ML19340B894

LER 80-062/01L-0:on 801021,isolation Valve for a Purification Train Would Not Close Either Electrically or by Handjack.Cause Unknown.Valve Will Be Tested & Evaluated When Plant Conditions Permit

ML19340B894
Person / Time
Site:	Fort Saint Vrain
Issue date:	11/05/1980
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19340B891	List: ML19340B890 ML19340B894
References
LER-80-062-01L, LER-80-62-1L, NUDOCS 8011120529
Download: ML19340B894 (1)

Text

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NRC FORM 066 U. S. leUCLEAR REGULATOQV COMMISSION s (7 771 LICENSEE EVENT REPORT CONTROL SLOCC l I  ! l l l lh e

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) lo t il8 9I C t UCENSEE 7

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[-]"f 1@lo l 5 l0 lOCCKET 60 61 0 loNUV8gq l 2 l 617 @l1 l0EVENT 68 69 l2 l1 D ATE l 8 l0 @l il il REPORT 74 75 Ol 51 CATE 8l Ol@ 30 EVENT OESCAIPTION AND PROS A8LE CONSEQUENCES h l o 1 : 1 l While operating at 47' thermal power and 144 We, it was determined that the isolation l g o i 31 l valve for the A purification train (HV-2301) would not close either electrically or I l o 14 ; l by handjack and was therefore considered inoperable at that time. At 0830 hours0.00961 days <br />0.231 hours <br />0.00137 weeks <br />3.15815e-4 months <br /> on (

o;3i i 10-22-30, the valve was made operable on the handiack and the valve was manually ]

3 ;5 i } closed. There was no effect on public health or safety. Reportable per rort St. l l3l-l l Vrain Technical Specification AC 7.5.2(a)9. l t o In i I I a3 80 SYSTEM CAUSE CALSE COMP. VALV E CCCE COCE SUSCODE COVPONENT C00E SLSCOCE SUSCCCE jojg}

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i i4 1 1 further modifications to lessen chanees of inocerabilitv.  !

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