ML19259C015
| ML19259C015 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 03/27/1979 |
| From: | Ullrich W PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| NUDOCS 7906070370 | |
| Download: ML19259C015 (2) | |
Text
N
,.n.,........m
...c rs.,r t? pe r 3..... n r., c rme...: r.. r p i,
en;e o,.... e v t.. n., f..
17 il t.
, v ch N. 141')
atr.
m c e 8f. f : r f.' '-
Offtre of insrec+ f an otr1 rn?o?tv-ant THIS DOCUMENT CONTAINS n e.: I "" '
vnIted s.nic. n,ci,..,e ne c.. i.... -,. c....y I., i,"
P00R QUAUTY PAGES
- r. u r., r >.. cc.t...
l~lne of I'r u s e l n, rA l '8 4 n f.
Stin.717;T :
fer ron! Av. : otrifttpr :c r, _ n.ci" rf ?:D i ! r T rf,1 ;O;;
Con f f rril or !!.
'I.
v.'1 i e f e S.
- e < -...... n, e, e f,,n.. ' e b * *. 4 r e r vim..,, R.cfon 1,
Uni t t'd St a t r'n 1:*v Ivar It e p,v 1
- nr y C o.-.., f n.. f e r, o,, e ' 7 l l 7 's,
Reference:
Imekat ?;n. O'*0-777'78 Peach isnttn'- 1*ni i n 7 and 3 lethnfcol Spect fi e nt t on Re fe rence :
3.8.C.1 Tierner f o.
1-70-1?/IP Occurrence Date:
1/76'70 I den t f fi e n t_ i on o f..O..c._c trrence_ :
Gn=cous ralense rete esecceded allerinble 'le. hnf ral Freci fi cat ion I f nf t s for i nnt on' anenits ec 1 cn ac rrte.
Condi tions Trf or to Occurrence:
Unft
- 1 e,*c ra t ine n e a h-a t 89 percent r en.re r.
Aprarent Cour.c of Occurrence:
I,nck nf a prnrer proc esh re i c e.1 + n sleine errore.
T he val *fnc errors alone with In==
cf a trat er cent nn n cump Ic id to the e r. n e ni, *: t e l e c t-(..
Analyn! e of Occurrence :
tinf t
~t van apa r:* t I n t-
.a '. '.ne tt R4 pe rcent rovar vrfor in t h e- <>re v.cren r e.
Re c en t. re c ont.i na t sondeneer t itbe-l e;' F ar t e<;c f r e<4 t hes t
+5e re combi etee r conden=cr drnfne be vn1ved ta tbe rndenet e eve'em.
A S n.,t eIrbt bn.nr=
rrior en this occurrence, tha rerem*inct alrn ine vere valved ove r t o 5
1:e fTi l n condenner.
f t. a rr< s r ve t h at. vffretion c m c r.d a v..lve in the c'rn i n line to cinee.
Over n peri n.! n f tiv o, un t e r-bn c heef *,p t brntnth the =vstem and c a na c,1 prt*bl e a,n gif t h tbc retarbfner evntra.
- e c n = t e e e f the virer
.= c c umu l a t i o n, frequent reco 1. f or e ro prearanc afi o b n n r e er ercre required.
At about 3 p.n.
on t bc
.bi t e n'
occurrence, t bc
- A' rs.co-biner e nrrensor tri ppe d.
The 31cernate co-re a.:nr "an = tarted and trirred a l *m '
irredi a t e 1.
Vnctetem condit lans on the unit = tarted to det erinent e nnd 3
lond una decrev=e.' to 700 r,o.
noth reennbin,e ennrrear>r reve found to have st ent fi rent atar in the oil.
't hi s cond i t t on u= = rec t i fiad by 7906070370
Pare 2 par (nrvif em oil chanroa.
tri,r ! nr. t be ofI ch,nrea. tun off-ras raltnana from 'hc Upf1 3 venne et n ck ner.*ir red.
Foilovinr thim, tha relense rntce re' *errun il t o tin:a r nn reve l and hnt h recerA f rior e,ctiena=or= toro a le l e to be r e r. t n r t e l.
Va r nism tra, toraiesed.
I;i t e r, ult h no itediention of furt he r difficult!"m. t he vont ntack arotn e pi ke d and ? ce-i f nad n t an cl ova t ed Icvol.
In3e to the campicxity of the p r i a.- nre re t itina, tbn enune of the c l o i -i e c.!, n l..n g..
could not $o fr-ndfatolv de t e r7,i ne d.
The direct en'ise of t he r o l e s. s e u,n eventun11v v rocod t o an c<;n t rr< nt dra f n s"r uh t ch pumpod eluun and reached a low Ievnl, thorahv g orr t t t ine 'be off-raa whfch wa r.
vent Inc t hrourb a 1 c a k i n;' va l ve and an orop drnIn valve to break the un t e r n'91 i n t he sump nmi 1 a relca ced t o the huile!!nn v-ntilation system.
Thi s < nndit ion un s corrected when the drain valve was cloneel azul tho water seal fr t!m earr e-cstal.11short.
The ca,bined t hroc Veif t 4 3 vent. Srnck retcarce: execed t he Technical Spect ficat fon inctintnnoou= relen ie Ilmit for n proxinatalv f. 's
-inutes.
Approxim1tely i. Cf vere relcacod.
ifaxtrum relenna rat e wa s 7007, o f 1cchnien1 Speci fi cat ion I n s t a n t.p nanu s releasc limit.
C_orze c t I ve, Ac t i oty :
When iha s'in r e c o'
t.h" Problem "a" I'1""t I f f a d. '"' I s-t or ur s ret nrned t n nnrral.
I nec a r f ""' i nn continues.
F ror c rhir e = fn,1ved with thia operation will be revised and the vnivc= rore c lea rl y i dent i fie d.
Very t.ruly yours,
- / / ff e*
-f-
-g.
W.
T. Ullrich Statioti Surarintendent WTU:kif