05000267/LER-1980-013-03, /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

/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: 05000267/LER-1980-013, Forwards LER 80-013/03L-0 05000267/LER-1980-013-03, /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
References
LER-80-013-03L, LER-80-13-3L, NUDOCS 8004150552
Download: ML19305D815 (1)

LER-1980-013, /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

Event date:
Report date:
2671980013R03 - NRC Website

text

NRC FORM 366 00.0 N M N N (77 3 b

LICENSEE EVENT REPORT CONTROL BLOCK: l l

l l

l l

lh (PLEASE PRINT CR TYPC ALL REQUIRED INFORMATION) 1 6

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7 8 9 LICENSEE CODE 14 15 LICENSE NUMBER 25 26 LICENSE TYPE JO 57 CAT 58 CON'T IoI1i SbRCE l L @l 0 l 5 l010 l0 l2 l 617 @l01311 lo l 810 l@l014 l0 l9 l 8 l0 l@

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60 61 DOCKET NUMBER 68 69 EVENT DATE 74 75 REPORT DATE 80 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

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COE SU C E COMPONENT CODE SU8 CODE SU E

10191 lI l B lh (E_lh lE lh l Il Nl Sl Tl Rl Ulh l E l@ l Z lh 7

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to 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT R EVISION I

LER EVENT YEAR R EPORT NO.

CODE TYPE No.

@,ag!RO 18 10 l l-l 10 11 13 I l/l 10131 ILl l-l l 0l

,,,,, 21 22 23 24 26 27 28 29 30 31 32 KN A O PL NT ME HOURS 22 S8 i POR h 8.

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33 34 35 36 37 40 41 42 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 RELEASE @D OF RELEASE lZ l@l N/A l

l N/A l

AMOUNT OF ACTIVITY LOCATION OF RELEASE l1 l6l 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 N/A l

7 8 9 11 12 80 LOSS OF CR DAMAGE To FACILITY l1l9l l l@l NA l

7 8 9 10 80 g l N f@DE CRIPTION ISSUE l N/A l

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NAME OF PREPARER PHONE: