ML073170326

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

ML073170326
Person / Time
Site:	Sequoyah
Issue date:	12/14/2007
From:	Moroney B NRC/NRR/ADRO/DORL/LPLII-2
To:	Campbell W Tennessee Valley Authority
Moroney B, NRR/DORL, 415-3974
Shared Package
ML072980694	List: ML073170326
References
TAC MD6415
Download: ML073170326 (4)

Text

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,Ix 1ktA ý UNITED. STATES-NUCLEAR RE GULATORYC COMMISSION

'WALSHINGTON, D.C. 290555-0001 gecember' 14, 2007 Mr. William R. Campbell, jr.

Chief Nuclear Officer and' Executive Vice President Tennessee ValleyAuthority 6A Lookout Place 1101 Market Street Chattanooga, TN 37402-2801-'

SUBJECT:

SEQUOYAH NUCLEAR PLANT - DISTRIBUTION OF REVISION 2 OF THE NRC'S SIGNIFICANCE DETERMINATION PROCESS RISK-NFORMED INSPECTION NOTEBOOKS, AND ACCOMPANYING PHASE 2 PRE-SOLVED TABLES (TAC NO. MD6415)

Dear Mr. Campbell:

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 Sequoy6h Nuclear Plant (Sequoyah). The NRC developed these notebooks to facilitate Phase 2 of the NRC inspection finding signification 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 expectedto 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.

W. Campbell 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 securityN-related information.

If you have any questions, please contact me at (301) 415-3974.

Sincerely, Brendan T. Moroney, Project a ager Plant Licensing Branch 11-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-327 and 50-328

Enclosure:

Compact Disk with Sequoyah SDP Revision 2 and Site Specific Pre-Solved Spreadsheet Official Use Only - Security Related Information, cc w/o enclosure: See'next page

William R. Cam pbel, Jr. SEQUOYAH NUCLEAR PLANT Tennessee Valley Authority cc:.

Mr. Ashok S. Bhatnagar Mr. James D. Smith, Manager

-Senir Vice .President Licensing and Industry Affairs Nuclear Generation Development Sequoyah Nuclear Plant and Construction Tennessee Valley Authority Tennessee Valley Authority P.O. Box 2000 6A Lookout Place Soddy Daisy, TN 37384-2000 1,101 Market Street Chattanooga, TN 37402-2801 Mr. Christopher R. Church, Plant Manager Sequoyah Nuclear Plant

.. Mr. James R. Douet Tennessee Valley Authority Senior Vice President P.O. Box 2000 Nuclear Support Soddy Daisy, TN 37384-2000 Tennessee Valley Authority 3R Lookout Place *Senior Resident Inspector 1101 Market Street Sequoyah Nuclear Plant Chattanooga, TN 37402-2801 U.S. Nuclear Regulatory Commission 2600 Igou Ferry Road Mr. .H. Rick Rogers Soddy Daisy, TN 37379 Interim Vice President Nuclear Engineering & Technical Services Mr. Lawrence E. Nanney, Director Tennessee Valley Authority TN Dept. of Environment & Conservation 3R Lookout Place Division of Radiological Health 1101 Market Street Third Floor, L and C Annex

-* .Chattanooga, TN 37402-2801 401 Church Street Nashville, TN 37243-1532

• • Mr. Timothy P. Cleary, Site Vice President Sequoyah Nuclear Plant County Mayor Tennessee Valley Authority Hamilton County Courthouse P.O. Box 2000 Chattanooga, TN 37402-2801 Soddy Daisy, TN 37384-2000 Mr. Larry E. Nicholson, General Manager GeneralCounsel Performance Improvement Tennessee Valley Authority. Tennessee Valley Authority 6A West Tower 4X Blue Ridge 400 West Summit Hill Drive 1101 Market Street Knoxville, TN 37902 Chattanooga, TN 37402-2801 Mr. John C. Fornicola, Manager Ms. Ann P. Harris Nuclear Assurance 341 Swing Loop Road Tennessee Valley Authority Rockwood, TN 37854 3R Lookout Place 1101 Market Street Chattanooga, TN 37402-2801 Ms. Beth A. Wetzel, Manager Corporate Nuclear Licensing and Industry Affairs Tennessee Valley Authority 4X Blue Ridge 1101 Market Street Chattanooga, TN 37402-280.1

• w/enclosure

ML072980716 (Non-public Letter) PKG:ML072980694 NRR-106 ML: 073170326 (Public Letter) ML071700499 (Notebook) ML071700500 (Spreadsheet)

'OFFICE LPL2-2/PM LPL2-2/PM LPL2-2/LA LPL2-2/BC NAME JBowen Bloroneygf RSolaj-,fJ - TBoyce , .

DATE 11, /07 11'/if./07 11'g/007