ML20085J957

Telecopy Ro:On 740429,actual Torus Level Found Approx 2 Inches Below Low Level Limit.Caused by Faulty Indication. Indication Corrected

ML20085J957
Person / Time
Site:	Dresden
Issue date:	04/29/1974
From:	Stephenson B COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20085J954	List: ML20085J951 ML20085J957 ML20085J960
References
NUDOCS 8310190239
Download: ML20085J957 (2)

Text

- - _ . _ - . . - - - - . . -_- - - - -

sv EAE mestern union M '

. 'Tel e ra

( '_I VEB199(1551)(1-027855C119)PD 04/29/74 1549 y _ frf.264o l ICS IPMVEIA MVN fBL8Gfuldb (01 hem 3.nnu WM MM /  !

01176 TDVE MORRIS IL q [dI@f.JfgDF(fy)R'CDT' w rny W L r.

D 4 sr.CTION PMS JAMES G KEPPLER DI 1RECTORIATE OF REGULATORY OPERATIONS REG 10N 3 WUX US ATOMIC $NGERdCO)1N99 ROOSkk$RD ! d N-O GLEN ELLYN IL 60137

e<-

8

" [e k or BY) 88 SuaJECT DPR-25 DRESDEN NUCLEAR POWER STATION UNIT 3, THIS WILL CONFIRM A CONVERSATION WITH H. DANCE OF YOUR

( OFFICE AT 1105 HOURS THIS DATE CONCERNING LOW LEVEL Ey IN THE TORUS DUE TO FAULTY INDICATION WHILE PUMPING THE 54 LEVEL DOWN. AT THE TIME OF THE OCCURANCE, THE REACTOR WAS IN THE REFUEL MODE AND REFUELING OPERATIONS WERE IN PROGRESS.

THE ACTUAL TORUS LEVEL WAS FOUND TO BE APPROXIMATELY TWO INCHES

,g BELOW THE LOW LEVEL LIMIT. IT WAS AT THIS CONDITION FOR A , __ q SF.1201 tPERIOD OF 5 HOURS 50 MINUTES UNTIL THE LEVEL INDICATION MAY i ,, [

fs mu mestern dnion Telearam- U sv ,

e g..

i$k, WAS CORRECTED. THIS NOTIFICATION WILL BE.FOLLOWED BY A TEN DAY LETTER

• B B STEPHENSON, SUPERINTENDENT DRESDEN NUCLEAR POWER STATION COMMONWELATH EDISON COMPANY ROUTE 1 MORRIS ILLIN0IS i

NNNN l

i ll

} SF-1201 (R5-69) i l

ry O O ""

UNITED STATES 17 e , 1 ATOMIC ENERGY COMMISSION l 1 -

• DIRECTORATE OF REGULATORY OPERATIONS

% ## rgs oo */ REGION 111 4

799 ROOSEVELT ROAD mg GLEN ELLYN, ILLINOIS 6o137 (312) 358-2860 A. RO Inspection Report No.

Transmittal Date  :

l Distribution: Distribution:

l R0 Chief FS&EB R0 Chief, FS&EB RO:HQ (5) RO:HQ (4)

DR Central Files L:D/D for Fuels & Materials Regulatory Standards (3) DR Central Files Licensing (13) R0 Files RO Files B. RO Inquiry Report No.

Transmittal Date  :

Distribution: Distribution:

R0 Chief, FS&EB R0 Chief, F5&EB RO:HQ (5) RO:HQ DR Central Files DR Central Files Regulatory Standards (3) RO Files Licens1.ng (13)

RO Files C. Ir.cident Notification From: Co=monwealth Edison Co. Docket 50-249 (Licensee & Docke,t No. (or License No.)

Transmittal Date  : May 23, 1974 Distribution: Distribution:

.RO._ Chief,_FS&EB_ R0 Chief, FS&EB RO:HQ (4) RO:HQ (4)

Licensing (4) L:D/D for Fuels & Materials DR Central Files DR Central Files RO Files R0 Files

'g .

V:r A,

u J(: +c