ML19257D117

From kanterella
Jump to navigation Jump to search
LER 80-002/01T-0:on 800110,during Leak Testing of Automatic Depressurization Sys safety-related Instrument Air Supply Piping,Identified Hard Seated Check Valves That Showed Leakage in Reverse Direction.Cause Not Stated
ML19257D117
Person / Time
Site: Peach Bottom Constellation icon.png
Issue date: 01/24/1980
From: Cooney M
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19257D113 List:
References
LER-80-002-01T, LER-80-2-1T, NUDOCS 8002010337
Download: ML19257D117 (1)


Text

<m ., . . . . . . , ,, ,

e la Unit p i.lCLiGl.L LV L ,

REPORl Report No. 2-80-2/1T y, e ..u. n on j. n_, Lj j jg ,,.o,UA Plum OH TWL ALL REQUIRED INFORMATIONI i: } ! . U I . { . b__I '.' N.'N n I O I - i L j._9] ..jij._D j a 1 I O 0j@ 4l1l1l1 1 l @ [_ 1__j @

i t a u.:. t t u.,t 14 m i i . i r.. . . e. . , w a ., si, o u ,<;c 1 m .s u s i vu . a .

x,

!.i i U.I 'L_j@! '> t.1 O t '; j_g j - ! O !y_17 ((_j([L0j_1j__1j0[810l@l0l1l2 h l 6 10_.j @

. GC r. t r r.t /.* li t . 4 t<' I, # t V i *.1 . Ale 14 h H C FOlt T D A I L HJ tvi o r ot .uoe d ion Aou enounau coa:;uma s @

i jZj i Leak tectin,3 of the ADS cafety-relief valve instrument air cupply pipint; I p]' g identified hard-coated check valvec that exhibited leakace in the -l

@] L reverce (checking) direction. Because the operab_i H ty of the ADS cafety- 1

] ,j l 'reliof valves ac cpecified in the FSAR could not be accured, Units 2&3 l

gji were chutdown to renlace the check valvoc with coft-coated check valvec. l T'l ' __ L . . _ . _ _ . . _ _ _ _ _ _ _ _ . . _ I

/ l _ . _ _ . . _ _ _ _ _ . . _ . _ _ . - _ _

n ., au

5) ', I l M ,_ /. i ; , r. ,.i C (A* P. VAty[

COOL L t;Ut i i4.L f c , f ,f.t N I Co o k b u t3 CO D E SUBCCDE Tq  ! S l F j @ 1 318 L AJ @ I V I A L I V I E l X IO I c l@ l A l @

n o a o u i; n, is u 4 ..INilAl ,C C ' . H H [ r.e.t H E e'OR T Hi t l'aiON gg q,n.; t % t '.T V L A < i t e4 d 6 ! S t) ( . ;'; L TYPE No.

b !,'T,7l; l [ 8 I 0 ] .

!.-j

.~

L0 !O 2 14 10111 n

iT u

l-1 L OJ

.. . .,.  :, si u al f4 Io!'  ; fiI i ee r.sm o .t P R 6 9.* [ (.O V P a ( ,P.* P t P. [ N I u , ,' r . m. o , ' um; .r -

i a

<:,..;o .n, o .,

A ; 3 .h , i e,' ; N 1 wuo n o dr- > 0,4 v :,u u suPP u t u *.wa,s AcTune n I._C_jQ3[.Zj( )

  • 1

[JJ@ [lj@

t

[ O l 3 } 1; 2 j l Y]@ lYl@ l Al@ l Pj 3[ 0

$gy l@

B- 4J l' 4j 4j 44 C AllLC [JU t.llei l l O *J e i t; C C s ; # 1. , i l '/ [ i s it' ., /

_[o ] l '.a.b. Powell Co. hard-coated check valv . c have been replaced on bo th Units i l'l t 2&3 with Eupro Co. coft-coated check valves. The AL3 accumulator avaterl l

. T. ]- l have been succeccfully leak tested and the units were then returned to j glj \ cervice. l

!.! L _ . . . . ._ . . _ . _ _ . . _ _ _ _ .._. _ _ . _ . I

_ ua

,,n( ..., 2, o, m

.1 I 4 l6 l,* "(.i si et/

Li .CO'J L HY DESCit < P i t t,*J L! LCJ h > ! O_i ) 1jbj Unit L _9&?!; j [ C_j(Q LLRT recultc/ vendor dircction l

, o ii u c. so A' i e 911 ( '**

D e t [ (. M t 11 ,,ie> '

l r 14 t A.t . f i . i . ~ 6 Ot A flON OF HL LC ASE F. l Lz._1 @ !_Z._.*Jn .

n/A _

I i n/A

. < u u

,l.ts', 6 L i* ',i ;I 4 -,

m. . i .e.  :,,a.. o .o ( S 1...i {. 0_j_0] _0 [ A Zj @ N/A _

l

, ii u i,

,;, ., su

, , r.e. , , m: -

. .,) . s

, nf a 'o**.es 'It.'.

f) ;ll U j\ \*f ! ll bl

_ , l D V Ml,- '!!

l  !

{ _.O. ! . 'O..l. . O. .,b i, U/. A_._

. _ ._ _ . . . _. _ _ _ __ _._ ' ' l i, i l l l

. .o....., i 1O r 101 n,,s.nii,s f , j. l71 i, ,, . .. .n ,

l O s ')

- L Z.jh, . . . .. _ U/A  !

l.. g. )

/b Nli(' l l' , L ,N 1 Y

, , . ._,c.. a. (, . )' -

I i [ .N d w_ _"_ __ _ __ _ . U/A ./_ . '_

- 1 II 1l LLilIIII.',

j i ju; - '

tu a w .

. . ' a. Cooney .

m ci u ,w eam n .

pQ- (215) 841 '.;0z0 $

80 g3a