ML20059H940
| ML20059H940 | |
| Person / Time | |
|---|---|
| Issue date: | 10/26/1993 |
| From: | Wermiel J Office of Nuclear Reactor Regulation |
| To: | Glidden DUQUESNE LIGHT CO. |
| References | |
| NUDOCS 9311100273 | |
| Download: ML20059H940 (1) | |
Text
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October 26,1993 i
l j
Duquesne Light i
Engineering Information Services Department Nuclear Group P.O. Box 321 Shippingport, PA 15077 a
Dear Mr. Glidden:
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, 1
Technical, and Licensing Issues Pertaining to Evolutionary and Advanced Light-Water Reactor (ALWR) Designs dated April 2, 1993, and the associated NRC staff requirements memorandum (SPM) dated July 21, 1993.
Issue II.Q, Defense Against Common-Mode Failures in Digital Instrumentation and Control Systems is 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
)
Draft Guidance and Review Procedures that the NRC staff has developed to document its approach to advanced reactor digital system reviews and reviews of digital system retrofits to operating plants. We solicited comments on 1
these latter documents during the September 13 and 14, 1993 Digital Systems 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.
I Sincerely, Original signed by Jared S. Wermiel, Chief Instrumentation and Controls Branch Division of Reactor Controls and Human Factors Office of Nuclear Reactor Regulation i
Enclosures:
As stated Distribution PDR HICB R/F J. Wermiel i
BC:HICB:DRCH J. Wermiel:lm 10/ /93 Name: NUSMG 05003u f'
D 9311100273 931026 PDR DRO NRRB PDR
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