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| number = ML073040543
| number = ML073040543
| issue date = 10/29/2007
| issue date = 10/29/2007
| title = Limerick Generating Station, Unit Nos. 1&1-Distribution of Revision 2 of the Nrc'S Significance Determination Process Risk-Informed Inspection Notebooks, & Accompanying Phase 2 Pre-Solved Tables
| title = Distribution of Revision 2 of the Nrc'S Significance Determination Process Risk-Informed Inspection Notebooks, & Accompanying Phase 2 Pre-Solved Tables
| author name = Bamford P J
| author name = Bamford P
| author affiliation = NRC/NRR/ADRO/DORL/LPLI-2
| author affiliation = NRC/NRR/ADRO/DORL/LPLI-2
| addressee name = Crane C M
| addressee name = Crane C
| addressee affiliation = Exelon Generation Co, LLC
| addressee affiliation = Exelon Generation Co, LLC
| docket = 05000352, 05000353
| docket = 05000352, 05000353
Line 19: Line 19:


=Text=
=Text=
{{#Wiki_filter:OFFICIAL USE ONLY SECURITY RELA.TED IHFORM.ATIOh
{{#Wiki_filter:OFFICIAL USE ONLY       SECURITY RELA.TED IHFORM.ATIOh
: 4. UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 October 29, 2007 Mr. Christopher M. Crane President and Chief Nuclear Officer Exelon Generating Company, LLC 200 Exelon Way, KSA 3-N Kennett Square, PA 19348  
: 4.                               UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 October 29, 2007 Mr. Christopher M. Crane President and Chief Nuclear Officer Exelon Generating Company, LLC 200 Exelon Way, KSA 3-N Kennett Square, PA 19348


==SUBJECT:==
==SUBJECT:==
LIMERICK GENERATING STATION, UNIT NOS. 1 AND 2 -DISTRIBUTION OF REVISION 2 OF THE NRC'S SIGNIFICANCE DETERMINATION PROCESS RISK-INFORMED INSPECTION NOTEBOOKS, AND ACCOMPANYING PHASE 2 PRE-SOLVED TABLES (TAC NO. MD6415).
LIMERICK GENERATING STATION, UNIT NOS. 1 AND 2 - DISTRIBUTION OF REVISION 2 OF THE NRC'S SIGNIFICANCE DETERMINATION PROCESS RISK-INFORMED INSPECTION NOTEBOOKS, AND ACCOMPANYING PHASE 2 PRE-SOLVED TABLES (TAC NO. MD6415)


==Dear Mr. Crane:==
==Dear Mr. Crane:==
In 2004, the U.S. Nuclear Regulatory Commission (NRC) requested information from licensees to support the Significance Determination Process (SDP) Risk-Informed Inspection Notebook (notebook) enhancement/standardization effort. The NRC has completed this effort and has issued Revision 2 of the notebook for Limerick Generating Station (LGS), Unit Nos. I and 2.The NRC developed these notebooks to facilitate Phase 2 of the NRC inspection finding significance determination process detailed in Inspection Manual Chapter 0609, "Significance Determination Process," Appendix A, "Determining the Significance of Reactor Inspection Findings for At-Power Situations." SECY-99-007A, "Recommendations for Reactor Oversight Process Improvements," sets forth this process and additional details are included in the NRC Inspection Manual Chapter 0308, "Reactor Oversight Process Basis Document." NRC inspectors and risk analysts, who have extensive understanding of plant-specific design features and operation, are expected to use these notebooks.
 
The notebooks will be updated on a case-by-case basis as needed to reflect changes to the facilities.  
In 2004, the U.S. Nuclear Regulatory Commission (NRC) requested information from licensees to support the Significance Determination Process (SDP) Risk-Informed Inspection Notebook (notebook) enhancement/standardization effort. The NRC has completed this effort and has issued Revision 2 of the notebook for Limerick Generating Station (LGS), Unit Nos. I and 2.
....Revision 2 of the notebooks is accompanied' by the Site Specific Pre-Solved Spreadsheet (the Spreadsheet).
The NRC developed these notebooks to facilitate Phase 2 of the NRC inspection finding significance determination process detailed in Inspection Manual Chapter 0609, "Significance Determination Process," Appendix A, "Determining the Significance of Reactor Inspection Findings for At-Power Situations." SECY-99-007A, "Recommendations for Reactor Oversight Process Improvements," sets forth this process and additional details are included in the NRC Inspection Manual Chapter 0308, "Reactor Oversight Process Basis Document." NRC inspectors and risk analysts, who have extensive understanding of plant-specific design features and operation, are expected to use these notebooks. The notebooks will be updated on a case-by-case basis as needed to reflect changes to the facilities.     .     ...
The NRC added the Spreadsheet to help reduce the time it takes to process inspection findings.
Revision 2 of the notebooks is accompanied' by the Site Specific Pre-Solved Spreadsheet (the Spreadsheet). The NRC added the Spreadsheet to help reduce the time it takes to process inspection findings. The NRC benchmarked the notebooks against licensee Probability Risk Assessments and plant configurations. The enclosed compact disk containing the above documents is provided for your use to facilitate your understanding of the SDP in Inspection Manual Chapter 0609.
The NRC benchmarked the notebooks against licensee Probability Risk Assessments and plant configurations.
The enclosure transmitted herewith contains Security-Related information.
The enclosed compact disk containing the above documents is provided for your use to facilitate your understanding of the SDP in Inspection Manual Chapter 0609.The enclosure transmitted herewith contains Security-Related information.
When separated from enclosure, this document is decontrolled.
When separated from enclosure, this document is decontrolled.
eFrCAL US." OhNL' -SECURI'Y RELATED INFORMATION Ofrle!lzl iSleN-- -l1 RE12ATEDr INlFODRMATIONl C. Crane The information on the enclosed compact disk is designated exempt from public disclosure pursuant to Section 2.390(d)(1 ) of Title 10 of the Code of Federal Regulations since it contains security-related information.
eFrCAL US." OhNL'     - SECURI'Y RELATED INFORMATION
If you have any questions, please contact me at (301) 415-2833.Sincerely, Peter J. Bamford, Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-352, 50-353  
 
Ofrle!lzl   iSleN--     -l1 0*EG111ilY      RE12ATEDr INlFODRMATIONl C. Crane                                           The information on the enclosed compact disk is designated exempt from public disclosure pursuant to Section 2.390(d)(1 ) of Title 10 of the Code of FederalRegulations since it contains security-related information.
If you have any questions, please contact me at (301) 415-2833.
Sincerely, Peter J. Bamford, Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-352, 50-353


==Enclosure:==
==Enclosure:==


Compact Disk with LGS Unit Nos. 1 and 2 SDP Revision 2 and Site Specific Pre-Solved Spreadsheet Official Use Only-Security Related Information cc w/o encl: See next page OFFICIAL USE ONLY SECURITY RELATED INFORMNATION Limerick Generating Station, Unit Nos. 1 and 2 cc (w/o encl): Site Vice President Limerick Generating Station Exelon Generation Company, LLC P.O. Box 2300 Sanatoga, PA 19464 Plant Manager Limerick Generating Station Exelon Generation Company, LLC P.O. Box 2300 Sanatoga, PA 19464 Regulatory Assurance Manager -Limerick Exelon Generation Company, LLC P.O. Box 2300 Sanatoga, PA 19464 Vice President  
Compact Disk with LGS Unit Nos. 1 and 2 SDP Revision 2 and Site Specific Pre-Solved Spreadsheet Official Use Only-Security Related Information cc w/o encl: See next page OFFICIAL USE ONLY           SECURITY RELATED INFORMNATION
-Operations, Mid-Atlantic Exelon Generation Company, LLC 200 Exelon Way, KSA 3-N Kennett Square, PA 19348 Vice President Licensing and Regulatory Affairs Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555 Director Licensing and Regulatory Affairs Exelon Generation Company, LLC 200 Exelon Way, KSA 3-E Kennett Square, PA 19348 Manager Licensing Limerick Generating Station Exelon Generation Company, LLC 200 Exelon Way, KSA 3-E Kennett Square, PA 19348 Correspondence Control Desk Exelon Generation Company, LLC P.O. Box 160 Kennett Square, PA 19348 Regional Administrator, Region I U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 Senior Resident Inspector U.S. Nuclear Regulatory Commission Limerick Generating Station P.O. Box 596 Pottstown, PA 19464 Library U.S. Nuclear Regulatory Commission Region I 475 Allendale Road King of Prussia, PA 19406 Director, Bureau of Radiation Protection Pennsylvania Dept. of Environmental Protection Rachel Carson State Office Building P.O. Box 8469 Harrisburg, PA 17105-8469 Chairman Board of Supervisors of Limerick Township 646 West Ridge Pike-Linfield, PA 19468 Dr. Judith Johnsrud National Energy Committee Sierra Club 433 Orlando Avenue State College, PA 16803 Associate General Counsel Exelon Generating Company, LLC 4300 Winfield Road Warrenville, IL 60555 Mr. Christopher M. Crane President
 
& Chief Nuclear Officer Exelon Generating Company, LLC 4300 Winfield Road Warrenville, IL 60555 C. Crane-2 The -information on the'enclosed compact disk is designated exempt from public disclosure pursuant to Section 2.390(d)(1) of Title 10 of the Code of Federal Regulations since it contains security-related information.
Limerick Generating Station, Unit Nos. 1 and 2 cc (w/o encl):
If you have any questions, please contact me at (301) 415-2833.Sincerely, Ira!Peter J. Bamford, Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-352, 50-353  
Site Vice President                           Regional Administrator, Region I Limerick Generating Station                   U.S. Nuclear Regulatory Commission Exelon Generation Company, LLC                 475 Allendale Road P.O. Box 2300                                 King of Prussia, PA 19406 Sanatoga, PA 19464 Senior Resident Inspector Plant Manager                                 U.S. Nuclear Regulatory Commission Limerick Generating Station                    Limerick Generating Station Exelon Generation Company, LLC                 P.O. Box 596 P.O. Box 2300                                 Pottstown, PA 19464 Sanatoga, PA 19464 Library Regulatory Assurance Manager - Limerick       U.S. Nuclear Regulatory Commission Exelon Generation Company, LLC                 Region I P.O. Box 2300                                 475 Allendale Road Sanatoga, PA 19464                             King of Prussia, PA 19406 Vice President - Operations, Mid-Atlantic     Director, Bureau of Radiation Protection Exelon Generation Company, LLC                 Pennsylvania Dept. of Environmental 200 Exelon Way, KSA 3-N                       Protection Kennett Square, PA 19348                       Rachel Carson State Office Building P.O. Box 8469 Vice President                                 Harrisburg, PA 17105-8469 Licensing and Regulatory Affairs Exelon Generation Company, LLC                 Chairman 4300 Winfield Road                             Board of Supervisors of Limerick Township Warrenville, IL 60555                         646 West Ridge Pike-Linfield, PA 19468 Director Licensing and Regulatory Affairs               Dr. Judith Johnsrud Exelon Generation Company, LLC                 National Energy Committee 200 Exelon Way, KSA 3-E                       Sierra Club Kennett Square, PA 19348                       433 Orlando Avenue State College, PA 16803 Manager Licensing Limerick Generating Station                   Associate General Counsel Exelon Generation Company, LLC                Exelon Generating Company, LLC 200 Exelon Way, KSA 3-E                       4300 Winfield Road Kennett Square, PA 19348                       Warrenville, IL 60555 Correspondence Control Desk                   Mr. Christopher M.Crane Exelon Generation Company, LLC                 President & Chief Nuclear Officer P.O. Box 160                                   Exelon Generating Company, LLC Kennett Square, PA 19348                       4300 Winfield Road Warrenville, IL60555
 
C. Crane                                         -2 The -information on the'enclosed compact disk is designated exempt from public disclosure pursuant to Section 2.390(d)(1) of Title 10 of the Code of FederalRegulations since it contains security-related information.
If you have any questions, please contact me at (301) 415-2833.
Sincerely, Ira!
Peter J. Bamford, Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-352, 50-353


==Enclosure:==
==Enclosure:==


Compact Disk with LGS Unit Nos. 1 and 2 SDP Revision 2 and Site Specific Pre-Solved Spreadsheet Official Use Only-Security Related Information DISTRIBUTION (w/o encl): Public LPL1-2 R/F RidsNrrDorlLpll-2 RidsNrrLAABaxter RidsNrrPMPBamford RidsOgcMailCenter RidsAcrsAcnwMailCenter RidsRgnl MailCenter JWeibe, NRR MFranovich, NRR Accession Nos.: Package/ML072490372;Non-Public Letter/ML072490376; Public Letter/ML073040543 Encl./ML071700260, ML071700262 LPL1-2/PM LPL1-2/LA LPL1-2/BC Name PBamford ABaxter HChernoff Date 10/18/07 10/18/07 10/29/07 Official Record Copy OFFICIAL USE ONLY -SECURITY RELATED INFORMATION}}
Compact Disk with LGS Unit Nos. 1 and 2 SDP Revision 2 and Site Specific Pre-Solved Spreadsheet Official Use Only-Security Related Information DISTRIBUTION (w/o encl):
Public LPL1-2 R/F RidsNrrDorlLpll-2 RidsNrrLAABaxter RidsNrrPMPBamford RidsOgcMailCenter RidsAcrsAcnwMailCenter RidsRgnl MailCenter JWeibe, NRR MFranovich, NRR Accession Nos.:     Package/ML072490372;Non-Public Letter/ML072490376; Public Letter/ML073040543 Encl./ML071700260, ML071700262 LPL1-2/PM       LPL1-2/LA           LPL1-2/BC Name         PBamford       ABaxter               HChernoff Date         10/18/07         10/18/07             10/29/07 Official Record Copy OFFICIAL USE ONLY - SECURITY RELATED INFORMATION}}

Latest revision as of 09:56, 13 March 2020

Distribution of Revision 2 of the Nrc'S Significance Determination Process Risk-Informed Inspection Notebooks, & Accompanying Phase 2 Pre-Solved Tables
ML073040543
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 10/29/2007
From: Peter Bamford
NRC/NRR/ADRO/DORL/LPLI-2
To: Crane C
Exelon Generation Co
Bamford, Peter J., NRR/DORL 415-2833
Shared Package
ML072490372 List:
References
TAC MD6415
Download: ML073040543 (4)
v • d • e


Text

OFFICIAL USE ONLY SECURITY RELA.TED IHFORM.ATIOh

4. UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 October 29, 2007 Mr. Christopher M. Crane President and Chief Nuclear Officer Exelon Generating Company, LLC 200 Exelon Way, KSA 3-N Kennett Square, PA 19348

SUBJECT:

LIMERICK GENERATING STATION, UNIT NOS. 1 AND 2 - DISTRIBUTION OF REVISION 2 OF THE NRC'S SIGNIFICANCE DETERMINATION PROCESS RISK-INFORMED INSPECTION NOTEBOOKS, AND ACCOMPANYING PHASE 2 PRE-SOLVED TABLES (TAC NO. MD6415)

Dear Mr. Crane:

In 2004, the U.S. Nuclear Regulatory Commission (NRC) requested information from licensees to support the Significance Determination Process (SDP) Risk-Informed Inspection Notebook (notebook) enhancement/standardization effort. The NRC has completed this effort and has issued Revision 2 of the notebook for Limerick Generating Station (LGS), Unit Nos. I and 2.

The NRC developed these notebooks to facilitate Phase 2 of the NRC inspection finding significance determination process detailed in Inspection Manual Chapter 0609, "Significance Determination Process," Appendix A, "Determining the Significance of Reactor Inspection Findings for At-Power Situations." SECY-99-007A, "Recommendations for Reactor Oversight Process Improvements," sets forth this process and additional details are included in the NRC Inspection Manual Chapter 0308, "Reactor Oversight Process Basis Document." NRC inspectors and risk analysts, who have extensive understanding of plant-specific design features and operation, are expected to use these notebooks. The notebooks will be updated on a case-by-case basis as needed to reflect changes to the facilities. . ...

Revision 2 of the notebooks is accompanied' by the Site Specific Pre-Solved Spreadsheet (the Spreadsheet). The NRC added the Spreadsheet to help reduce the time it takes to process inspection findings. The NRC benchmarked the notebooks against licensee Probability Risk Assessments and plant configurations. The enclosed compact disk containing the above documents is provided for your use to facilitate your understanding of the SDP in Inspection Manual Chapter 0609.

The enclosure transmitted herewith contains Security-Related information.

When separated from enclosure, this document is decontrolled.

eFrCAL US." OhNL' - SECURI'Y RELATED INFORMATION

Ofrle!lzl iSleN-- -l1 0*EG111ilY RE12ATEDr INlFODRMATIONl C. Crane The information on the enclosed compact disk is designated exempt from public disclosure pursuant to Section 2.390(d)(1 ) of Title 10 of the Code of FederalRegulations since it contains security-related information.

If you have any questions, please contact me at (301) 415-2833.

Sincerely, Peter J. Bamford, Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-352, 50-353

Enclosure:

Compact Disk with LGS Unit Nos. 1 and 2 SDP Revision 2 and Site Specific Pre-Solved Spreadsheet Official Use Only-Security Related Information cc w/o encl: See next page OFFICIAL USE ONLY SECURITY RELATED INFORMNATION

Limerick Generating Station, Unit Nos. 1 and 2 cc (w/o encl):

Site Vice President Regional Administrator, Region I Limerick Generating Station U.S. Nuclear Regulatory Commission Exelon Generation Company, LLC 475 Allendale Road P.O. Box 2300 King of Prussia, PA 19406 Sanatoga, PA 19464 Senior Resident Inspector Plant Manager U.S. Nuclear Regulatory Commission Limerick Generating Station Limerick Generating Station Exelon Generation Company, LLC P.O. Box 596 P.O. Box 2300 Pottstown, PA 19464 Sanatoga, PA 19464 Library Regulatory Assurance Manager - Limerick U.S. Nuclear Regulatory Commission Exelon Generation Company, LLC Region I P.O. Box 2300 475 Allendale Road Sanatoga, PA 19464 King of Prussia, PA 19406 Vice President - Operations, Mid-Atlantic Director, Bureau of Radiation Protection Exelon Generation Company, LLC Pennsylvania Dept. of Environmental 200 Exelon Way, KSA 3-N Protection Kennett Square, PA 19348 Rachel Carson State Office Building P.O. Box 8469 Vice President Harrisburg, PA 17105-8469 Licensing and Regulatory Affairs Exelon Generation Company, LLC Chairman 4300 Winfield Road Board of Supervisors of Limerick Township Warrenville, IL 60555 646 West Ridge Pike-Linfield, PA 19468 Director Licensing and Regulatory Affairs Dr. Judith Johnsrud Exelon Generation Company, LLC National Energy Committee 200 Exelon Way, KSA 3-E Sierra Club Kennett Square, PA 19348 433 Orlando Avenue State College, PA 16803 Manager Licensing Limerick Generating Station Associate General Counsel Exelon Generation Company, LLC Exelon Generating Company, LLC 200 Exelon Way, KSA 3-E 4300 Winfield Road Kennett Square, PA 19348 Warrenville, IL 60555 Correspondence Control Desk Mr. Christopher M.Crane Exelon Generation Company, LLC President & Chief Nuclear Officer P.O. Box 160 Exelon Generating Company, LLC Kennett Square, PA 19348 4300 Winfield Road Warrenville, IL60555

C. Crane -2 The -information on the'enclosed compact disk is designated exempt from public disclosure pursuant to Section 2.390(d)(1) of Title 10 of the Code of FederalRegulations since it contains security-related information.

If you have any questions, please contact me at (301) 415-2833.

Sincerely, Ira!

Peter J. Bamford, Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-352, 50-353

Enclosure:

Compact Disk with LGS Unit Nos. 1 and 2 SDP Revision 2 and Site Specific Pre-Solved Spreadsheet Official Use Only-Security Related Information DISTRIBUTION (w/o encl):

Public LPL1-2 R/F RidsNrrDorlLpll-2 RidsNrrLAABaxter RidsNrrPMPBamford RidsOgcMailCenter RidsAcrsAcnwMailCenter RidsRgnl MailCenter JWeibe, NRR MFranovich, NRR Accession Nos.: Package/ML072490372;Non-Public Letter/ML072490376; Public Letter/ML073040543 Encl./ML071700260, ML071700262 LPL1-2/PM LPL1-2/LA LPL1-2/BC Name PBamford ABaxter HChernoff Date 10/18/07 10/18/07 10/29/07 Official Record Copy OFFICIAL USE ONLY - SECURITY RELATED INFORMATION

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