05000348/LER-1980-057-03, /03L-0:on 800922,during Startup,Rhr Sys Was Removed from Svc & Isolated from RCS at 250 F.Caused by Operator Error.Tech Specs Changed to Clarify Svc Procedure

/03L-0:on 800922,during Startup,Rhr Sys Was Removed from Svc & Isolated from RCS at 250 F.Caused by Operator Error.Tech Specs Changed to Clarify Svc Procedure

ML19338G147
Person / Time
Site:	Farley
Issue date:	10/22/1980
From:	Hairston W ALABAMA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19338G118	List: 05000348/LER-1980-057, Forwards LER 80-057/03L-0 05000348/LER-1980-057-03, /03L-0:on 800922,during Startup,Rhr Sys Was Removed from Svc & Isolated from RCS at 250 F.Caused by Operator Error.Tech Specs Changed to Clarify Svc Procedure
References
LER-80-057-03L, LER-80-57-3L, NUDOCS 8010280502
Download: ML19338G147 (1)

LER-1980-057, /03L-0:on 800922,during Startup,Rhr Sys Was Removed from Svc & Isolated from RCS at 250 F.Caused by Operator Error.Tech Specs Changed to Clarify Svc Procedure

Event date:
Report date:
3481980057R03 - NRC Website

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64 60 occa gT P.uust R Gd G'J EVE 4T oATE 34 75 RE7eRToATE 80 EVENT DESCRIPTION AND PROS A8LE CCNSECUENCES h f5Ti-l l At 0250 on 9-22-80, while performing FNP-1-UOP-1.1 (Startup of Unit from Cold Shutdown. I (5 73-l [ to Hot Standby), the Residual Heat Removal (RHR) system was removed from service and

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.- g l isolated from the RCS due to operator misinterpretation of the UOP. RCS temperaturg was; pg-l-j ;250 F.

Tech. Spec. 3.4.9.3 requires, in part, that two RHR relief valves be.opdrable 9

,a g ; g when the temperature of one or more of the RCS cold legs is f,310 F.

Tech. Spec. 3.4.9.3 g g [ action statement requirements were met.

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l Nlg l N lg gg l z l9 l9 l9 l 3J 35 36 31 40 el 42 42 44 47 CAUSE DESCRIPTION AND CCMECTIVE ACTICNS E IThe FNP-1-UOP-1.1 Precautions and Limitation's stated that RHR must be removed from y [ service pr'ior to pressurizer temperature reaching 47f F but did not caution against g

l removing RHR if the RCS temperature is <310 F.

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l FNP-1-UOP-1.1 was generated to preclude ftiture occurren'ces. RHR was. returned to an g

g,,4 ; ; operable status at 0255 on 9-22-80.

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NAME CF PnCPARER W. G.

airston, III

.(205) 899-5156

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