ML20084R643

Telecopy Ro:On 750210,leak Discovered in 3/4-inch Vent Line at Well on Reactor Feed Pump Casing 3C.Caused by Vibration. Line Being Repaired

ML20084R643
Person / Time
Site:	Dresden
Issue date:	02/10/1975
From:	Stephenson B COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
NUDOCS 8306150265
Download: ML20084R643 (3)

Text

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

l l

~

~

E.E # #

h w

Westem union Tele raisvt' VEE 222 ( l 74 8) (2-036539E 041) PD 02/10/75 1747 ICS IPMBNGZ CSP 8159424449 TDBN MORRIS IL 89 02 054 7P EST PMS JAMES G_JEEfLER, REG IONAL DIRECTOR, DIRECTORATE OF REG ULATORY OPERAT ION, REG ION 3 US A.0MIC ENERGY COMMISSION, WUX 799 R00SEVELT RD GLEN ELLYN IL 60137 SUB JECT : DPR-25 DRE SDEN NUCLEAR POWER STATION UNIT 3.

gg THIS WILL CONFIRM A CONVERSAIION WITH PHIL JOHNSON OF YOUR OFFICE AT I $$O 1600 HOURS THIS DATE CONCERNING A LEAK I N A 3 /4 INCH VENT LINE AT A

( WELL ON 3C REACTOR FEED PUMP CASING. THE FA ILURE MODE APPEARS TO BE

$a DUE TO VIBRATION, AND REPA IR IS IN PROGRESS. LEAKAGE WAS MINOR AND nn a g< WAS CONTAINED IN NORMAL BUILDING FLOOR DRA INS. AS THIS IS A SYSTEM

$$ BOUNDARY DESIGNED TO CONTAIN RADI0 ACTIVE MATERIALS THIS NOTIFICATION

, WILL BE FOLLOWED B Y A 10 DAY REPORT.

.01 (RS49)

BB STEPHENSON SUPERINTENDENT DRESDEN NUCLEAR POWER STATION COMMONWEALTH EDISON C0 RR1 MORRIS IL 60450 NNNN l

M l ~

. tw m' ~- JTR . r0, T .

i hl u,k.;~ If ,w a $df_

ry

.p, .,, ~

[ ,

> /f.:-

s SF-1N1 fR5 C l

O UNITED STATES O w *d*

• 0, .

J c .-- . EEV#iW59EMEM8M k, DIRECTORATE OF REGULATORY OPERATIONS o v REGION til 4 ras d 799 ROOSEVELT ROAD ym GLEN ELLYN, ILLINOIS 63137 012)85s.2660 A. RO Inspection Report No.

Transmittal Date  :

Distribution: Distribution:

R0 Chief, FS&EB R0 Chief, FS&ED R0: LIQ (5) RO:IIQ (4)

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

Transmittal Date  :

Distribution: Distribution:

RO Chief, FS&EB R0 Chief, FS&EB RO: LIQ (5) RO: liq DR Central Files DR Central Files Regulatory Standards (3) R0 Files Licensing (13)

RO Files C. Incident Notification From: Commonwealth Edison Co. , Docket No. 50-249 (Licensee & Docket No. (or License No.)

Transmittal Date  : FEB 2 8 1975 Distribution: Distribution:

AQ_ Chief. FS&EB RO Chief, FS&EP R0:llQ (4) RO:HQ (4)

Licensing (4) L:D/D for Fuels & Materials

- DR Central Files DR Central Files R0 Files RO Files

[d ,

,,77

_