff requests the following confirmation of information. In the licensees proposed alternative, they state the following:

Additionally, SNC proposes to perform visual examinations of the bottom vessel (ASME Item 15.80 and 15.100) prior to reactor cavity flood up during 2R31 and will continue each refueling outage until cavity seal leakage has been completely corrected.

Confirm that this statement is the same as the following sentence clarified in the April 29, 2025 Clarification Call held via Microsoft Teams:

Additionally, SNC proposes to perform bare metal visual examinations in accordance with N-722-1 of the bottom vessel (ASME Code N-722-1 Item numbers 15.80 and 15.100) prior to reactor cavity flood up during 2R31 and will continue each refueling outage until cavity seal leakage has been completely corrected.

Response

SNC confirms that the statements are the same.