ML073520054

Distribution of Revision 2.1 of the Nrc'S Significance Determination Process Risk-Informed Inspection Notebook, and Accompanying Phase 2 Pre-solved Table

ML073520054
Person / Time
Site:	Peach Bottom
Issue date:	12/14/2007
From:	John Hughey NRC/NRR/ADRO/DORL/LPLI-2
To:	Pardee C Exelon Generation Co
Hughey J, NRR/DORL, 301-415-3204
Shared Package
ML073520068	List: ML073520054
References
TAC MD6415
Download: ML073520054 (4)

Text

~~~rrEI.%Ur I A Il ý~~I A-.02 I U.ITED STATES NUCLEAR;.REGUlATORY CdOMIMISSION WASHINGTON, D.Cn 20555-0001 December 14, 2007 Mr..-Charles-G.-Pardee . ......

Chief Nuclear Officer and Senior Vice President LLC

-- 3O00 W infield-R oadCompany, Exelon Generation -... . ............................ . . .. ... ............. .... .. .... ....... .

Warrenville, IL 60555

SUBJECT:

PEACH BOTTOM ATOMIC POWER STATION, UNITS 2 AND 3-bDISTRIBUTION OF REVISION. 2.1 OF THE NRC'S SIGNIFICANCE DETERMINATION PROCESS RISK-INFORMED INSPECTION NOTEBOOK, AND ACCOMPANYING PHASE 2 PRE-SOLVED TABLE (TAC'NO., MD6415)

Dear Mr. Pardee:

In 2004, the U.S. Nuclear:Regulatory Commission (NRC):requested information frmm licensees to support the Significance Determination, Process:; (SDP) Risk-Inform*dnspection Notebook (notebook), enhancement/standardization-effor., The NRC has cnpteed :this effort andl'hnas issued Revision 2.1 of the notebook-for Peach Bottom Atomic P6wr Statiob, UnitNos. 2 and 3.

The NRC developedthese notebooks to facilitate Phase 2 of the NRC inspection finding significancea determination process-detiled in;Inspecion s Manual Chapter 0609 -sighificance Determination Process," Appendix A, "Determining- the Significance of Reactor Inspection Findings for At-Power Situations." SECY-99-007A, "Recommen~dations for Reactor Oversight Process Improvements," sets forth this process and additional detailslare includedjntheNRC Inspection Manual Chaptero 0308, -"ReacoOversighBt ProesB-sis:Doument."*NRC.

inspectors and risk analysts, who have extensive understanding ofmplant*sPecific design features and operation;, are expected to use these notebooks.facilities. The notebooks will be updated on a case-by-case basisas needed to reflect changes to the Revision 2.1 of the notebooks is accompanied by the Site Specific-Pre-Solved'Spreadsheet (the Spreadsheet). The NRC added theSpreadsheet to help reduce the time-ittakes to pros 6' 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 enclosures transmitted herewith contain Security-Related information.

When separatedfrom enclosures, this document is-decontrolled.

OFFICAL, ,, r till.I - 3 1I I--IR I -- I RIO I-TI IN.,

N

-FFICIAL 3E OtL.',- 3EC,;';RI-WNRELTED INFORMA !ON C. Pardee 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 FederalRegulationssince it contains security-related information.

If-you.have any questions, please -contact me at-(301)-415-3204.

Sincerely, John D. Hughey, Project Manager Plant Licensing Branch 1-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-277 and 50-278

Enclosure:

Compact Disk with Peach Bottom Atomic Power Station, Unit Nos. 2 and 3 SDP Revision 2.1 and Site Specific Pre-Solved Spreadsheet Official Use Only -

Security Related Information cc w/o encl: See next page OrrICIAL= USE eNL'=' SECUlIT'-'RELATED INFOR~mATIN

OFFICIAL USE ONLY - nURI T-RE.LATED INFlIOMATION Peach Bottom Atomic Power Station, Unit Nos. 2 and 3 cc:

Site Vice President Board of Supervisors Peach Bottom Atomic Power Station Peach Bottom Township Exelon Generation Company, LLC 545 Broad Street Ext.

1848 Lay-Road. .. Deltal PA -17314-9203 Delta, PA 17314 Mr. Richard McLean

-P lant- Manager- -............ -- Power-Plant-and-Environmental Peach Bottom Atomic Power Station Review Division Exelon Generation Company, LLC Department of Natural Resources 1848 Lay Road B-3, Tawes State Office Building Delta, PA .17314 Annapolis, MD 21401 Regulatory Assurance Manager Dr. Judith Johnsrud Peach Bottom Atomic Power Station National Energy Committee Exelon Generation Company, LLC Sierra Club 1848 Lay Road 433 Orlando Avenue Delta, PA 17314 State College, PA 16803 Resident inspector Manager-Financial Control & Co-Owner U.S. Nuclear Regulatory Commission Affairs Peach Bottom Atomic Power Station Public Service Electric and Gas Company P.O. Box 399 P.O. Box 236 Delta, PA 17314 Hancocks Bridge, NJ 08038-0236 Regional Administrator, Region I Manager Licensing-Peach Bottom U.S. Nuclear Regulatory Commission Atomic Power Station 475 Allendale Road Exelon Generation Company, LLC King of Prussia, PA 19406 200 Exelon Way, KSA -3E Kennett Square, PA 19348 Mr. Roland Fletcher Department of Environment Vice President - Licensing and Regulatory Radiological Health Program Affairs 2400 Broening Highway Exelon Generation Company, LLC Baltimore, MD 21224 4300 Winfield Road Warrenville, IL 60555 Correspondence Control Desk Exelon Generation Company, LLC Vice President-Operations Mid-Atlantic P. 0. Box 160 Exelon Generation Company, LLC Kennett Square, PA 19348 200 Exelon Way, KSA 3-N Kennett Square, PA 19348 Director, Bureau of Radiation Protection Pennsylvania Department of Associate General Counsel Environmental Protection Exelon Generation Company, LLC Rachel Carson-State Office Building 4300 WinfieldRoad P.O. Box 8469 Warrenville, IL60555 Harrisburg, PA 17105-8469 OrIFF L S OL -S6UI -RELATED INOFMRMATiON

AFIIAl USE ONLY Ai - SECURITY' RELATED INrORIMATIOII .0ý Peach Bottom Atomic Power Station, Unit Nos. 2 and 3 cc:

Director-Licensing and Regulatory Affairs Exelon Generation Company, LLC 200 Exelon Way, KSA 3-E Kennett Square,_PA 19348.

P OrriplAL U3L ONLY SECURIT 1'-REL ATED

- ATED INIFORMA-1 INF~RwiAi ION