05000249/LER-1980-038-03, /03L-0:on 801021,crack Was Found on Reactor Water Cleanup Heat Exchanger Equalizing Line (3-1292-2-A).Cause Unknown.Leak Was Temporarily Patched

/03L-0:on 801021,crack Was Found on Reactor Water Cleanup Heat Exchanger Equalizing Line (3-1292-2-A).Cause Unknown.Leak Was Temporarily Patched

ML20002A784
Person / Time
Site:	Dresden
Issue date:	11/12/1980
From:	Cieszkiewicz S COMMONWEALTH EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML17193A544	List: 05000249/LER-1980-038, Forwards LER 80-038/03L-0 05000249/LER-1980-038-03, /03L-0:on 801021,crack Was Found on Reactor Water Cleanup Heat Exchanger Equalizing Line (3-1292-2-A).Cause Unknown.Leak Was Temporarily Patched
References
LER-80-038-03L-02, LER-80-38-3L-2, NUDOCS 8011210551
Download: ML20002A784 (1)

LER-1980-038, /03L-0:on 801021,crack Was Found on Reactor Water Cleanup Heat Exchanger Equalizing Line (3-1292-2-A).Cause Unknown.Leak Was Temporarily Patched

Event date:
Report date:
2491980038R03 - NRC Website

text

_.

?

LICENSEE EVENT REPORT CcNTMOt.ELOCK2 l l

l l

l l

(Pt,EAss PMINT OR TYPE ALL REQUIRED INFORMATIONI lo l i l l Il L i D l R l S l 3 l@190 10 l-10 10 l0 l0 10 f-l0 l 0

@l 4 I l 11 11 l 1 @l l

j@

F 4 9 WGENSEE Coot le WCENS4 NVweem ab 28 uCEN54 Tvet 40

$7 O T SS CON'T 10liI M lL @l0l5l0l0l0l2l4 l9 gle1l 0l 2 j 1l 8 l 0 Ql1 l1 l112 l8 l0 l@

i a

ao ei oocxa7Numeen a

s event OAT 7*

75 asPCar CAT:

so EVENT DESCMWTICN AND PMCSASLE CCNSEQUENCES Oio lTTT} l During nor:nal unit operation while performing maintenance inspections, a crack was gg found on Reactor Water Cleanup heaC exchanger equalizing line (3-1292-2-A). Leak l

,9,,,

g located on a two inch pipe near a coupling socket weld. System remained operational.

,,,,,g Safety significance minimal since all leakage contained in Reactor Bldg. Floor Drain

,ogjg System, and line is located outside primary containment isolation valves. A similar

[

y 3,, y ; occurrenc,e was reported on Unit 3 by R.O. #79-8/03L-0.

g lo til L I

7 es 80

• I.Es" TOTE sc" sci $e susYo's suEco' comPoNaNT coes 10191 l Cl Glg gg lC jg l ? lIl P j E lX lX lQ ]g l Z [g 7

8 9

lo 31 12 13 18 19 20

$soOENTIAL occuMRENCE AGPCAT REVf5loN LE R/Ro (VENT YEAM REPomT No.

C0oE

• VP1 No.

@ 4Ega; [8 [0 l l _._ l l0l3l8l lfl l0 l3 l lLl g

l0l 25 22 23 24 28 17 25 29 30 31 32 ACTio C P T

w TH wouMS 22 35 8 Pom 8.

U UANUP MER L3_J@lAl@

IZI@

IZ l@

l010101 I

W@

IN I@

lNl@

lP l2 l1 l2l@

s 24 as se si

.o ai 42 42 44 47 CAUSE DESCRIP*lON AND CORRECTIVE ACTICNS h

,,,a;[

The cause is unknown. Leak was temporarily pacched. Final fix will include removal

,,,,, g and replacement of small section of pipe and rewelding the two inch pipe to coupling.

No further corrective action deemed necessary.

iii si I i

li141l I

$T 4 PoWGR oTHEM STATUS of a RY otSCoVERY oESCRIPTToM l i i s I L_J@ l 019 l 9 T@l NA l

lClgl Operator Observation l

7 0

12 11 44 48 46 go VITY ftNT 4GLEAsto op mELgAss AMoUNTof ACTIVITY LoCAT1oM oP4 GLIA 38 li ta l IZ l @ I Z l@l NA l

l NA l

ptA$oNNEL EXPO $ (5 NUMGEM TYPE OfSCRIPT1oM l1 l 7 l l0 l0 l0 [@l Zl@l NA

'ER5oNNE'bNJu'miES

- NUMetR OESCRIPTtoN li h I l ol ol Ol@l NA l

7 43 11 12 30

'rS' " "fst'f40N ' "'" @

li i si 12 l@l NA i

7 4 9 to go 33y g og CMIPT1oN 80112 y 055/

i i i i i iii,iiiil; a

12 i o i i N t@i Ni

?-

4 3 to 63 69

40. h

~

~

~

NAME OF PRI[ PARER PS* CN E: