ML20045B110

Expresses Gratitude for Re GSI B-56, Diesel Reliability. States That Staff Will Proceed to Revise SBO Rule (10CFR50.63) & RG 1.9,rev 3 (Proposed) in Response to SRM

ML20045B110
Person / Time
Issue date:	08/23/1991
From:	Sniezek J NRC OFFICE OF THE EXECUTIVE DIRECTOR FOR OPERATIONS (EDO)
To:	Colvin J NUCLEAR ENERGY INSTITUTE (FORMERLY NUCLEAR MGMT &
Shared Package
ML20042D089	List: ML20042D088 ML20042D090 ML20042D091 ML20042D138 ML20044B419 ML20044B420 ML20044B433 ML20044B468 ML20045A794 ML20045A798 ML20045A799 ML20045A871 ML20045A872 ML20045A873 ML20045A878 ML20045A948 ML20045A951 ML20045A953 ML20045A961 ML20045A966 ML20045A975 ML20045B104 ML20045B110 ML20045B122 ML20045B130 ML20045B151 ML20045B171 ML20045B191 ML20045B197 ML20045B205 ML20045B209 ML20045B212 ML20045B216 ML20045B221 ML20045B262 ML20045B268 ML20045B272 ML20045B280 ML20045B288 ML20045B309 ML20045B360 ML20045B378
References
FRN-57FR14514, REF-GTECI-B-56, REF-GTECI-EL, RTR-REGGD-01.009, RTR-REGGD-1.009, RULE-PR-50, TASK-B-56, TASK-OR AE06-1-044, AE6-1-44, NUDOCS 9306160297
Download: ML20045B110 (1)

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August 23, 1991 Mr. Joe F. Colvin Executive Vice President and Chief Operating Officer Nuclear Management and Resources Council 1776 Eye Street, N.W., Suite 300 Washington, DC 20006-2496

Dear Mr. Colvin:

Thank you for your August 5,1991 letter regarding Generic Safety Issue B-56,

" Diesel Reliability." The staff is proceeding to revise the station blackout rule (10 CFR 50.63) and Regulatory Guide 1.9, Revision 3 (proposed) in response to the Staff Requirements Memorandum dated June 26, 1991.

Current schedules call for them to be issued for public comment early next year.

Accelerated testing is an integral part of this planned rule revision and will reflect the approach outlined in NUMARC's Initiative SA (which has been discussed with NUMARC's B-56 Working Group).

With respect to NUMARC's effort related to performance-based regulations on emergency diesel generator reliability, the cognizant NRC contact is Aleck W. Serkiz (301-492-3942).

In a manner similar to meetings with NUMARC's B-56 Working Group, we would plan for advance public meeting notification and issuance of meeting minutes.

Please contact Mr. Serkiz if you would like to meet with the staff on this topic.

Sincerely, Original signed by James H. Sniezek James H. Sniezek Deputy Executive Director for Nuclear Reactor Regulation, Regional Operations and Research

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