ML080850090

Distribution of Revision 2 of the Nrc'S Significance Determination Process Risk-Informed Inspection Notebook, and Accompanying Phase 2 Pre-Solved Tables (Public Version)

ML080850090
Person / Time
Site:	Catawba
Issue date:	04/09/2008
From:	Stang J NRC/NRR/ADRO/DORL/LPLII-1
To:	Morris J Duke Power Co
Stang, JF, NRR/DORL/LPD II-1, 415-1345
Shared Package
ML080850071	List: ML080850090
References
TAC MD6415
Download: ML080850090 (4)

Text

OFFICIAL USE ONLY SECURITY RELATED INFORMATION 0

UNITED STATES NUCLEAR7 REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 April 9, 2008 Mr. J1 R. Morris Site Vice President Catawba Nuclear Station Duke Power Company LLC 4800 Concord Road York, SC 29745

SUBJECT:

CATAWBA NUCLEAR STATION, UNITS 1 AND 2 - DISTRIBUTION OF REVISION 2 OF THE NRC'S SIGNIFICANCE DETERMINATION PROCESS RISK-INFORMED INSPECTION NOTEBOOK, AND ACCOMPANYING PHASE 2 PRE-SOLVED TABLES (TAC NO. MD6415)

Dear Mr. Morris:

In 2004, the U.S. Nuclear Regulatory Commission (NRC) staff requested information from licensees to support the Significance Determination Process Risk-Informed Inspection Notebook (notebook) enhancement/standardization effort. The NRC has completed this effort and has issued Revision 2 of the notebook for Catawba Nuclear Station, Units 1 and 2. The NRC developed the notebook to facilitate Phase 2 of the NRC inspection finding significance determination process detailed in Inspection Manual Chapter 0609, "Significance Determination Process (SDP)," Appendix A, "Determining the Significance of Reactor Inspection Findings for At-Power Situations."

SECY 99 007A, "Recommendations for Reactor Oversight Process Improvements," set 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 the notebook. The notebook will be. updated on a case-by-case basis as needed to reflect changes to the facilities.

Revision 2 of the notebook 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 notebook against licensee probability risk assessments and plant configurations. The enclosed compact disk containing the above document is provided for your use to facilitate your understanding of the significance determination process in Inspection Manual Chapter 0609, "Significance Determination Process."

The enclosure transmitted herewith contains security-related information.

When separated from the enclosure, this document is decontrolled.

OFFICIAL USE ONLY SECURITY -,ELATED INFO.,MAT'.N .v.-

-OFFlICIALv= USE- ONLY -SEGU RITY-RE"LATED INFORMVAT-lON 3 J. Morris The enclosure to this letter 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) 415-1345.

Sincerely, John Stang, oroject Manager Plant Licensing Branch I1-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-413 and 50-414-

Enclosure:

CD-R with Catawba Nuclear Station, Units.1 and 2 SDP Revision 2 Official Use Only - Security-Related Information cc w/o encl: See next page The enclosure transmitted herewith contains security-related information.

When separated from the enclosure, this document is decontrolled.

OFFICIAL USE ONLY SEUf-ITY fELATEB INFORMATI*N

Catawba Nuclear Station, Units 1 & 2 Page 1 of 2 cc:

Site Vice President Senior Resident Inspector Catawba Nulcear Station U.S. Nuclear Regulatory Commission Duke Power' Company, LLC 4830 Cn6cord Road 4800 Concord Road York, South Carolina 29745 York, SC 29745 Assistant Director Associate General Counsel and Managing Division of Waste Management Attorney Bureau of Land and Waste Management Duke Energy Carolinas, LLC Dept. of Health and Environmental Control 526 South Church Street - EC07H 2600 Bull Street Charlotte, North Carolina 28202 Columbia, South Carolina 29201-1708 Regulatory Compliance Manager Duke Energy Corporation Nuclear Regulatory Issues 4800 Concord Road and Industry Affairs York, South Carolina 29745 Duke Energy Corporation, 526 South Church Street North Carolina Municipal Power Mail Stop EC05P Agency Number 1 Charlotte, North Carolina 28202 1427 Meadowwood Boulevard P.O. Box 29513 Saluda River Electric Raleigh, North Carolina 27626 P.O. Box 929 Laurens, South Carolina 29360 County Manager of York County York County Courthouse Vice President York, South Carolina 29745 Customer Relations and Sales Westinghouse Electric Company Piedmont Municipal Power Agency 6000 Fairview Road 121 Village Drive 12th Floor Greer, South Carolina 29651 Charlotte, North Carolina 28210 Assistant Attorney General Owners Group (NCEMC)

North Carolina Department of Justice Duke Energy Corporation P.O. Box 629 4800 Concord Road Raleigh, North Carolina 27602 York, South Carolina 29745 NCEM REP Program Manager Senior Counsel 4713 Mail Service Center Duke Energy Carolinas, LLC Raleigh, North Carolina 27699-4713 526 South Church Street - EC07H Charlotte, ,NC 2-2012 North Carolina Electric Membership Corp.

P.O. Box 27306.

Raleigh, North Carolina 27611

Catawba Nuclear Station, Units 1 & 2 Page 2 of 2 cc:

Division of Radiation Protection.

NC Dept.. of Environment, Health, and Natural Resources 3825 Barrett -Drive Raleigh, North Carolina 27609-7721 Group Vice President, Nuclear Generation and Chief Nuclear Officer P.O. Box 1006-EC07H Charlotte, NC 28201-1006