ML072980010

(Public) Distribution of Revision 2 of the NRCs Significance Process Risk-Informed Inspection Notebooks, and Accompanying Phase 2 Pre-Solved Tables

ML072980010
Person / Time
Site:	Arkansas Nuclear
Issue date:	10/31/2007
From:	Wang A NRC/NRR/ADRO/DORL/LPLB
To:	Mitchell T Entergy Operations
Wang, A B, NRR/DORL/LPLIV, 415-1445
Shared Package
ML072980009	List: ML072980010
References
TAC MD6415
Download: ML072980010 (4)

Text

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.NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 October 31, 2007 Mr. Timothy G. Mitchell Vice President, Operations Arkansas Nuclear One Entergy Operations, Inc.

1448 S. R. 333 Russellville, AR 72802

SUBJECT:

ARKANSAS NUCLEAR ONE, UNITS 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. Mitchell:

In 2004, the U.S. Nuclear Regulatory Commission (NRC) 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 Arkansas Nuclear One, Units 1 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," 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 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 significance determination process (SDP) in Inspection Manual Chapter 0609.

The enclosure transmitted herewith contains Security-Related information.

When separated from enclosure, this document is decontrolled.

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kI leviAeIZIl T. 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 Federal Regulations since it contains security-related information.

If you have any questions, please contact me at (301) 415-1445.

Sincerely, Alan B. Wang, Project Manager Plant Licensing Branch Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation Docket Nos. 50-313 and 50-368

Enclosure:

Compact Disk with Arkansas Nuclear One, Units 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

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Arkansas Nuclear One cc:

Senior Vice President Entergy Nuclear Operations P.O. Box 31995 Jackson, MS 39286-1995 Senior Vice President

& Chief Operating Officer Entergy Operations, Inc.

P.O. Box 31995 Jackson, MS 39286-1995 Vice President, Operations Support Entergy Operations, Inc.

P.O. Box 31995 Jackson, MS 39286-1995 Site Vice President Entergy Operations, Inc.

Arkansas Nuclear One 1448 S.R. 333 Russellville, AR 72802 General Manager Plant Operations Entergy Operations, Inc.

Arkansas Nuclear One 1448 SR 333 Russellville, AR 72802 Director, Nuclear Safety & Licensing Entergy Services, Inc.

440 Hamilton Avenue White Plains, NY 10601 Director, Nuclear Safety Assurance Entergy Operations, Inc.

Arkansas Nuclear One 1448 SR 333 Russellville, AR 72802 Senior Manager, Nuclear Safety

& Licensing Entergy Operations, Inc.

1340 Echelon Parkway Jackson, MS 39213-8298 Manager, Licensing Entergy Operations, Inc.

Arkansas Nuclear One 1448 SR 333 Russellville, AR 72802 Section Chief, Division of Health Radiation Control Section Arkansas Department of Health and Human Services 4815 West Markham Street, Slot 30 Little Rock, AR 72205-3867 Section Chief, Division of Health Emergency Management Section Arkansas Department of Health and Human Services 4815 West Markham Street, Slot 30 Little Rock, AR 72205-3867 County Judge of Pope County Pope County Courthouse 100 W. Main Street

-Russellville, AR 72801 Senior Resident Inspector U.S. Nuclear Regulatory Commission P.O. Box 310 London, AR 72847 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-8064

Public PKG: ML072980009, Public Letter ML072980010, ANO-1 Non-Public Pkg ML071700014, Non-Public Letter ML072630035, Non-Public Notebook ML071700015, NON-Public Spreadsheet ML071700020 ANO-2 Non-Public Pkg ML071700021, Non-Public Letter ML072630035, Non-Public Notebook ML071700022, NON-Public Spreadsheet ML071700023 OFFICE NRR/LPL4/PM NRR/LPL4/LA NRR/LPL4/BC NAME AWang JBurkhardt

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