ML013190139

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Transmittal of Version 6.71 of Saphire Computer Code
ML013190139
Person / Time
Site: Oyster Creek
Issue date: 04/11/2002
From: Tam P
NRC/NRR/DLPM/LPD1
To: Kingsley O
Exelon Generation Co, Exelon Nuclear
Pastis H, NRR/DLPM, 415-1261
Shared Package
ML013340136 List:
References
TAC MA7450
Download: ML013190139 (4)


Text

April 11, 2002 Mr. Oliver D. Kingsley, President and Chief Nuclear Officer Exelon Nuclear Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555

SUBJECT:

OYSTER CREEK NUCLEAR GENERATING STATION - TRANSMITTAL OF VERSION 6.71 OF SAPHIRE COMPUTER CODE (TAC NO. MA7450)

Dear Mr. Kingsley:

Enclosed are two compact disks (Enclosure 1) containing Version 6.71 of the SAPHIRE (System Analysis Programs for Hands-on Integrated Reliability Evaluations) code and a SAPHIRE version of the Oyster Creek Nuclear Generating Station Probabilistic Risk Assessment (PRA) database, that GPU Nuclear, Inc. (the previous licensee) gave the Nuclear Regulatory Commission (NRC) to be included in its SAPHIRE Library of PRA models in support of risk-informed regulatory activities (GPU Nuclear Corporation, et al., Oyster Creek Probabilistic Risk Assessment (Level 1), November 1991). Enclosure 2 is a hard copy of a letter report pertaining to this database, dated March 20, 1995. The NRC has been using SAPHIRE code and plant-specific PRA models to address a variety of issues, such as the resolution of generic issues, the development of guidance for risk-informed regulation, and the investigation of what if questions.

The Oyster Creek PRA database went through an Idaho National Engineering and Environmental Laboratory (INEEL) in-house review. However, because it may be out of date, it should be used with caution and in accordance with any statements that may be displayed upon opening, and with cautions and directions provided in the database letter report included in the disk. Questions about the SAPHIRE model and software should be directed to Ms. Erasmia Lois at NRC (301-415-6560, exl1@nrc.gov) or to Mr. Michael Calley, INEEL (208-526-9230, mbc2@inel.gov).

Sincerely,

/RA/

Peter S. Tam, Senior Project Manager, Section 1 Project Directorate I Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket No. 50-219

Enclosures:

As stated cc w/o encls: See next page

April 11, 2002 Mr. Oliver D. Kingsley, President and Chief Nuclear Officer Exelon Nuclear Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555

SUBJECT:

OYSTER CREEK NUCLEAR GENERATING STATION - TRANSMITTAL OF VERSION 6.71 OF SAPHIRE COMPUTER CODE (TAC NO. MA7450)

Dear Mr. Kingsley:

Enclosed are two compact disks (Enclosure 1) containing Version 6.71 of the SAPHIRE (System Analysis Programs for Hands-on Integrated Reliability Evaluations) code and a SAPHIRE version of the Oyster Creek Nuclear Generating Station Probabilistic Risk Assessment (PRA) database, that GPU Nuclear, Inc. (the previous licensee) gave the Nuclear Regulatory Commission (NRC) to be included in its SAPHIRE Library of PRA models in support of risk-informed regulatory activities (GPU Nuclear Corporation, et al., Oyster Creek Probabilistic Risk Assessment (Level 1), November 1991). Enclosure 2 is a hard copy of a letter report pertaining to this database, dated March 20, 1995. The NRC has been using SAPHIRE code and plant-specific PRA models to address a variety of issues, such as the resolution of generic issues, the development of guidance for risk-informed regulation, and the investigation of what if questions.

The Oyster Creek PRA database went through an Idaho National Engineering and Environmental Laboratory (INEEL) in-house review. However, because it may be out of date, it should be used with caution and in accordance with any statements that may be displayed upon opening, and with cautions and directions provided in the database letter report included in the disk. Questions about the SAPHIRE model and software should be directed to Ms. Erasmia Lois at NRC (301-415-6560, exl1@nrc.gov) or to Mr. Michael Calley, INEEL (208-526-9230, mbc2@inel.gov).

Sincerely,

/RA/

Peter S. Tam, Senior Project Manager, Section 1 Project Directorate I Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket No. 50-219

Enclosures:

As stated cc w/o encls: See next page DISTRIBUTION:

PUBLIC PTam ACRS PD1-1 R/F SLittle ELois RLaufer OGC JRogge, RI Package: ML013340136 ACCESSION NO: ML013190139 Enclosure 2: ML021050017 OFFICE PDI-1/PM PDI-1/LA RES PDI/SC NAME PTam SLittle ELois RLaufer DATE 4/10/02 4/10/02 4/11/02 4/11/02 OFFICIAL RECORD COPY

Oyster Creek Nuclear Generating Station cc:

Chief Operating Officer Mayor of Lacey Township Exelon Generation Company, LLC 818 West Lacey Road 4300 Winfield Road Forked River, NJ 08731 Warrenville, IL 60555 Senior Resident Inspector Senior Vice President - Nuclear Services U.S. Nuclear Regulatory Commission Exelon Generation Company, LLC P.O. Box 445 4300 Winfield Road Forked River, NJ 08731 Warrenville, IL 60555 Director - Licensing Vice President - Mid-Atlantic Operations Exelon Generation Company, LLC Support Correspondence Control Desk Exelon Generation Company, LLC P.O. Box 160 200 Exelon Way, KSA 3-N Kennett Square, PA 19348 Kennett Square, PA 19348 Oyster Creek Generating Station Plant Senior Vice President - Manager Mid Atlantic Regional Operating Group AmerGen Energy Company, LLC Exelon Generation Company, LLC P.O. Box 388 200 Exelon Way, KSA 3-N Forked River, NJ 08731 Kennett Square, PA 19348 Regulatory Assurance Manager Kevin P. Gallen, Esquire Oyster Creek Nuclear Generating Station Morgan, Lewis, & Bockius LLP AmerGen Energy Company, LLC 1800 M Street, NW P.O. Box 388 Washington, DC 20036-5869 Forked River, NJ 08731 Kent Tosch, Chief Vice President, General Counsel and New Jersey Department of Secretary Environmental Protection Exelon Generation Company, LLC Bureau of Nuclear Engineering 300 Exelon Way CN 415 Kennett Square, PA 19348 Trenton, NJ 08625 J. Rogge, Region I Vice President - U.S. Nuclear Regulatory Commission Licensing and Regulatory Affairs 475 Allendale Road Exelon Generation Company, LLC King of Prussia, PA 19406-1415 4300 Winfield Road Warrenville, IL 60555 Manager Licensing - Oyster Creek and Three Mile Island Site Vice President Exelon Generation Company, LLC Oyster Creek Nuclear Generating Station Nuclear Group Headquarters AmerGen Energy Company, LLC Correspondence Control PO Box 388 P.O. Box 160 Forked River, NJ 08731 Kennett Square, PA 19348 H. J. Miller Correspondence Control Desk Regional Administrator, Region I Exelon Generation Company, LLC U.S. Nuclear Regulatory Commission 200 Exelon Way, KSA 1-N-1 475 Allendale Road Kennett Square, PA 19348 King of Prussia, PA 19406-1415