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Excerpt from ACRS 790510 Presentation Re Power Operated Relief Valve Operation & Actuation
	ML19322D214
Person / Time
Site:	Crane
Issue date:	05/10/1979
From:	; Advisory Committee on Reactor Safeguards
To:	;
References
	TASK-TF, TASK-TMR NUDOCS 8002100060
	Download: ML19322D214 (2)
	v • d • e

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PORV OPERATION DEMAND VALVE OPENINGS 2

FAILURE TO CLrSE 0

INADVERTENT ACTUATION 2

FAILURE TO CLOSE 1

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RORV ACTUATION DEMAND VALVE OPENINGS FAIL TO OPEN CLOSE HIGli PRESSURE TRIP DURIllG SPURIOUS-TURBINE RUNBACK AT POWER 1

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HIGH PRESSURE TRIP DURIi1G LOSS OF LOAD - POWER ASCENSIO!1 TEST -

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INADVERTEilT ACTUATION RPS MAINTENANCE - SPURIOUS OPEN SIGNAL -

PRE POWER TESTING AT HOT SHUTDOWii -

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PORV MAINTEtlANCE - SPURIOUS OPEN SIGilAL -

D COLD SHUTDOWN -

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ML19322D214