ML043090028

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Withdrawal of Defense-in-Depth and Diversity Assessment for Digital Upgrade of Instrumentation and Control Systems
ML043090028
Person / Time
Site: Wolf Creek Wolf Creek Nuclear Operating Corporation icon.png
Issue date: 11/08/2004
From: Donohew J
NRC/NRR/DLPM/LPD4
To: Muench R
Wolf Creek
Donohew J N, NRR/DLPM,415-1307
References
TAC MC2286, WO 04-0002
Download: ML043090028 (3)


Text

November 8, 2004 Mr. Rick A. Muench President and Chief Executive Officer Wolf Creek Nuclear Operating Corporation Post Office Box 411 Burlington, KS 66839

SUBJECT:

WOLF CREEK GENERATING STATION - WITHDRAWAL OF DEFENSE-IN-DEPTH AND DIVERSITY ASSESSMENT FOR DIGITAL UPGRADE OF INSTRUMENTATION AND CONTROL SYSTEMS (TAC NO. MC2286)

Dear Mr. Muench:

By letter dated March 3, 2004 (WO 04-0002), you submitted a defense-in-depth and diversity (D3) assessment for the Framatome Advanced Nuclear Power (FANP) TELEPERM XS system to be installed in the Wolf Creek Generating Station (WCGS). The D3 assessment was submitted in a proprietary and a non-proprietary version. The FANP TELEPERM XS system was to replace the current analog-based instrumentation and control (I&C) systems, including the reactor trip system and engineered safety features actuation systems, with a digital-based system, and the D3 assessment was to support license amendment requests for the planned I&C system replacements at WCGS. This D3 assessment was submitted jointly with the Union Electric Company, and review of this D3 assessment was requested by December 1, 2004.

A meeting that included representatives of the Union Electric Company was held on April 15, 2004, in which the NRC staff recommended that your staff consider submitting an alternative to the D3 assessment if approval was needed by December 1, 2004. The meeting summary was issued by the NRC on April 22, 2004. A letter accepting the proprietary information submitted in the letter of March 3, 2004, was issued by the NRC on April 22, 2004.

In the letter of October 13, 2004 (WM 04-0042), your staff stated that, based in part on the discussion in the April 15, 2004, meeting, it has decided to withdraw the D3 assessment. In addition, the implementation schedule for the FANP TELEPERM XS modifications at WCGS has been postponed. Based on the letter of October 13, 2004, we have closed out our review of the D3 assessment of the FANP TELEPERM XS system and TAC No. MC2286 is closed.

Sincerely,

/RA/

Jack Donohew, Senior Project Manager, Section 2 Project Directorate IV Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket No. 50-482 cc: See next page

November 8, 2004 Mr. Rick A. Muench President and Chief Executive Officer Wolf Creek Nuclear Operating Corporation Post Office Box 411 Burlington, KS 66839

SUBJECT:

WOLF CREEK GENERATING STATION - WITHDRAWAL OF DEFENSE-IN-DEPTH AND DIVERSITY ASSESSMENT FOR DIGITAL UPGRADE OF INSTRUMENTATION AND CONTROL SYSTEMS (TAC NO. MC2286)

Dear Mr. Muench:

By letter dated March 3, 2004 (WO 04-0002), you submitted a defense-in-depth and diversity (D3) assessment for the Framatome Advanced Nuclear Power (FANP) TELEPERM XS system to be installed in the Wolf Creek Generating Station (WCGS). The D3 assessment was submitted in a proprietary and a non-proprietary version. The FANP TELEPERM XS system was to replace the current analog-based instrumentation and control (I&C) systems, including the reactor trip system and engineered safety features actuation systems, with a digital-based system, and the D3 assessment was to support license amendment requests for the planned I&C system replacements at WCGS. This D3 assessment was submitted jointly with the Union Electric Company, and review of this D3 assessment was requested by December 1, 2004.

A meeting that included representatives of the Union Electric Company was held on April 15, 2004, in which the NRC staff recommended that your staff consider submitting an alternative to the D3 assessment if approval was needed by December 1, 2004. The meeting summary was issued by the NRC on April 22, 2004. A letter accepting the proprietary information submitted in the letter of March 3, 2004, was issued by the NRC on April 22, 2004.

In the letter of October 13, 2004 (WM 04-0042), your staff stated that, based in part on the discussion in the April 15, 2004, meeting, it has decided to withdraw the D3 assessment. In addition, the implementation schedule for the FANP TELEPERM XS modifications at WCGS has been postponed. Based on the letter of October 13, 2004, we have closed out our review of the D3 assessment of the FANP TELEPERM XS system and TAC No. MC2286 is closed.

Sincerely,

/RA/

Jack Donohew, Senior Project Manager, Section 2 Project Directorate IV Division of Licensing Project Management Office of Nuclear Reactor Regulation Docket No. 50-482 DISTRIBUTION PUBLIC RidsNrrDlpmPdiv(HBerkow) cc: See next page PDIV-2 Reading RidsNrrDlpmPdiv2 (RGramm)

RidsNrrPMJDonohew RidsNrrLAEPeyton RidsOgcRp RidsAcrsAcnwMailCenter RidsRegion4MailCenter (D. Graves) EMarinos ACCESSION NO.: ML043090028 NRR-106 OFFICE PDIV-2/PM PDIV-2/LA EEIB-A/SC PDIV-2/SC NAME JDonohew:mp EPeyton Emarinos RGramm SDembek DATE 11/8/04 11/4/04 11/8/04 11/8/04 DOCUMENT NAME: E:\\Filenet\\ML043090028.wpd OFFICIAL RECORD COPY

Wolf Creek Generating Station cc:

Jay Silberg, Esq.

Shaw Pittman, LLP 2300 N Street, NW Washington, D.C. 20037 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-7005 Senior Resident Inspector U.S. Nuclear Regulatory Commission P.O. Box 311 Burlington, KS 66839 Chief Engineer, Utilities Division Kansas Corporation Commission 1500 SW Arrowhead Road Topeka, KS 66604-4027 Office of the Governor State of Kansas Topeka, KS 66612 Attorney General 120 S.W. 10th Avenue, 2nd Floor Topeka, KS 66612-1597 County Clerk Coffey County Courthouse 110 South 6th Street Burlington, KS 66839 Vick L. Cooper, Chief Air Operating Permit and Compliance Section Kansas Department of Health and Environment Bureau of Air and Radiation 1000 SW Jackson, Suite 310 Topeka, KS 66612-1366 Site Vice President Wolf Creek Nuclear Operating Corporation P.O. Box 411 Burlington, KS 66839 Superintendent Licensing Wolf Creek Nuclear Operating Corporation P.O. Box 411 Burlington, KS 66839 U.S. Nuclear Regulatory Commission Resident Inspectors Office/Callaway Plant 8201 NRC Road Steedman, MO 65077-1032