ML19322E396

LER 80-014/04T-0:800307,during Radiation Monitor Surveillance Test,Liquid Waste Effluent Monitor Did Not Alarm & Discharge Valve Did Not Close.Caused by Loose Relay & Solder Joints in Wiring.Deficiencies Corrected

ML19322E396
Person / Time
Site:	Beaver Valley
Issue date:	03/21/1980
From:	Werling J DUQUESNE LIGHT CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19322E394	List: ML19322E393 ML19322E396 ML19322E398
References
LER-80-014-04T, LER-80-14-4T, NUDOCS 8003270387
Download: ML19322E396 (1)

Text

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U. S. NUCLE AR HEGUL ATORY COMMISSION NRC F ORM 3G1 1777)

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I 4 by 61 OOu E T N s'.10 E R EVENT OESColPTION AND PROGAULE CONSEOuENCES it was h'wldiscovered j 10 ) ;) l While performing the monthly radiation monitor surveillance test,

[777)[that the Liquid Waste Effluent Fionitor did not alarm and the discharge valve did notg l

W g lclose when a test signal was input. All past liquid waste discharge permits from l

1 0 ! ., ) Jthe last performance of the surveillance test to the present time have been l o is 1 l reviewed and that , to present, there was no danger to the hcilth and safety of the l

l 10 i 7 l l public.

1 10181 I s0 7 8 9 COYP VALVE System CAUSE CAUSE SUSCOOE COMPONEN T COOE SUSCODE SU8 CODE COOf COOE l0l91 F 4 l Ml Cl@ lE ]@ lX l@ lR lE lL l A lY lX l@ {@ lZ l@

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h lijoll The test signal was innut into the radiation monitor module and the unit did not [

shut. The

]il,j l give a high-high alarm and the effluent path isolation valve did not l j

, , , ,, j j wiring was investigated on a loose relay and some loose solder joints were found.

immediately corrected. The operations surveillance test l g l These deficiencies were There is no previous failura data on this problem. l w I was completed satisfactorily. 80 7 4 3 OTHER STATUS iSCO RV O'SCOVERv oESCRi8 TION

$7 5 seOwfA results l I' l S I l Hlh l 0l O! 0l@l ':/ A l l B l@l Surveillance test ACTivtiv CON TE NT LOCATION OF RELE ASE ng(gasto Op ptLE ASE AMOUNT OF ACTivtTY N/A I I N/A I U_le) 3 4 9

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