ML20010H913

LER 81-052/03L-0:on 810812,standby Bearing Water Makeup Pump Removed from Svc.Caused by Need to Repair Bonnet Leak in Valve in Suction Line to Pump.Pump Returned to Svc After Repair Completed

ML20010H913
Person / Time
Site:	Fort Saint Vrain
Issue date:	09/11/1981
From:	Mcbride M PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20010H904	List: ML20010H903 ML20010H913
References
LER-81-052-03L, LER-81-52-3L, NUDOCS 8109290407
Download: ML20010H913 (1)

Text

S NRC FOEM 366 U. S. NUCLEAR REOULATO RY COMMIS$10N 47 77f '*

LICENSEE EVENT RE? ORT CONTROL SLOCK: l l l l l l lh (PLEASE PilINT OR TYPE ALL REQUIRED INFORMATIONI

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vl s I CODE vl 1 l@l 14 0 10 l - 10 l LICENSE 15 0 l o NUMBER l o l o l- lC l 025l@l26 4 IlLICENSE l l l2TYPEl 0 JOl@l67 CAT CON'T lO111 F S So$"CE 60 l L hl 015 61 l 010 l0 l 21617 OOCKET NUM8ER 68 69 hl 018 l1121811 hl019 EVENT DATE 74 75 REPORTIl II l 8 Il80l@

DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h I o 12 I l One of the two bearing water makeup pumps was recoved from service to repair a valve j i o 13 ; l bonnet leak with the plant at power. Ihe valve leak had not rendered the pump inoper-l Degraded mode of LCO 4.2.2. Reportable per Fort S t. Vrain Technical Specifi- l 1 o 1. l [ab le.

t o ! s ; I cation AC 7.5.2(b)2. Redundant equipment operable and available. No effect on publicl l o 16 l l health or safety. Similar events reported in RO 79-26 and RO 80-77. l l

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9 10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION

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CAUSE DESCRIPTION AND CORRECTIVE ACTIONS I i l o l I The cause for this event was the removal from service of a bearine water makeup pump l l i i i I l with che reactor at power. After valve repair was comple ted. the cump was returned tol 1 i 121 I service. The valve is a carbon steel,150 pound, 3 inch check valve, Model 5341 WE , I li;3l l manufactured by Walworth. l l

l i 14 I l 80 7 8 9 ST  % POW &R OTHER STATbS 015 Y Ot#OVERY DESCRIPTION I

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l 416 lhi N/A I LA J@L coerator Observation ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE l1 16 l d h Whl N/A l hA I f PERSONNEL EXPCiSURES NUMBER TYPE DESCRIPTION I

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PERSONNELINJU IES NUMBER DESCRIPTION I

I1 lal 7 8 9 l0 10 10 lhi N/A 11 12 80 LOSS OF OR DAMAGE TO FACILITY TYPE DESCRIPTION l

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Pu8usTY 8109290407 810911' NRC USg ONLY iSSueo PDR ADOCK 05000267 ,

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( 30 3) 785-2224 g NAME OF PREPARER PHONE: