ML17083A992

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Forwards Draft Commission Paper & Proposed Fr Notice of Potential AO Re Seismic Design Errors at Facility Which Resulted in 811119 Suspension of Unit 1 Fuel Load & Low Power Ol.Review,Comments & Concurrences Requested by 820212
ML17083A992
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 02/05/1982
From: Michelson C
NRC OFFICE FOR ANALYSIS & EVALUATION OF OPERATIONAL DATA (AEOD)
To: Jennifer Davis, Harold Denton, Minogue R
NRC OFFICE OF NUCLEAR MATERIAL SAFETY & SAFEGUARDS (NMSS), Office of Nuclear Reactor Regulation, NRC OFFICE OF NUCLEAR REGULATORY RESEARCH (RES)
Shared Package
ML17083A991 List:
References
NUDOCS 8203040032
Download: ML17083A992 (4)


Text

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UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555

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Carlyle M>chelson, 0>rector Office for Analy'sis and Evaluation of Operational

",Data PROPOSED ABNORMAL OCCURREHCE - SEISMIC DESIGN ERRORS AT DIABLO CANYON NUCLEAR POWER PLANT

SUBJECT:

a MEMORANDUM FOR:

Harold R. Denton, Director, NRR John G. Davis, Director, HMSS Robert B. Minogue, Director, RFS Richard C.

DeYoung, Director, IE Guy H. Cunningham, Executive Legal Director Joseph J.

Fouchard, Director, PA Robert H. Engelken, Regional Administrator, Region V

FROM:

Enclosed is a draft Commission Paper with a proposed Federal Register Notice in regard to a potential abnormal occurrence pertalnlng to t e seismic design errors at the Diablo Canyon Nuclear Power Plant with the subsequent suspension of the fuel load and low power operating license of Unit 1 on November 19, 1981.

The enclosed writeup is based on that provided by Region V.

AEOD recommends the item as an abnormal occurrence based on one of the general criteria of the Abnormal Occurrence Policy Statement; i.e.,

major deficienci es in design, construction, use of, or management controls for licensed facilities or material can be considered an abnormal occurrence.

It should also be noted that the Commissioners, in their approval of the Third quarter CY1981 AO Report, suggested the item as an abnormal occurrence for the Fourth quarter CY1981 AO Report.

Your review,

comments, and written (or telephone) concurrence are requested by close of business, February 12, 1982.

The contacts in my office are Paul Bobe or Jack Crooks at 492-4426 and 492-4425, respectively.

( 8203040032'202ib PDR ADDCK 05000275 IP PDR QC -i

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Multipg. Addressees FFH 05 l'8P.

AEOD will arrange for an informal briefing for Commissioner Gilinsky, if he should request it. If such a bri efing is required, suggested participants are NRR, Region V, and AE00, with NRR giving the briefing.

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<<k Enclosur'e:

Draft Commission Paper cc w/enclosure:

M. Dircks, EDO T. A. Rehm, AO/EDO T. Hurley, CRGR D.

G. Eisenhut, NRR E. Brach, IE (6)

R. L. Former, ELD G.

G. Beveridge, NMSS J.

Murphy, RES R. L. O'onnell, NMSS R.

H. Gramann, NMSS F.

Ingram, PA G.
Holahan, NRR (3)

R.

C..

Haynes, Region I J. O'Reilly, Region II J.

G. Keppler, Region III J.

T. Collins, Region IV

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Carlyle Michelson, Director Office for Analysis and Evaluation of Operational Data