ML19305D815

LER 80-013/03L-0:on 800310,during 58% Thermal Power Operation,Indicated Flow for Two Low Level Primary Coolant Dewpoint Moisture Monitors Discovered Less than Requirements.Caused by Inaccurate Flow Elements

ML19305D815
Person / Time
Site:	Fort Saint Vrain
Issue date:	04/09/1980
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19305D808	List: ML19305D807 ML19305D815
References
LER-80-013-03L, LER-80-13-3L, NUDOCS 8004150552
Download: ML19305D815 (1)

Text

NRC FORM 366 00.0 N M N N (77 3 b LICENSEE EVENT REPORT (PLEASE PRINT CR TYPC ALL REQUIRED INFORMATION)

CONTROL BLOCK: l 1

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RlC 7 8 9 l 0 lLICENSEE F l SCODE l V l 1 l@l 0 l0 l- l0LICENSE 14 15 l0 l0NUMBERl0 l0 l- l0 l0 l@l4 25 26 l1LICENSE l1 l2TYPE l0JOl@l57 CAT l 58

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CON'T IoI1i 7 8 SbRCE 60 l L 61@l 0 l DOCKET 5 l010NUMBER l0 l2 l 617 68

@l01311 69 lo l 81074 l@l014 EVENT DATE 75 l0 l9 l 8 l080l@

REPORT DATE EVENT DESCRIPTION AND PRO 8ABLE CONSEQUENCES h I O l 21 l On March 10, 1980, with the plant at 58% thermal power and 182 MW electrical power. l ,

1013i I the indicated sample flow for two low level primary coolant dewooint moisture monitors t lO ;4 l lwas discovered to be 'less than recuired by LCO 4.4.1, Note (t) . This is reportable l I

l o i s t lper Fort St. Vrain Technical Specification AC 7.5.2(b)2. There was no affect on l  !

FOT 1 lpublic health or safety. No accompanying occurrence. l l O l 71 l l 10181l I l 7 8 9 80 E COE SU C E COMPONENT CODE SU8 CODE SU E 10191 7 8 9 lI l B lh (E_lh lE lh l Il Nl Sl Tl Rl Ulh l E l@ l Z lh to 11 12 13 18 19 20 -

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_ SEQUENTIAL OCCURRENCE REPORT R EVISION LER EVENT YEAR R EPORT NO. CODE TYPE No.

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,,,,, 21 22 23 24 26 27 28 29 30 31 32 KN A O PL NT ME HOURS 22 S8 i POR h 8. SU Li MANUFA RER l33A l@l34 Zl@ l35B l@ lZ l@ l0 l0 l1 l2 l lYl@ l42N l@ lNl@ lHl0l9l9l@

36 37 40 41 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h l i 10 l lThe low indicated sample flows were due to inaccurate flow elements on the respective I g l moisture monitors. The plant power level was reduced and the flow elements are being I g greplaced. No further corrective action is anticipated or required. Hastings mass i iii3l l flow meter Model ALL and AHL. l 11 141 l I 7 8 9 80 STA  % POWER OTHER STATUS DIS O Y DISCOVERY OESCRIPTION lTTs'l I A l@ l 0l 5l 8l@l N/A l l A l@l Operator Observation l A TIVITY CO TENT AMOUNT OF ACTIVITY LOCATION OF RELEASE l1 l6lRELEASE @D OF RELEASE lZ l l@ll N/A N/A l 7 8 9 to 11 44 45 80 PERSONNEL EXPOSURES NUM8ER TYPE DESCRIPTION ITTTI I o l 0 l 0 l@l Z l@l N/A l PERSONNELINJU IES NUM8ER DESCRIPTION lilallOl0l0l@l 7 8 9 11 N/A 12 80 l

LOSS OF CR DAMAGE To FACILITY l1l9l l l@l10 NA l 7 8 9 80 ISSUE

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NAME OF PREPARER -

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