ML19305C037

LER 80-008/03L-0:on 800219,during Routine Surveillance Testing,Setpoints for Low Flow on One Dewpoint Moisture Monitor & for Fixed low-low Flow on Another Monitor Found Less than Min Acceptable.Caused by Instrument Calibr Drift

ML19305C037
Person / Time
Site:	Fort Saint Vrain
Issue date:	03/19/1980
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19305C033	List: ML19305C032 ML19305C037
References
LER-80-008-03L, LER-80-8-3L, NUDOCS 8003250502
Download: ML19305C037 (1)

Text

-. . . . _ _ _ _

pf RC PCP.M 364 U. S. NUCLEAR REGULATOOY COMMISSION mm LICENSEE EVENT REPORT O co~' o'B'oc<: p i i i i i ie i'E .4'~'o rv m ou' o' o 1'o~>

l lo li la Iecl 0luceNsas 7

Fl S lcoot Vl 1l@l 0 l 0 l -l 0 l 0ucrNsa i4 is l 0 l svussR 0 l 0 l - l 0 l 0 l@l 25 4:s l 1ucENsE l 1 l TYPE 2 l 0JOl@l5 7 CAl T 68l@

l CON'T IoIil Eu',5 i L @l 0l 5 l 0 l 0 l 0 l 2 l 6 l 7 @les0 l 2 l 1 l 9 l 8 l 074 @ln01 31 11 91 8l Ol@

Rt ORT oats s0 l 7 e e0 si occxeyNuuseR es event o4Ta EVENT DESCf"1PTION AND PROSABLE CONSEQUENCES h Io l2l l On February 19, 1980, with reactor in a shutdown condition, plant instrument personnell 1"5 TTl l performing routine surveillance testing discovered that setpoints for low flow and l l

Lo_L4,,,j l fixed low-low flow alarms on one_ devooint moisture monitor and for fixed low-low flow I

[o l s t l on another monitor vere less than~ minimum acceotable. -This constitutes peration in al Ioisl I degraded mode of LCO 4.4.1. Reportable per AC 7.5,2(b)2. No affect on health and i I o l 7 I I safety of the public. l l

I 1 o 181 l

• Ec'e" s Tois suscioe cowPossNT coos susco'c's su"#EE io191 7 8 9 Iil Bl@ W@ W@ lZ lZ lZ lZ lZ lZ l@ lZ l@ J@

to 11 12 13 18 19 20 stoVENTIAL OCCURRENCE REPCRT REVtsloN l ,_

coot TYPE No.

j ggjno EVENT YEAR REPORT No.

t

@ ,a(ggg 1810l l-l iOl0181 [g_j i 0l 3l It. I L-1 LO J

_ 21 22 23 24 26 27 28 29 30 31 J2 YK N A P T ME hours 58 i PoR 8. SU tE MANVP RER

[_E_jg[24, 22 Z_J@ lZl@ as W@

as l010l0l0l v 40

[Y_j @

• i lN 42 l@ lZl@ lZlZlZlZl@

4a u 47 CAUSE DE3CRIPTION AND CORRECTIVE ACTIONS @

3 ; o ; i Moisture monitor flow alarm settings were out of tolerance due to instrument cali- l g l bration drif t. Setpoints were returned to correct values and testing successfully I

[TTTI I completed. No further corrective action is anticioated or reau d red. procedure i 1

i g l reviewed, instrument personnel 12structed to excercise particular care in adjusting l g setpoints. l 7 e e ao l N 4 power oTHER STATUS i o RY olSCoVERY oE5cMIPT10N l

Ii i s_I LcJ@ l 01010" l@l" n/i I Ln.J@l nou 4, summ ~e res,4- 1

',!nviTv catiNT " * * "

1 i.cc4 Tion o, Ritm. @

R.t m o cPR.c m .

ouNT o,icm Tv @ I I N/A l li' i s 'I LZ.1

@ LI 1@l ' N/A " * "

. mon d*t x,o.iA.:

Nu .R wP. c.sc-oN @

l i I 7 I l 01 O l O l@l Zl@l N/A l

' PmeNNe'u'ndins NeweeR esseniefica@

i a l 101 OI Ol@lN/A "

' ' 'oss e, cR o" cs'r2..ciurv Tv e caseme=

7 f 9 8 9 lZhlN/A 1G go l

NRC '.;$E ONLY ,

EsCR ECN 2 o t

i si6i :"A . A0A i l'iiii!;!ti li l

//),.W// $0CV V ,

_" _ _ m ~-

l l