ML022140331

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Telecommunication with Florida Power & Light Co., to Discuss Information Provided to NRC Staff in Response for Information Dated June 25, 2002
ML022140331
Person / Time
Site: Saint Lucie  NextEra Energy icon.png
Issue date: 07/29/2002
From: Masnik M
NRC/NRR/DRIP/RLEP
To:
MASNIK M, NRR/DRIP/RLEP, 415-1191
References
Download: ML022140331 (6)


Text

July 29, 2002 APPLICANT:

Florida Power and Light Company FACILITIES:

St. Lucie, Units 1 and 2

SUBJECT:

TELECOMMUNICATION WITH FLORIDA POWER AND LIGHT COMPANY TO DISCUSS INFORMATION PROVIDED TO THE NRC STAFF IN A RESPONSE FOR INFORMATION DATED JUNE 25, 2002 On July 15, 2002, a conference call was conducted between the U.S. Nuclear Regulatory Commission (NRC) staff, NRC contractor staff, and representatives of Florida Power and Light Company (hereafter referred to as FPL or the licensee) to clarify specific information provided to the NRC staff in a letter from Mr. D. Jernigan, FPL, dated June 25, 2002. The letter was in response to a request for additional information (RAI) on the subject of Severe Accident Management Alternatives (SAMA) contained in a letter from the NRC staff to FPL dated May 7, 2002. The following personnel participated in the June 25, 2002, conference call:

Michael Masnik, NRC; Jim Meyer, NRC Contractor; Kim Green, NRC Contractor; Tom Abatiello, FPL; Ching Guey, FPL; and Mamoud Heiba, FPL.

The staff asked several questions pertaining to the methodology used by FPL to identify potential SAMAs. The staff asked whether or not importance measures were used to identify or eliminate the potential SAMAs for each unit. FPL responded by stating that they relied on the risk reduction worth values to eliminate SAMAs with a risk reduction worth of less than 1.001; however, they did not use the risk reduction worth values to identify potential plant-specific SAMAs in the environmental review (ER). SAMAs with a risk reduction worth greater than 1.00 were reviewed, but no new SAMA candidates were identified. The staff also discussed with the licensee the cut-off frequency for the top 100 cut-sets evaluated.

The staff asked a number of clarifying questions that primarily reaffirmed its understanding on methodology and assumptions made by the licensee. The questions pertained to the calculation of core damage frequency, assumptions on the extrapolation of human population densities around the facility during the renewal period, the relative uncertainty between the models used and the parameters used in the PRA, and the assumptions made in the plant-specific Modular Accident Analysis Program (MAAP) related to late containment failure.

The conference call generated no open items.

Original Signed By: MTMasnik Michael T. Masnik, Senior Project Manager License Renewal and Environmental Impacts Program Division of Regulatory Improvement Programs Office of Nuclear Reactor Regulation Docket Nos. 50-335 and 50-389 cc: See next page

July 29, 2002 APPLICANT:

Florida Power and Light Company FACILITIES:

St. Lucie, Units 1 and 2

SUBJECT:

TELECOMMUNICATION WITH FLORIDA POWER AND LIGHT COMPANY TO DISCUSS INFORMATION PROVIDED TO THE NRC STAFF IN A RESPONSE FOR INFORMATION DATED JUNE 25, 2002 On July 15, 2002, a conference call was conducted between the U.S. Nuclear Regulatory Commission (NRC) staff, NRC contractor staff, and representatives of Florida Power and Light Company (hereafter referred to as FPL or the licensee) to clarify specific information provided to the NRC staff in a letter from Mr. D. Jernigan, FPL, dated June 25, 2002. The letter was in response to a request for additional information (RAI) on the subject of Severe Accident Management Alternatives (SAMA) contained in a letter from the NRC staff to FPL dated May 7, 2002. The following personnel participated in the June 25, 2002, conference call:

Michael Masnik, NRC; Jim Meyer, NRC Contractor; Kim Green, NRC Contractor; Tom Abatiello, FPL; Ching Guey, FPL; and Mamoud Heiba, FPL.

The staff asked several questions pertaining to the methodology used by FPL to identify potential SAMAs. The staff asked whether or not importance measures were used to identify or eliminate the potential SAMAs for each unit. FPL responded by stating that they relied on the risk reduction worth values to eliminate SAMAs with a risk reduction worth of less than 1.001; however, they did not use the risk reduction worth values to identify potential plant-specific SAMAs in the environmental review (ER). SAMAs with a risk reduction worth greater than 1.00 were reviewed, but no new SAMA candidates were identified. The staff also discussed with the licensee the cut-off frequency for the top 100 cut-sets evaluated.

The staff asked a number of clarifying questions that primarily reaffirmed its understanding on methodology and assumptions made by the licensee. The questions pertained to the calculation of core damage frequency, assumptions on the extrapolation of human population densities around the facility during the renewal period, the relative uncertainty between the models used and the parameters used in the PRA, and the assumptions made in the plant-specific Modular Accident Analysis Program (MAAP) related to late containment failure.

The conference call generated no open items.

Original Signed By: MTMasnik Michael T. Masnik, Senior Project Manager License Renewal and Environmental Impacts Program Division of Regulatory Improvement Programs Office of Nuclear Reactor Regulation Docket Nos. 50-335 and 50-389 cc: See next page Distribution: See next page Accession no.: ML022140331

  • See previous concurrence Document name: C:\\ORPCheckout\\FileNET\\ML022140331.wpd OFFICE RLEP:DRIP RLEP:DRIP LA:RLEP SC:RLEP NAME JDavis*

MMasnik HBerilla*

JTappert(*REmch for)

DATE 07/29/02 07/29/02 07/19/02 07/29/02 OFFICIAL RECORD COPY

2 DISTRIBUTION: TELECOMMUNICATION BETWEEN NRC AND FPLC, DATED: July 29, 2002 RLEP R/F J. Davis M. Masnik H. Berilla R. Palla J. Tapper

ST. LUCIE PLANT Florida Power and Light Company cc:

Mr. J. A. Stall Senior Vice President, Nuclear and Chief Nuclear Officer Florida Power and Light Company 700 Universe Boulevard P.O. Box 029100 Juno Beach, FL 33408-0420 Senior Resident Inspector St. Lucie Plant U.S. Nuclear Regulatory Commission P.O. Box 6090 Jensen Beach, Florida 34957-2000 Joe Myers, Director Division of Emergency Preparedness Department of Community Affairs 2740 Centerview Drive Tallahassee, Florida 32399-2100 M. S. Ross, Attorney Florida Power and Light Company P.O. Box 14000 Juno Beach, FL 33408-0420 Mr. Douglas Anderson County Administrator St. Lucie County 2300 Virginia Avenue Fort Pierce, Florida 34982 Mr. William A. Passetti, Chief Department of Health Bureau of Radiation Control 2020 Capital Circle, SE, Bin #C21 Tallahassee, Florida 32399-1741 Attorney General Department of Legal Affairs The Capitol Tallahassee, Florida 32304 Mr. Donald E. Jernigan, Site Vice President St. Lucie Nuclear Plant Florida Power and Light Company 6351 South Ocean Drive Jensen Beach, Florida 34957-2000 Mr. Steve Hale St. Lucie Nuclear Plant Florida Power and Light Company 6351 South Ocean Drive Jensen Beach, Florida 34957-2000 Mr. R. G. West Plant General Manager St. Lucie Nuclear Plant Florida Power and Light Company 6351 South Ocean Drive Jensen Beach, Florida 34957-2000 Mr. T.L. Patterson Licensing Manager St. Lucie Nuclear Plant Florida Power and Light Company 6351 South Ocean Drive Jensen Beach, Florida 34957-2000 Mr. Don Mothena Manager, Nuclear Plant Support Services Florida Power & Light Company P.O. Box 14000 Juno Beach, FL 33408-0420 Mr. Rajiv S. Kundalkar Vice President - Nuclear Engineering Florida Power & Light Company P.O. Box 14000 Juno Beach, FL 33408-0420 Mr. J. Kammel Radiological Emergency Planning Administrator Department of Public Safety 6000 SE. Tower Drive Stuart, Florida 34997

Mr. Alan P. Nelson Nuclear Energy Institute 1776 I Street, N.W., Suite 400 Washington, DC 20006-3708 Indian River Community College ATTN: Dr. R. Wideman/ Library 3209 Virginia Avenue Ft. Pierce, FL 34981-5596