ML20059H957
| ML20059H957 | |
| Person / Time | |
|---|---|
| Issue date: | 10/26/1993 |
| From: | Wermiel J Office of Nuclear Reactor Regulation |
| To: | Schaumann WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP. |
| References | |
| NUDOCS 9311100282 | |
| Download: ML20059H957 (1) | |
Text
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October 26,1993 9.,x r+
9 LWestinghouseSavannahRiverCompany HLW Engineering Department-Building 2'l-120H Aiken, SC: 29808
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Dear Mr. Schaumann:
l Enclosed as you requested of the NRC staff during the NUSMG. Conference in Annapolis,.MD on October 21, 1993, is a copy of SECY-93-087, Policy,-
Technical, and Licensing Issues Pertaining to Evolutionary and Adv mced Light-Water Reactor (ALWR) Designs dated April 2, 1993, and the associated NRr' staff.
-requirements memorandum (SPM) dated July 21, 1993.
Issue II.Q, Defense y
.~ Against Common-Mode Failures in Digital Instrumentation and Control Systems is 4
the particular issue Mr. William Russell spoke about in his presentation at
'the NUSMG Conference.
I am also enclosing for your information a copy of i
Draft Guidance and Review Procedures that the NRC staff has devrSped to document its approach to advanced reactor digital system re 'iews and reviews of digital system retrofits to operating plants. We solicited comments on these latter documents during the September 13 and -14,1993 Digital Systems
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Workshop held by the NRC-in Rockville, MD.
If you have comments on them, please send them to me at MS 8H3 or contact me at (301) 504-2821.
Sincerely, Original signed by
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Jared S. Wermiel, Chief Instrumentation and Controls Branch
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Division of Reactor. Controls and Human Factors Office of' Nuclear Reactor Regulation
Enclosures:
As stated Distribution
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