PNO-III-80-164, on 800902,licensee Found Leakage from 10-inch Core Spray Piping Inside Drywell.Two Welds in a Loop Have Seepage & One Weld in B Loop Has Visible Crack.Unit Is in Refueling Outage

PNO-III-80-164:on 800902,licensee Found Leakage from 10-inch Core Spray Piping Inside Drywell.Two Welds in a Loop Have Seepage & One Weld in B Loop Has Visible Crack.Unit Is in Refueling Outage

ML20148D725
Person / Time
Site:	Quad Cities
Issue date:	09/03/1980
From:	Chrissotimos N, Danielson D, Spessard R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:
References
PNO-III-80-164, NUDOCS 8010090270
Download: ML20148D725 (3)

. .,

e nu. 4. 4...w i.vi e. m . . m.i

• Date

• September 3,1980 PRitlu,1!.ARY NOTlflCATION Or EVENT OR UNU5UAL OCCURENCE--rNO. !!!-80-164 This prelidinary notification constitutes E ARLY

~ The In'fnotice of events ortua tion present ofedPOSSIBtr

~

1T'it safety or pubj1c interest significance. l i an d _i s' b a *. i t al'@'il l

, initially received without verification _ or eva uat on that is known, by IE staf f as of this date_.

i Fre111ty: Connonwealth Edivou Campany Quad CILlev Nuclear Power Station, Unit 1 (DN 50-254)

~~

l Cordova, IL Sub,j ect) CRACK IN CORE SPRAY PIPING I.

The licensee reporte<1 that leakage f rom the 10" diameter corc spray piping inside the dryvel wrs detected while performing a visual inspection on September 2,1980. The inspaction revealed two wcldr. on the "A" loop as havin6 scepage and one weld ou Lhe "E" loop au having i a visihie crack approximataly t/4" inng. All of these defects are lu welds unwouluted w1Lh Lhe Lirst elbow upstream of the safe end as shown on the attached sketches.

t The unic le la a refueling outage, and the licensee plans to perform ultrasonic examinatient

- of all the welds on both core spray loops located in the drywell . The af f ected wcus nre shown on thu attacheid skate.hes.

I A similar probk:2 was identified on Unit 2 during its last refueling outage. The details of the problem and the licenacn's entractivn actions nre discuseed lu PNo-III-80-45, 45A and 45B.

A Region III Piping and NDE npacialist innpactor in onsit e following this matter.

WILhur tha 11rAnsee nor Region til (Chicago) are planning a neus release.

i The 'Sta te of Illinois is b'cing sotified.

i

' nits information lu current so of 8:30 a.m. ou SepLember 3,1980.

i

Contact:

N. Chrivuh hus. 309/654-2227; R. L. pessard. 312/932-2547; D. Danielson,

- 312/932-2603 l

Distribution: Transmitted H St, __

S. J. Chilk, SECY

? Chairman Ahearne Conrnissioner Hendrie c. C. Kansnerer, CA Comissioner Gilinsky Comissioner Bradford ACRS (For Distribution) s P. Bldg. IEN00S (IE: liq Dis- .

! Transmitted: HNBB j H. R. Denton, NRR

! W. J. Dircks. EDC R. H. Vollmer, NRR Landow ((i min / pac C. Michelson, AEDD J. J. Cummings 01A J. J. Fouchard, PA R. J. Mattson, NRR N. M. Haller, MPA D. F. Ross, NRR j D. Eisenhut, NRR MAIL G. W. Kerr, OSP S. H. Hanauer R. Minogue. SO l H K. Shapar. ELD IE:X005 Willste Bldg. Document Mgt. Br. (For PDRe l

J. G. Davis, NH55 i Regional Offices T. E. Mur1.y, nr.s l

l' PRELIMINARY NOTIFICATION- l THIS DOCUMENT CONTAINS

, G010090 $ -

POOR QUAury PAGES

l t

t ..

t l

, i ,,

g -

t .  ! ,

lI i

'li.

.t.P.gl 0

, . .; . .- . . . . ~ _.......,q

\y' 4

N s' 4

b9 j

/ ,,,,_

L '

'\

/

( .t,. . l sq.

b'.e

/g /s '

r 1

I t c s .9 tr) dt.j'9

• s?!- b. 4) s qS

s:

(' '

I i) l,i l

k 3 (' --

R p /-~~

C&eb $ @ If. s? 1. , s

!?,

=~

,' h ,e i t i 4 1 t,N f -

ly,. q < '

% 9)

.sr p.. . ,. L). .'!<.,

l

\ .5

\y

)  ! I b  % g . N I.' l spi i

\

N' b ,

'N j

1, .

. A,

. a;)

t

- g'e% h, .

s.

n S

1 s

W. 4 ., .

i 1.e, .

A _. 'M o t. ...: . $

Y 's. i. V, l  % '~ N

% 4 I

ek [,4. I1;%

['*M A V %S ) y',l) y o .i

(%m-

. . - - - e

,. fi -

%, 2 SU i

3' A ...,

d 1 . / l ifJ"8

~;

R N) v+ k - I .- I r k#1 t i -

,7 t

m -

Ig -

l j -

L  % ,i

.1 i

A ni -

(P 'dN6 L 0 :w Q)

V '"

,# .)

'h; 3 i @ 'h l!: 'ti t t, Q,, i n, 4. id i c

+ , ,

m. , is s 9 + g,.

er.

i ,%

N+

s ...'-

e( .>. n. ,

(* t @s .;

$I  !

N

% .. k [ y.'

t

.r -

1

~'  %,

u o s q }:

8 ei LN bl S h

• \i M; to  %'s \

we r I

'Wh \, $e (

\

rQ't'b.

Tw O . . '5 l _ ( ,

O \ .h

\ ..

\ l iQ t; x.I a

'-l-l.

l L .a l h 't ,,,,,-'"" ,,

.x ..- s, 3 .. .. -

,sc .**

tz - ._,w_,

,..dv"** _ -- _-_-

. i

. . . . .. * * . ... j l

4

,. . . .. . . .. . . .. ,, g g , ./,1 -

. . i z 7 ,.. .. .s.. . - .

1 i ,. ., ,1 ,

s

• tn 1,.,, , . ... . . . . ,- . . . . . .

o i o e.j e, ,

n o,, ,.

t, ..

- - ,, f , ,. f,. ,

.,- ,,,,- m ,- < , 2 ,'y ,,

c. , , _ .

i ..

.. a .; ,

-2,.

. $5 .o i . .i

"' I 60 '*

, g, . fl 1y f ,'

1 . ,

s, <i , .. _ ..

,T .

l,_ /._ _.. .. I ,

i)t O ;, p 4A l '*g.' '.' ,

A*

( p O iN ','

i 4c2 W' -

7,l ~

g .s t 4 0 '

&) g.

c,r.i

,

• g.

1 d q

G .

\ .

5} d '1 *.

l r. n c., '

. , ,, .j , ,

j c i <* -

~**

F* )

I ., C. g j

.r f ., I ,o ,

.,.;.' $e* t*1 (;) -' l e') . '. t

'. m,, "1 U.I =

h ,

.V, N.,Z,r % d $.

. .( i 'd{

74,;;;- 3 r,

(

f i (O . s'

,Ur-5 h M .; '

y,

!.4 ,i (V

x ,N .

{ ,

gL

..o, u, r ,

.. O. ,

f .-

j

\ // .

J g*)* ,

I .} . y; /// l l

\

I

,l, ,!

'wn . .

I i

i M *T. //

// '

.*. ej i

• v1 *Q

• f ,/

^

\

15. LL' i

d@ gr7* t' '

q / g a s so s0 s C: i , 1

<: V) *

't U,

&'l t Tr g

.c .* C e r

,, .' e', J l tt .

l I ~ CC ~ 8 ' i

' 7 O D '.

)' '

N.,

l es

=

[.<

[r.i ,. g t.!'. . i s) O.I vs

\. 0 '

r., .

. n m g;, i y n P*

I \u I' '

l ., tf

, g -. <

l- i J

g g[ g '

rs. c. & -- .

v)

'7 ' O gq' l [y' I. '

A

• I es, +

l 1 i p

A,L)~.. t-t' <.

- , fl . ... 1 J.

P. <

c. (. ..

y g,

1.3 6 i (O

\  !

t.'  ; .w t .:

(.i ..

N $j {

di l

/ .T. [.

d r

s. . lig

• 7

. l