ML20084S741

Telecopy Ao:On 750623,vacuum Breaker 2-1601-31A Exceeded Tech Spec Limit.Vacuum Braker Locked Closed Per Tech Spec 3.7.A.3.6.Further Info to Be Provided in AO 50-265/75-20

ML20084S741
Person / Time
Site:	Quad Cities
Issue date:	06/24/1975
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084S739	List: ML20084S735 ML20084S741
References
NJK-75-334, NUDOCS 8306170206
Download: ML20084S741 (1)

Text

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i- , O CosswnonweaHh Edison J

Quad-Citres Nuclear Power Statoa

j Post Office Box 216

5 Cordova. Imnoss 61242 Telephone 339e654 2241

.. NJK-75-334 -

I Tolecopy: Region Ii!. Attention: Nr. C. Feterabend

June 24. 1975 \

l -

i l J. Keppler, Regional Director .

Directorate of Regulatory Operations i Regior; lli I U. S. Nuclear Regulatory Coassission '

[ 799 Roosevelt Road Glen Ellyn, I!!!nois 60137 Reforence: Quad-Cities Nuclear Power Station l

Docket No. 50-265, DPR-30

. Appendix A, Sections I .O. A.5, 3.7. A.3.a, 3 7. A.3.b 6.6.B. I .a De::r Mr. Keppler:

The purpose of this letter is to provide you with-notification of ao Abnormal Decurrence as requi red by Technical specification 6.6.8.I.a within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of the occurrence.

Cn June 23, 1975, while testing the operability of the Reactor Building to Tcrus vacuum breakers, vacuum breaker 2-1601-31A exceeded its maximum opening t=rque of 50 f t. Ibs. Vacuum breaker 2-1601-318- tested satisfactorily.

The vacuum breaker was locked closed as per section 3 7.A.3.b of the Technical Specif! cations.

This occurrence was discussed by telephone with Mr. Feierabend of your office on June 24, 1975 Further information will be provided by Abnormal Occurrence Report A0 50-265/75-20 which will be submitted within 10 days of the date of thic occurrence.

Vary truly yours.

COMMONWEALTH. EDISON COMPANY -

QUAD-CITIES NUCLEAR POWER STATION DAN N. J. Kallvianakis Section Superintendent NJK/RAR/Ik cc: Director of Office of Nuclear Reactor Regulation J. S. Abei 8306170206 730702 gDRADOCK05000

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