ML103630576

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Alternative Request Associated with Closure Plan for U.S. EPR Instrumentation and Control Communications Independence Issues
ML103630576
Person / Time
Site: Framatome
Issue date: 12/22/2010
From: Sloan S
AREVA NP
To:
Document Control Desk, Office of New Reactors
References
NRC:10:115
Download: ML103630576 (1)


Text

AR EVA December 22, 2010 NRC:10:115 Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Alternative Request Associated with Closure Plan for U.S. EPR Instrumentation and Control Communications Independence Issues Ref. 1: Letter, Sandra M. Sloan (AREVA NP Inc.) to Document Control Desk (NRC), "Closure Plan for U.S. EPR Instrumentation and Control Communications Independence Issues, Revision 4" NRC:10:109, November 23, 2010.

The integrated instrumentation and control (I&C) closure plan submitted by AREVA NP Inc.

(AREVA NP) in Reference 1 indicated that AREVA NP would submit by December 22, 2010, a request for an alternative to IEEE Std 603-1998 Clause 5.6.1 to satisfy 10 CFR 50.55a(h) requirements pursuant to 10 CFR 50.55a(a)(3)(i) regarding the Protection System (PS) functions which utilize measurements from the self-powered neutron detectors (SPNDs).

Subsequently, the topic of the PS SPND-based functions was discussed at an audit conducted by NRC staff on December 14, 2010. AREVA NP is evaluating feedback received from the NRC staff during that audit regarding the scope of information to be included in the alternative request and will provide a revised date for submittal of the alternative request by January 18, 2011.

If you have any questions related to this information, please contact me by telephone at (434) 832-2369 or by e-mail at sandra.sloan(@areva.com.

Sincerely, Sandra M. Sloan, Manager New Plants Regulatory Affairs AREVA NP Inc.

cc: G. Tesfaye Docket 52-020 AREVA NP INC. 7 O7 -L An AREVA and Siemens. company 3315 Old Forest Road, P.O. Box 10935. Lynchburg, VA 24506-0935 Tel.: (434) 832-3000 - Fax: (434) 832-3840 27OWA-¶ FORM: (,V4,12)