GNRO-2013/00094, Supplement to License Amendment Request for Implementing a 24-Month Fuel Cycle

Supplement to License Amendment Request for Implementing a 24-Month Fuel Cycle

ML13340A773
Person / Time
Site:	Grand Gulf
Issue date:	12/05/2013
From:	Kevin Mulligan Entergy Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
GNRO-2013/00094
Download: ML13340A773 (2)

Text

Entergy Operations, Inc.

P.O. Box 756 Port Gibson. Mississippi 39150 Kevin J. Mulligan Site Vice President Grand Gulf Nuclear Station Tel: 601-437-7500 GNRO-2013/00094 December 5,2013 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555-0001

SUBJECT:

Supplement to License Amendment Request for Implementing a 24-Month Fuel Cycle Grand Gulf Nuclear Station, Unit 1 Docket No. 50-416 License No. NPF-29

REFERENCE:

1. License Amendment Request for Implementing a 24-Month Fuel Cycle, dated October 2,2012 (ADAMS Accession No. ML122770130)

Dear Sir or Madam:

On December 3,2013, a teleconference was held between Entergy Operations, Inc. (Grand Gulf Nuclear Station) and staff members from the Office of Nuclear Reactor Regulation's Divisions of Operating Reactor Licensing and Engineering. During the teleconference, staff from the Electrical Engineering Branch stated that page 11 of Attachment 1 of Reference 1 does not clearly state that extending surveillances required under Technical Specifications 3.8.1, 3.8.2,3.8.4, and 3.8.5 (AC and DC Electrical Sources) satisfies the following Generic Letter 91-04 requirement:

"Licensees should confirm that the performance of surveillances at the bounding surveillance interval limit provided to accommodate a 24-month fuel cycle would not invalidate any assumption in the plant licensing basis. "

As stated on page 11 of Attachment 1 of Reference 1, implementation of a 24-month fuel cycle may require changes to licensing basis information, which would be performed in accordance with 10CFR50.59. To clarify, any such change would not invalidate, or otherwise alter, an assumption that is part of the existing plant licensing basis.

Grand Gulf Nuclear Station hereby affirms that no assumptions in the existing plant licensing basis would be invalidated by non-calibration changes as a result of implementing a 24-month fuel cycle.

This letter contains no new commitments. If you have any questions, please contact Mr.

Thomas Thornton, Design Engineering Manager, at (601) 437-6176.

Page 2 of2 GNRO-2013/00094 I declare under penalty of perjury that the foregoing is true and correct; executed on the 5th day of December, 2013.

Sincerely, C.h,.) ~I,'Ual\

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~'4~ "iCe P~Mt KJM/crr cc: U.S. Nuclear Regulatory Commission ATIN: Mr. Stephen A. Reynolds (w/2)

Regional Administrator, Region IV 1600 East Lamar Boulevard Arlington, TX 76011-4511 U.S. Nuclear Regulatory Commission ATIN: Mr. Alan Wang, NRRlDORL (w/2)

Mail Stop OWFN/8 B1 Washington, DC 20555-0001 NRC Senior Resident Inspector Grand Gulf Nuclear Station Port Gibson, MS 39150