ML022460488

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Duke Energy Company, Summary August 26 and 27, 2002, Meeting to Discuss Tornado Mitigation Flooding in the Auxiliary Building and Temporary Extension of Completion Times for Keowee Hydro Units
ML022460488
Person / Time
Site: Oconee  Duke Energy icon.png
Issue date: 09/18/2002
From: Olshan L
NRC/NRR/DLPM/LPD2
To:
References
TAC MB5361, TAC MB5362, TAC MB5363, TAC MB6144, TAC MB6145, TAC MB6146
Download: ML022460488 (6)


Text

September 18, 2002 LICENSEE:

DUKE ENERGY COMPANY FACILITY:

OCONEE NUCLEAR STATION, UNITS 1, 2, AND 3

SUBJECT:

SUMMARY

OF AUGUST 26 AND 27, 2002, MEETING TO DISCUSS TORNADO MITIGATION, FLOODING IN THE AUXILIARY BUILDING, AND TEMPORARY EXTENSION OF COMPLETION TIMES FOR KEOWEE HYDRO UNITS (TAC NOS. MB5361, MB5362, MB5363, MB6144, MB6145, AND MB6146)

On August 26 and 27, 2002, the Nuclear Regulatory Commission (NRC) met with Duke Energy (the licensee) to discuss (1) the licensees June 7, 2002, submittal on tornado mitigation; (2) the licensees forthcoming submittal on flooding in the auxiliary building; and (3) the licensees August 22, 2002, submittal requesting amendments that would allow a temporary extension of the completion times for the Keowee hydro units (KHUs). Enclosure 1 is a list of the attendees.

The handouts provided by the licensee are accessible electronically from the Agencywide Documents Access and Management System (ADAMS) Public Electronic Reading Room on the internet at the NRC Web site, http://www.nrc.gov/reading-rm/adams/html accession number ML022420135. Persons who do not have access to ADAMS or who encounter problems in accessing the documents located in ADAMS should contact the NRC PDR Reference staff by telephone at 1-800-397-4209 or 301-415-4737, or by e-mail to pdr@nrc.gov.

The licensee presented an overview of its June 7, 2002, amendment request that proposes to change the licensing basis with regard to the mitigation of tornadoes. The licensee is proposing to implement modifications (under the provisions of 10 CFR 50.59) that would protect the Standby Shutdown Facility (SSF) from tornado damage, and then utilize the SSF as the means to safely shutdown all 3 units after a tornado. The proposed licensing basis would also eliminate reliance on the flow path from the spent fuel pool to the high pressure injection system following a tornado.

The licensee discussed license amendments it intends to submit in Fall 2002 that would propose revisions to the licensing basis associated with the failure of the non-seismic piping in the auxiliary building. The submittal would use a risk-informed approach, following the guidelines of Regulatory Guide 1.174, An Approach For Using Probabistic Risk Assessment in Risk-Informed Decisions on Plant-Specific Changes to the Licensing Basis, to allow portions of the piping in the auxiliary building to be non-seismic.

Lastly, the licensee presented an overview of its August 22, 2002, amendment request that proposes temporary extensions to the completion times for the KHUs. The licensee stated that the extensions to the completion times are needed to accommodate a major inspection and overhaul of each KHU. The licensee is requesting approval of the amendments by May 16, 2003.

/RA/

Leonard N. Olshan, Project Manager, Section 1 Project Directorate II Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket Nos.: 50-269, 50-270, and 50-287

Enclosure:

As stated cc w/encl: See next page LIST OF ATTENDEES MEETING TO DISCUSS TORNADO MITIGATION, FLOODING IN THE AUXILIARY BUILDING, AND TEMPORARY EXTENSIONS TO THE COMPLETION TIMES FOR THE KEOWEE HYDRO UNITS AUGUST 26 AND 27, 2002 TORNADO MITIGATION DISCUSSION NRC DUKE C. Doutt D. Brewer G. Hammer E. Burchfield D. Harrison L. Kanipe D. Jeng S. Newman B. LeFave L. Nicholson L. Lois L. Olshan J. Tatum S. Weerakkody J. Zwolinski (part-time attendance)

AUXILIARY BUILDING FLOODING NRC DUKE S. Dinsmore D. Brewer L. Olshan E. Burchfield G. McAninch S. Nader L. Nicholson J. Richards B. Shingleton COMPLETION TIMES OF KEOWEE HYDRO UNITS NRC DUKE S. Dinsmore D. Brewer J. Lazevnick E. Burchfield L. Olshan J. Fuller M. Pohida L. Nicholson M. Waterman J. Rowell B. Shingleton

ML022460488 OFFICE PDII-1/PM PDII-1/LA PDII-1/SC NAME LOlshan CHawes JNakoski DATE 9/13/02 9/13/02 9/16/02

Oconee Nuclear Station cc:

Ms. Lisa F. Vaughn Legal Department (PBO5E)

Duke Energy Corporation 422 South Church Street Charlotte, North Carolina 28201-1006 Anne W. Cottingham, Esquire Winston and Strawn 1400 L Street, NW Washington, DC 20005 Manager, LIS NUS Corporation 2650 McCormick Drive, 3rd Floor Clearwater, Florida 34619-1035 Senior Resident Inspector U. S. Nuclear Regulatory Commission 7812B Rochester Highway Seneca, South Carolina 29672 Mr. Henry Porter, Director Division of Radioactive Waste Management Bureau of Land and Waste Management Department of Health and Environmental Control 2600 Bull Street Columbia, South Carolina 29201-1708 Mr. Michael A. Schoppman Framatome ANP 1911 North Ft. Myer Drive Suite 705 Rosslyn, VA 22209 Mr. L. E. Nicholson Compliance Manager Duke Energy Corporation Oconee Nuclear Site 7800 Rochester Highway Seneca, South Carolina 29672 Ms. Karen E. Long Assistant Attorney General North Carolina Department of Justice P. O. Box 629 Raleigh, North Carolina 27602 Mr. C. Jeffrey Thomas Manager - Nuclear Regulatory Licensing Duke Energy Corporation 526 South Church Street Charlotte, North Carolina 28201-1006 Mr. Richard M. Fry, Director Division of Radiation Protection North Carolina Department of Environment, Health, and Natural Resources 3825 Barrett Drive Raleigh, North Carolina 27609-7721 Mr. Peter R. Harden, IV VP-Customer Relations and Sales Westinghouse Electric Company 6000 Fairview Road 12th Floor Charlotte, North Carolina 28210

OCONEE NUCLEAR STATION, UNIT 1, 2, AND 3

SUMMARY

OF AUGUST 26 AND 27, 2002, MEETING TO DISCUSS TORNADO MITIGATION, FLOODING IN THE AUXILIARY BUILDING, AND TEMPORARY EXTENSION OF COMPLETION TIMES FOR KEOWEE HYDRO UNITS (TAC NOS. MB5361, MB5362, MB6144, MB6145 AND MB6146)

DISTRIBUTION:

PUBLIC PDII-1-R/F LOlshan CDoutt BLeFave SDinsmore OGC ACRS/ACNW JZwolinski/LMarsh GHammer LLois JLazevnick HBerkow JNakoski CHawes DHarrison JTatum MPohida SRosenberg LPlisco, RII MKotzalas DJeng SWeerakkody MWaterman RHaag, RII