0CAN092302, Supplement to Request for Alternative Frequency to Containment Unbonded Post-Tensioning System Inservice Inspection (ANO-CISI-002)

Supplement to Request for Alternative Frequency to Containment Unbonded Post-Tensioning System Inservice Inspection (ANO-CISI-002)

ML23257A184
Person / Time
Site:	Arkansas Nuclear
Issue date:	09/14/2023
From:	Keele R Entergy Operations
To:	Office of Nuclear Reactor Regulation, Document Control Desk
References
0CAN092302
Download: ML23257A184 (1)

Text

Riley D. Keele, Jr.

Manager, Regulatory Assurance Arkansas Nuclear One Tel 479-858-7826

0CAN092302 10 CFR 50.55a

September 14, 2023

U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

SUBJECT:

Supplement to Request for Alte rnative Frequency to Containment Unbonded Post-Tensioning System lnservice Inspection (ANO-CISI-002)

Arkansas Nuclear One - Units 1 and 2 NRC Docket Nos. 50-313, 50-368, and 72-13 Renewed Facility Operating License Nos. DPR-51 and NPF-6

REFERENCE:

Entergy Operations, Inc. (Entergy) letter to the U. S. Nuclear Regulatory Commission (NRC), "Request for Al ternative Frequency to Containment Unbonded Post-Tensioning System lnservi ce Inspection (ANO-CISI-002),"

(0CAN112201), ML22316A001, dated November 10, 2022.

Via the Referenced submittal, Entergy submitted a request for the NRC to approve a request for an alternative from the requirements of Section X I, Subsection IWL of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel (BPV) Code. Per the ASME BPV Code, the periodic visual examination and physical testing of containment building concrete are required in accordance with Table IWL-2500-1 L-A, as well as physical testing of unbonded post-tensioning systems in accordance with Table IWL-2500-1 L-B.

Based on the results of the NRCs review of Entergys request of the Referenced submittal, the NRC requested a clarification call to ensure they had the correct understanding of request. This call was held on September 7, 2023. After the call, Entergy decided to supplement the request.

Specifically, the Table IWL-2500-1, Examination Category L-B, Item No. L2.20 examinations.

Based on the clarification call, Entergy will perform the L2.20 examinations in conjunction with the L2.10 examinations as outlined in the Reference submittal.

This letter contains no new regulatory commitments.

Entergy Operations, Inc. 1448 S.R 333 Russellville, AR 72802 0CAN092302 Page 2 of 2

If you have any questions concerning this submittal, please contact Riley D. Keele, Jr.,

Manager, Regulatory Assurance at 479-858-7826.

Sincerely, R~H-

cc: NRC Region IV Regional Administrator NRC Senior Resident Inspector - Arkansas Nuclear One NRC Project Manager - Arkansas Nuclear One