ML20084S731

Telecopy Ao:On 750628,valves 2-1601-20A & B Failed to Open from Control Room.Caused by Improper Operation of Solenoid Valves.Valves Repaired

ML20084S731
Person / Time
Site:	Quad Cities
Issue date:	06/30/1975
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084S730	List: ML20084S728 ML20084S731
References
NJK-75-337, NUDOCS 8306170195
Download: ML20084S731 (1)

Text

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- Comm ,ve .!!h Edison- ,

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Telecopy: Region lil, Attention: fir. C. Feie rabend r/' * <!.'. ;.' ; j!; /hfj'j

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June 30, 1975 g

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J. Keppler, Regional Director -

Directorate of Regulatory Operations '//w, D W( y'j' '

Region 111 ,

799 Roosevelt Road Glen Ellyn, Illinois 60137

Reference:

Quad-Ci ties fluclear Power Station, Uni t 2 Docket tio. 50-265, DPR-30 Appendix A, Sectior.s 1.0. A.2, 3 7. A.3, 6.6.D. l .a

Dear Mr. Keppler:

The purpose of this letter is to provide you wi th notification of an Abnormal Occurrence as requi red by Technical Specification 6.6.D. I .a wi thin 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of the occurrence. .

At 1:30 a.m. on June 28, 1975, during monthly surveillance testing of the pressure suppression chamber to reactor building vacuum breakers, valves 2-1601-20A and 2-1601-20B f ailed to open f rota the control room. The problem was improper operation of the solenoid valves which allow air to open the valves.

The maintenance foreman was contacted by the shi f t engineer, and the valves were repai red and retested satisfactorily by approximately 4:00 a.m. that same morning.

This occurrence was discussed by telephone with Mr. liunnicutt of your office on June 28, 1975 Further information will be provided by Abnormal Occurrence Report A0 50-265/75-21 which will be submitted within 10 days of the date of this occurrence.

Very truly yours, C01;M0l&iEALTil EDIS0?! C0r.PA'lY QUAD-CITIES tlVCLEAR POWER STATI0il

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A fl. J. Kalivianakis Station Superintendent flJK/SRit/lk  !

cc: Director of Office of flucicar Reactor Regulation  !

J. S. Abel l 8306170195 750700 PDR ADOCK 05000265-S PDR. g