ML20236P124

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Responds to Transmitting Righetti Ltr,Urging Immediate Issuance of OL on Temporary Basis for Diablo Canyon Nuclear Power Plant & Questioning Value of Laws That Require Nearly Four Years to Compile Info to Issue OL
ML20236P124
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 06/13/1977
From: Dircks W
NRC OFFICE OF THE EXECUTIVE DIRECTOR FOR OPERATIONS (EDO)
To: Lagomarsino R
HOUSE OF REP.
Shared Package
ML20236J368 List: ... further results
References
FOIA-87-214 NUDOCS 8708120226
Download: ML20236P124 (3)


Text

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q s JUN 18 IFF Docket nos. 50-275 and 50-323 The Honoraole Robert Lagmarsino United States House of Representatives ,

Washingtoh, D. C. 20515  !

Dear Congressman Lagmarsinos I am pleased to respond to your letter of May 19, 1977, to Mr. Ben Rusche.

Your letter forwarded correspondence from your constituent, Mr. Eighetti, who urged immediate issuance of an operating license on a temporary basis for the Diablo Canyon Nuclear Power Plant. He also questioned the value of laws that require nearly four years to compile adequate information to i issue an operating license.

First, let me discuss the present status of the Diablo Canyon coerating license application. Since last year, construction has been essentially completed for the first of the two units at this site. Also, since.last year, the plant's owner, Pacific Gas and Electric Company (IGE), has been {'

performing an engineering analysis to determine what modifications may be necessary to ensure that the plant can withstand a more severe earthquake than the ones for which it was originally designed. Tnis analysis is time conmraing and will not be completed in time to support a decision on the operating license before the summer of 1978. [A decision on an operating license would be n.ade only after reviews by the NRC staff and the Advisory Ccanittee on Reactor Saf eguarcs (ACRS) are completed and the Atomic Safety On3 Licensinq Board (ASLB) has considered the matter at public hearings.]

l On the other hand, it might be possible to reach a decision on an interim operating license by the end of 1977. This possible approach and the technical information that would be needed to justify it were outlined in a letter  ;

to the California Energy Resources Conservation end Develo;raent Corcission {

l on March 18, 1977, (Enclosure 1). PC&E has indicated that it will apply for such an interim license and provice the required technical information at the earliest practical date.

I As to the delay, the Diablo Canyon oparating license application has been 3 uncer review since October 1973, which is an exceptionally long time. The i aelay has been due to the time necessary to resolve seismic safety questions.  !

The first two years of the review were consumed in investigating and evaluating l l

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The Honorable Robert Lagamarsino -

2-l the newly discovered Hoegri fault that runs about 31/2 miles offshore from the plant. The imC staff and U. 8. Geological Survey evaluations then indicated that the maximum potential earthquake at the site could be substantially more severe than that for which the plant has been originally designed, necessitating the analysis that is currently underway.

I tr.at you will find this information responsive to Mr. Righetti's concerns.

Sincerely, a JSigned) William J. Dircks William J. Dircks Assistant Executive Director for Operations l

Enclosure:

1. Letter to Errergy Eesources l conservation ana Develognent Cccnission

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