ML19317G873

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Discusses NRC Program to Develop Improved Technical Bases for Specifying Allowable Outage Time for safety-related Equipment.Util Requested to Advise NRC of Willingness to Participate in Program
ML19317G873
Person / Time
Site: Rancho Seco
Issue date: 07/31/1978
From: Reid R
Office of Nuclear Reactor Regulation
To: Mattimoe J
SACRAMENTO MUNICIPAL UTILITY DISTRICT
References
NUDOCS 8004020535
Download: ML19317G873 (2)


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July 31, 1978

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ORB #4 Reading Docket flo. 50-312 VStello BGrimes/TCarter lip}M:f

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RtlReid GZwetzig RIngram

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Sacramento Municipal Utility District 0 ELD

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ATTN: Mr. J. J. Mattimoe 01&E(3) r; Assistant General Manager DEisenhut E====

and Chief Engineer TAbernathy CBerlinger

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6201 S Street JBuchanan GLanik P. O. Box 15830 ACRS(16) i====-

Sacramento, Californ.a 95813 Gray file g

  1. ==n Gentlemen:

. =Rgr In recent telephone conversations between Messrs. G. Zwetzig and E===

C. Berlinger of the NRC staff and Mr. D. Raasch of your organization, WE=-

we have described an NRC-funded development program entitled " Limiting jEEE -

Conditions for Operations." The purpose of this program is to develop,

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using fault-tree and probabilistic analysis techniques, improved technical bases for specifying allowable outage times for safety-

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related equipment.

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b.I This program will be conducted by a consulting organization under contract awarded by the NRC.

In order for the contractor to obtain 6==....

accurate first-hand data for use in his analysis, the cooperation of

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a few nuclear utilities is needed. The possibility of obtaining such cooperation from SMUD was also discussed with Mr. Raasch. After dis-

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cussing the input needed from the utility, the schedule for the study and the benefits of cooperation, which include the opportunity to gain plgg; familiarity with the analytical technique and the opportunity to review

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and comment on the contractor's report prfor to publication, Mr. Raasch

.==j indicated that SMUD would be willing to cooperate in such an effort.

gf Accordingly, in order that we may formalize the provisions of the contract iEE.

that is to bt. awarded, we would appreciate it if you would advise us in

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writing at your earliest opportunity of your willingness to participate f,.. -

in this program.

L Sincerely, E....

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.===q Robert W. Reid, Chief

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Sacramento Municipal Utility District

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David S. Kaplan, Secretary and General Counsel 6201 S Street Post Office Box 15830 Sacramento, California 95813 ggif :q Business and Municipal Department Sacramento City-County Library 828 I Street

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Sacramento, California' 95814 fil:

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