ONS-2016-001, Transmittal of Supplemental Information Regarding NRC 2008 and 2012 Requests for Information, Pursuant to 10 Cer 50.54(f) Pertaining to External Flooding - Revision 1

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Transmittal of Supplemental Information Regarding NRC 2008 and 2012 Requests for Information, Pursuant to 10 Cer 50.54(f) Pertaining to External Flooding - Revision 1
ML16015A430
Person / Time
Site: Oconee  
Issue date: 01/08/2016
From: Batson S
Duke Energy Carolinas
To:
Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML16019A122 List:
References
ONS-2016-001, TAC MD8224, TAC MD8225, TAC MD8226, TAC MF1012, TAC MF1013, TAC MF1014
Download: ML16015A430 (3)


Text

d_~DUKE

~ ENERGY ONS-2016-001 January 8, 2016 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 Scott L. Batson Vice President Oconee Nuclear Station Duke Energy ON01 VP/ 7800 Rochester Hwy Seneca, SC 29672 o: 864.873.327 4

f. 864.873. 4208 Scott.Batson@duke-energy.com 10 CFR 50.54(f)

Subject:

Supplemental Information Regarding NRC 2008 and 2012 Requests for Information Pursuant to 1 O CFR 50.54(f) Pertaining to External Flooding at Oconee Nuclear Station (ONS) - Revision 1.

References:

1. NRC Letter, Information Request Pursuant to 10 CFR 50.54(1) Related to External Flooding, Including Failure of the Jocassee Dam, at Oconee Nuclear Station, Units 1, 2, and 3, (TAC NOS. MD8224, MD8225, and MD8226), dated August 15, 2008, (Accession No. ML081640244).
2. NRC Letter, Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(1) Regarding Recommendations 2.1, 2.3, and 9.3, of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident, dated March 12, 2012, (Accession No. ML12053A340).
3. Duke Energy Letter, Supplemental Information Regarding NRG 2008 and 2012 Requests for Information Pursuant to 10 CFR 50.54(f) Pertaining to External Flooding at Oconee Nuclear Station (ONS), dated March 6, 2015.

4.. Duke Energy Letter, Revised Flood Hazard Reevaluation Report per NRC's Request for Additional Information, dated March 6, 2015.

5. NRC Letter, Oconee Nuclear Station, Units 1, 2, AND 3 - Interim Staff Response To Reevaluated Flood Hazards Submitted In Response To 10 CFR 50.54(1) Information Request-Flood-Causing Mechanism Reevaluation (TAC NOS. MF1012, MF1013, AND MF1014), dated September 24, 2015, (Accession No. ML152398261).

Ladies and Gentlemen, On March 6, 2015 Duke Energy submitted a supplement letter (Reference 3) to Duke Energy's response to the NRC's 10 CFR 50.54(f) letters dated August 15, 2008 (Reference 1) and March 12, 2012 (Reference 2) for the purpose of communicating Duke Energy's approach to address the regulatory matters associated with flooding caused by a postulated Jocassee Dam failure. This letter provides Duke Energy's updated position. contains Security Sensitive Information; withhold from public per 1 O CFR 2.390 Upon removal of Enclosure 1, this letter is uncontrolled.

ONS-2016-001 January 8, 2016 Page 2 As in the March 6, 2015 letter, the approach is discussed in more detail in the enclosure to this letter and refers to Duke Energy's submittal of a revised Flood Hazard Reevaluation Report (FHRR) for Oconee Nuclear Station (Reference 4). This updated FHRR was subsequently accepted by the NRG in the September 24, 2015, "Interim Staff Response to Reevaluated Flood Hazards Submitted in Response to 1 O CFR 50.54(f) Information Request - Flood-causing Mechanism Reevaluation" (Reference 5).

This Jetter does not create or revise any Regulatory Commitments.

Should you have any questions concerning this letter, or require additional information, please contact Art Zaremba at (980) 373-2062.

I declare under penalty of perjury that the foregoing is true and correct. Executed on January 8, 2016.

Sincerely,

~~~

Scott L. Batson Vice President Oconee Nuclear Station

Enclosure:

Supplemental information: 10 CFR 50.54(f) letters dated August 15, 2008 and March 12, 2012 (Revised). contains Security Sensitive Information; withhold from public per 1 o CFR 2.390 Upon removal of Enclosure 1s this letter is uncontrolled.

ONS-2016-001 January 8, 2016 Page 3 cc:

Len Wert, Acting Regional Administrator U.S. Nuclear Regulatory Commission - Region II Marquis One Tower 245 Peachtree Center Ave., NE Suite 1200 Atlanta, Georgia 30303-1257 William Dean, Director, Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 0-13H16 Rockville, MD 20852-2738 Anne Boland, Director, Division of Operating Reactor Licensing U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 0-8E1A Rockville, MD 20852-2738 Jack Davis, Director, Japan Lessons Learned Project Division U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 0-13H16 Rockville, MD 20852-2738 Michelle Evans, Deputy Director for Reactor Safety Programs U.S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike Mail Stop 0-13H16 Rockville, MD 20852-2738 Jeffery Whited, Project Manager (by electronic mail only)

U.S. Nuclear Regulatory Commission 11555 Rockville Pike Mail Stop 0-8B1A Rockville, MD 20852 James R. Hall, Senior Project Manager (ONS)

(by electronic mail only)

U.S. Nuclear Regulatory Commission 11555 Rockville Pike Mail Stop 0-8G9A Rockville, MD 20852 Eddy Crowe NRC Senior Resident Inspector Oconee Nuclear Station contains Security Sensitive Information; withhold from public per 10 CFR 2.390 Upon removal of Enclosure 1, this letter is uncontrolled.