ONS-2016-007, Supplemental Information Related to the Expedited Seismic Evaluation Process (ESEP) Report in Response to the NRC Audit Described in Letter Dated September 2, 2015

Supplemental Information Related to the Expedited Seismic Evaluation Process (ESEP) Report in Response to the NRC Audit Described in Letter Dated September 2, 2015

ML16034A324
Person / Time
Site:	Oconee
Issue date:	01/27/2016
From:	Batson S Duke Energy Carolinas
To:	Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML16034A328	List: ML16034A325 ONS-2016-007, Supplemental Information Related to the Expedited Seismic Evaluation Process (ESEP) Report in Response to the NRC Audit Described in Letter Dated September 2, 2015
References
ONS-2016-007, TAC MF3689, TAC MF3690, TAC MF3736, TAC MF3737, TAC MF3738, TAC MF3965, TAC MF3966
Download: ML16034A324 (3)

Text

Scott L. Batson DU KEVice Oconee Nuclear Station President ENERGY Duke Energy ON'OlVP j 7800 Rochester Hwy Seneca, SC 29672 o: 864.873.3274

f. 864.873. 4208 ONS-2016-007 Scott.eatson~duke-energy.com January 27, 2016 10 CFR 50.54(f)

ATTN: Document Control Desk U.S. Nuclear Regulatory Commission (NRC)

Washington, DC 20555 '

Duke Energy Carolinas, LLC (Duke Energy)

Oconee Nuclear Station, Units 1, 2 and 3 Docket Numbers 50-269, 50-270, 50-287 Renewed License Numbers DPR-38, DPR-47, and DPR-55

Subject:

Supplemental Information Related to the Oconee Expedited Seismic Evaluation Process (ESEP) Report in Response to the NRC Audit Described in Letter dated September 2, 2015 (Accession No. ML15226A185)

References:

1. Duke Energy letter: "Oconee Nuclear Station, Submittal of the Expedited Seismic Evaluation Process Report (CEUS Sites)" dated December 18; 2014 (Accession Number ML14364A028).

2. NRC Letter, Nuclear Regulatory Commission Plan For The Audit Of Duke Energy Carolinas,LLC and Duke Energy Progress, INC. Interim Evaluations Associated With Reevaluated Seismic Hazard Implementing Near-Term Task Force Recommendation 2.1 - Seismic For: Catawba Nuclear Station, Units 1 and 2 (TAC Nos. MF3965 and MF3966); Mcguire Nuclear Station, Units I and 2 (TAC Nos. MF3689 and MF3690); and Oconee Nuclear Station, Units 1, 2 and 3 (TAC Nos. MF3 736, MF3 73 7, and MF3 738),

dated September 2, 2015, (Accession No. MLI15226A1 85).

3. NRC Letter, Report For The Audit Of Duke Energy Carolinas, LLC's Interim Evaluations Associated With Reevaluated Seismic Hazard Implementing Near-Term Task Force Recommendation 2.1 - Seismic For: Catawba Nuclear Station, Units 1 and 2 (TAC Nos.

MF3965 AND MF3966); Mcguire Nuclear Station, Units I and 2 (TAC Nos. MF3689 and MF3690); and Oconee Nuclear Station, Units 1, 2 and 3 (TAC Nos. MF3 736, MF3737, and MF3 738), dated January 5, 2016, (Accession No. ML15344A183).

Ladies and Gentlemen, On September 2, 2015 The NRC informed Duke Energy of an audit to be performed related to its submittal of reevaluated seismic hazards (Reference 1). During the audit the NRC reviewed supplemental information which clarified a particular aspect of Oconee's ESEP methodology.

The NRC's audit report (Reference 2) requested that Oconee submit the clarification on the docket. That supplemental information is provided as an attachment to this letter.

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• ONS-2016-007 January 27, 2016 Page 2 This letter contains no new or revised Regulatory Commitments.

Should you have any questions regarding this submittal, please contact David Haile with Oconee Regulatory Affairs, at (864) 873-4742.

I declare under penalty of perjury that the foregoing is true and correct. Executed on January 27, 2016.

Sincerely, Scott L. Batson Vice President Oconee Nuclear Station

Attachment:

Summary Of Methodology Used For The Seismic Capacity Evaluation Of GMRS Mitigation Components For Oconee Nuclear Station

ONS-201 6-007 January 27, 2016 Page 3 cc:

Ms. Catherine Haney, Regional Administrator U.S. Nuclear Regulatory Commission - Region II Marquis One Tower 245 Peachtree Center Ave., NE Suite 1200 Atlanta, Georgia 30303-1257 Mr. William Dean, Director, Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Rockville, MD 20852-2738 Mr. James R. Hall, Project Manager (ONS)

(by electronic mail only)

U.S. Nuclear Regulatory Commission 11555 Rockville Pike, M/S O-8G9A Rockville, MD 20852-2746 Mr. Jeffery Whited (by electronic mail only)

U.S. Nuclear Regulatory Commission 11555 Rockville Pike Mail Stop O-8B1A Rockville, MD 20852 Mr. Eddy Crowe NRC Senior Resident Inspector Oconee Nuclear Station