ML20084S616

Telecopy Ao:Laundry Drain Sample Tank Level Dropped & Floor Drain Sample Tank a Level Rose.Caused by Not Verifying Closing of Laundry Tank Discharge Valve.Discharge Immediately Stopped

ML20084S616
Person / Time
Site:	Quad Cities
Issue date:	07/18/1975
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084S391	List: ML20084S390 ML20084S616 ML20084S626
References
NJK-75-364, NUDOCS 8306170135
Download: ML20084S616 (1)

Text

e.-- _ _ _ _

-?- O O l CommomposMh' Edison.

OJad-CitiesMc'ess Poe.e: Stevon Post Office Box 216 Corcoaa, filmois Ot 242

,__ Teleonone 303/654 224r- ,

N:J K .75-364-Terecopyr Region I i i ,, Attantl'on.: . Nr.. C.. Fe rarebend-Judy- 1.8L 1975 ~

J IGappJena. RegionaI: DIiecton-Dfrastocate. of> Regesiatover Operations.

Regiotsc l.'Db U. S. Nieciter.' Regulatory- Conserissiom 7.99' Roosevelt Road:

Gl en- E T 1.yn , II.Ifneis 60137'

Reference:

Quad-Ci ties: Nuclear Power Station, Unit I Docket:No. 50-254, der-29:

Appendix A, Sections T.O.A.8, 6.6.8.1.a

Dear- Hr. Keppler:

The purpose of this letter is to provide you wi th noti fication of an Abnormal Occurrence as requi red by Technical Speci fication 6.6.B. I .a wi thin 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />s-of the .c.ccurrence.

At.10: 15 a.m. on July 17, 1975 the discharge of A floor drain: sample: tank to.

the river was begun. At .6:30 p.m. on July- 17th the laundry drain. sample- tank was placed- on. reci rcuistion in preparation for sairq)1ing.- Contrary tor. the approved procedure, valve. 1/2-2099-146, tha laundry draint sample: tank rivar discharge' valva, was not vert fled closed by ' the. operator. Consequently- x there was a. drop in, the laundry drain sample. tank. level and a rise In A floor drain sampia tank level. The activi ty- in- the floor dral.n> sample: tank.

was 2.45 x 10.-3 ucl/mi and the activity- In the laundry drain, sample tank was I .26 X 10'4 uci/mi.

Upon: discover.yr ofs the operd vaJva at 7:00 p.m. on:. Ju4y- 17ths dischargas to.

the river was irrsnadlately stopped.

Thirs . occurrence was discussed- by- telephone withe Mr Ferecabend- oE your of fice-on July 18', 1975 Further-Tnformation. wlf.1 be- provided by AbnonnaT Occur -

rence. Repost AQ 50-258f/75'16. whrch. wilil, be. sukel.tted~within.10' days. of the date. of - thi s occurrettaa.

l Vet ry. t ruly- yours ,

COMM0 WEALTH EDISON, COMPANY QUAD-CITIES NUCLEAR POWER STATION N. J..Kallvianakis Station superintendent 8) 8306170135 750725 gjp )f NJK/lk {DRADOCK05000 3*,63 cc:. Director of of fi~ce ef NmlGO7 Choctor _RTelmit0i b-