05000321/LER-1980-094-03, /03L-0:on 800731,during Normal Operation,Offgas Dihydrogen Analyzer N62-N009B Sample Pump Tripped.Caused by Setpoint Drift of Flame Check Water Flow.Water Flow Readjusted & Sample Pump Restarted

/03L-0:on 800731,during Normal Operation,Offgas Dihydrogen Analyzer N62-N009B Sample Pump Tripped.Caused by Setpoint Drift of Flame Check Water Flow.Water Flow Readjusted & Sample Pump Restarted

ML19344D953
Person / Time
Site:	Hatch
Issue date:	08/19/1980
From:	Nix R GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19344D951	List: 05000321/LER-1980-094, Forwards LER 80-094/03L-0 05000321/LER-1980-094-03, /03L-0:on 800731,during Normal Operation,Offgas Dihydrogen Analyzer N62-N009B Sample Pump Tripped.Caused by Setpoint Drift of Flame Check Water Flow.Water Flow Readjusted & Sample Pump Restarted
References
LER-80-094-03L-01, LER-80-94-3L-1, NUDOCS 8008260431
Download: ML19344D953 (2)

LER-1980-094, /03L-0:on 800731,during Normal Operation,Offgas Dihydrogen Analyzer N62-N009B Sample Pump Tripped.Caused by Setpoint Drift of Flame Check Water Flow.Water Flow Readjusted & Sample Pump Restarted

Event date:
Report date:
3211980094R03 - NRC Website

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LICENSEE EVENT llEPORT cornn,ot et ock: l

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During normal operation at 752 M'Je, Of fgas H2 analyzer M62-H009B, sample l

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pump tripped.

Analyzer A was already out of service. Environmental Tech

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gl Spec 2.1.3.h-1 allows 2 wech reactor operation i f grab samples are taken l

g g every 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.

A limiting condition of operation was declared and grab j

pl samples were taken.

There.were no effects upon public hcalth and safety J

j g [ due to the evcnt.

This is not a rcpetitive event.

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%) l The cause of the event was settpint drift of the flame check water flow I

Cl] l The unter flow was read.iirsted and the san 'e numn restarted.

The unit I

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Unit 11 Hp analyzers were at the roper set-I gjal [

point.

The generic revicu revealcd no inherent problt.ms.

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!!ARRATIVE hEPO:tT Ceorgia Pover Company Plant L. J. Itaich Udxley, Cnorgia 315!3 Reportable Occurrence Report :!o. 50- 321/19C D- 01'i.

DJring norul opora t irio at 75[ !*'.l0, Of f ga s Hydrogen *uu.lyzer, liiS2-?m3;;, senple pu: p trip; rj nal.ing C analyzer inoperative.

lhe A analyzer, as alre:.dy cut of service for repair of a f aulty hy!rogen sensor cell.

The cause of the trip is attri!.uted to a setraint drift of the flar.e chett water flo.: to the flan check c h mM r.

This chic 6er isolates the sample line f rom t he o f f ga r. syst r.,. tith a liquid seal to prevent t!.e possibility of an offgas systen explosiaa. The water f l o'. 5.as adjusicd to clocr the logic trip and the saraple puap restarted.

Environnental Tech S;.ec P.l.3.h. l allo.:s 2 t.eek o;>eration seith t'oth analyzers out of service provided a grab se:;:le is collccic d cyt ry 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.

The Unit 11 enalyzter. re at the proper setp.: int The generic revicu revraled no inhercnt pr ablems.

The ur.it is new in full cc:cplience.

Inere tics no ef fect on public htalth or si.fety.

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