ML14356A005

Summary of December 3, 2014, Category 1 Public Meeting with Duke Energy Carolinas, LLC to Discuss NTTF Recommendation 2.1, Flooding Response for Oconee Nuclear Station, Units 1, 2, and 3

ML14356A005
Person / Time
Site:	Oconee
Issue date:	12/31/2014
From:	Victor Hall Japan Lessons-Learned Division
To:	Whaley S Japan Lessons-Learned Division
Hall V, NRR/JLD, 415-2915
References
TAC MF1012, TAC MF1013, TAC MF1014
Download: ML14356A005 (4)

Text

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 December 31, 2014 LICENSEE: Duke Energy Carolinas, LLC FACILITY: Oconee Nuclear Station, Units 1, 2 and 3

SUMMARY

OF DECEMBER 3, 2014, CATEGORY 1 PUBLIC MEETING WITH DUKE ENERGY CAROLINAS, LLC TO DISCUSS NEAR-TERM TASK FORCE RECOMMENDATION 2.1, FLOODING RESPONSE FOR OCONEE NUCLEAR STATION, UNITS 1, 2, AND 3 (TAC NOS. MF1012, MF1013, AND MF1014)

On December 3, 2014 (Agencywide Documents Access and Management System (ADAMS)

Accession No. ML14328A057), a Category 1 public meeting was held between the U.S. Nuclear Regulatory Commission (NRC) staff and Duke Energy Carolinas, LLC (Duke Energy) at NRC Headquarters, in Rockville, Maryland. The purpose of the meeting was for Duke Energy to provide a status of its response to the staffs request for additional information (ADAMS Accession No. ML14258B222) related to the Oconee Nuclear Station, Units 1, 2, and 3 (Oconee) flood hazard reevaluation report.

Victor Hall. Senior Project Manager with the Hazards Management Branch (JHMB) in the Office of Nuclear Reactor Regulation (NRR) opened the meeting and led the discussions on the NRC's behalf. Mr. Dave Baxter introduced the representatives for Duke Energy. Mr. Dean Hubbard, with Duke Energy, and Mr. Ben Zoeller, with AMEC Engineering, Inc., gave a presentation entitled "Jocassee Dam Breach Analysis" (ADAMS Accession No. ML14356A006).

Duke Energy's presentation and discussion focused on the revised analysis that Duke Energy has performed on the Jocassee Dam. Duke Energy presented updates on some of the technical details of its ongoing analysis. These updates included a discussion of breach analysis assumptions. Duke Energy noted that it plans for its revised analysis to conform to the NRC's guidance in Japan Lessons-Learned Directorate (JLD) Interim Staff Guidance (ISG) JLD-ISG-2013-01 "Guidance for Assessment of Flooding Hazards Due to Dam Failure," dated, July 29, 2013 (ADAMS Accession No. ML13151A153.). Duke Energy presented key assumption made for the breach analysis, and discussed some of its initial breach results. In addition, Duke Energy discussed its use of the TUFLOW FV, 2-dimensional modeling software, in its revised analysis. Finally, Duke noted that it expects to submit its revised analysis to the NRC by February 13, 2015.

The NRC staff asked technical questions regarding Duke Energy's approach and use of the TUFLOW FV software. The staff noted that review of any files that Duke Energy could make available on the Electronic Reading Room, in advance of the planned February 13, 2015, re-submittal, would be helpful to expedite its review. Duke Energy agreed to make these early updates available.

Members of the public were in attendance via teleconference. At designated points during the meeting, members of the public were invited to provide any comments on the presentations. A member of the public had a clarifying question. The NRC staff responded to all questions.

A list of meeting attendees is included as an enclosure to this summary. Please direct any inquiries to me at (301) 415-2915 orVictor.Hall@nrc.gov.

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Victor Hall, Senior Project Manager Hazards Management Branch Japan Lessons-Learned Division Office of Nuclear Reactor Regulation Docket Nos. 50-269, 50-270 and 50-287

Enclosure:

List of Attendees cc w/encl: Distribution via Listserv

LIST OF ATTENDEES U.S. Nuclear Regulatory Commission Public Meeting with Duke Energy to discuss Near-Term Task Force Recommendation 2.1 Flooding response for Oconee Nuclear Station, Units 1, 2, and 3 December 3, 2014 2:00p.m.- 3:30p.m.

NRC REPRESENTATIVES Name Office Stewart Bailey NRR Ken Erwin NRO Louise Lund NRR Randy Hall NRR Victor Hall NRR Ken Karwoski NRR Rob Kuntz NRR Robert Pascarelli NRR Nebiyu Tiruneh NRO Sheena Whaley NRR Jeffrey Whited NRR NRC CONTRACTOR REPRESENTATIVES (Via Teleconference)

Name Organization David Watson ORNL Kevin Stewart ORNL DUKE ENERGY REPRESENTATIVES Name Organization Dave Baxter Duke Energy Tim Brown Duke Energy Ed Bunchfield Duke Energy J. Christopher Ey HDR Engineering Inc.

Dean Hubbard Duke Energy Adam Johnson Duke Energy Brian Stevens AMEC Engineering Inc.

Ben Zoeller AMEC Engineering Inc.

OTHER STAKEHOLDERS Name Ruth Thomas (Via Teleconference)

Enclosure

The NRC staff asked technical questions regarding Duke Energy's approach and use of the TUFLOW FV software. The staff noted that review of any files that Duke Energy could make available on the Electronic Reading Room, in advance of the planned February 13, 2015, re-submittal, would be helpful to expedite its review. Duke Energy agreed to make these early updates available.

Members of the public were in attendance via teleconference. At designated points during the meeting, members of the public were invited to provide any comments on the presentations. A member of the public had a clarifying question. The NRC staff responded to all questions.

A list of meeting attendees is included as an enclosure to this summary. Please direct any inquiries to me at (301) 415-2915 or Victor.Hall@nrc.gov.

IRA/

Victor Hall, Senior Project Manager Hazards Management Branch Japan Lessons-Learned Division Office of Nuclear Reactor Regulation Docket Nos. 50-269, 50-270 and 50-287

Enclosure:

List of Attendees cc w/encl: Distribution via Listserv DISTRIBUTION PUBLIC JLD RIF JBowen, NRR JDavis, NRR RPascarelli, NRR VHall, NRR RKuntz, NRR SWhaley, NRR MFranovich, NRR RHall, NRR MEvans, NRR Llund, NRR CCook, NRO ARivera, NRO KErwin, NRO NTiruneh, NRO RidsNrrPMOconeeResource RidsNRRJLD Resource RidsNrrLASLent ADAMS Accession No ..* ML14356A005 *via email OFFICE NRR/JLD/JHMB/PM NRR!JLD/JHMB/LA NRRIDORLILPL2-1 /PM*

NAME VHall SLent RHall (EMiller for)

DATE 12/19/14 12/29/14 12/31/14 OFFICE NRR/JLD/JHMB/BC NRR/JLD/JHMB/PM NAME SWhaley (RKuntz for)_ VHall DATE 12/30/14 12/31/14 OFFICAL RECORD COPY