ML073520054

Distribution of Revision 2.1 of the NRCs 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 Il I

ý~~I A

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 Exelon Generation Company, LLC

-- 3O00 W infield-R oad -................................

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-d etiled s

in ;Inspecion 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. The notebooks will be updated on a case-by-case basisas needed to reflect changes to the facilities.

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 IO R

TI IN.,

I-

-FFICIAL N

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 Federal Regulations since 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 Peach Bottom Atomic Power Station Exelon Generation Company, LLC 1848 Lay-Road.

Delta, PA 17314

-P lant-M anager-Peach Bottom Atomic Power Station Exelon Generation Company, LLC 1848 Lay Road Delta, PA.17314 Regulatory Assurance Manager Peach Bottom Atomic Power Station Exelon Generation Company, LLC 1848 Lay Road Delta, PA 17314 Resident inspector U.S. Nuclear Regulatory Commission Peach Bottom Atomic Power Station P.O. Box 399 Delta, PA 17314 Regional Administrator, Region I U.S. Nuclear Regulatory Commission 475 Allendale Road King of Prussia, PA 19406 Mr. Roland Fletcher Department of Environment Radiological Health Program 2400 Broening Highway Baltimore, MD 21224 Correspondence Control Desk Exelon Generation Company, LLC P. 0. Box 160 Kennett Square, PA 19348 Director, Bureau of Radiation Protection Pennsylvania Department of Environmental Protection Rachel Carson-State Office Building P.O. Box 8469 Harrisburg, PA 17105-8469 OrIFF L S OL

-S6UI Board of Supervisors Peach Bottom Township 545 Broad Street Ext.

Deltal PA -17314-9203 Mr. Richard McLean

-- Power-Plant-and-Environmental Review Division Department of Natural Resources B-3, Tawes State Office Building Annapolis, MD 21401 Dr. Judith Johnsrud National Energy Committee Sierra Club 433 Orlando Avenue State College, PA 16803 Manager-Financial Control & Co-Owner Affairs Public Service Electric and Gas Company P.O. Box 236 Hancocks Bridge, NJ 08038-0236 Manager Licensing-Peach Bottom Atomic Power Station Exelon Generation Company, LLC 200 Exelon Way, KSA -3E Kennett Square, PA 19348 Vice President - Licensing and Regulatory Affairs Exelon Generation Company, LLC 4300 Winfield Road Warrenville, IL 60555 Vice President-Operations Mid-Atlantic Exelon Generation Company, LLC 200 Exelon Way, KSA 3-N Kennett Square, PA 19348 Associate General Counsel Exelon Generation Company, LLC 4300 WinfieldRoad Warrenville, IL 60555

-RELATED INOFMRMATiON

AFIIAl Ai USE ONLY - SECURITY' RELATED INrORIMATIOII 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.

.0ý OrriplAL U3L ONLY - SECURIT 1'-REL ATED INF~RwiAi ION P

ATED INIFORMA-1