ML19257D775

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Discusses NRC 800131 Telcon Re Review of Technical Implications of Turbine Rotor Disc Cracks.Considers Problem to Be Operational Decision,Not Safety Issue.Nrc Agreed to Continue Operation of Unit 2 Until Review Is Completed
ML19257D775
Person / Time
Site: Zion  File:ZionSolutions icon.png
Issue date: 01/31/1980
From: Peoples D
COMMONWEALTH EDISON CO.
To: Reeves E
Office of Nuclear Reactor Regulation
References
NUDOCS 8002060412
Download: ML19257D775 (1)


Text

Commonwealth Edison One First National Plaza. Chicago. Ilhnois Address Reply to: Post Othee Box 767 Chicago, Illinois 60690 January 31, 1980 Mr. Edward Reeves Project Manager ORB 1 Mail Stop 316 U.S.

Nuclear Regulatory Commission Washington, DC 20555

Subject:

Operation of the Turbines at Zion Units 1 and 2 NRC Docket Nos. 50-295 and 50-304 Reference (a):

January 23, 1980 from D.

L.

Peoples to E.

Reeves

Dear Mr. Reeves:

In a January 31, 1980 conference call, Commonwealth Edison Company and NRC Staf f representatives discussed th e status of the NRC Staf f review of the technical implica tions of turbine rotor disc cracks for Zion Units 1 and 2, specifically with regard to continued operation of Zion Unit 2 until its May 2, 1980 shutdown date for refueling.

The conferees were:

NRC CECO.

E.

Reeves D.

L.

Peoples W. J. Ross P.

K. Colvert R.

J. Tamminga W.

F.

Naughton Commonwealth Edison reiterated its position that this is not a safety issue but a Company operational decision.

It is not, in the Company's opinion, an issue which would impair the health and safety of tha public.

As a result of additional discussions with Westinghouse and further review of the current information and analyses related to predicting crack growth, the NRC Staf f modified its position, delineated in Reference (a), with regard to the operation of Zion Unit 2.

Basically, the NRC Staff stated t. hat Zion _ Unit 2 could continue to operate, even after Zion Unit 1 returned to full p itsreviewofthetechniqd)2i3s@g while the NRC Staff completes associated with turbine cracks.

Very truly yours, 1929 003 j@OOl D.

L.

Peoples

/

Director of Nuclear Licensing

//O DLP:WFN: rap 8002060