ML19254E311

LER 79-135/03L-0:on 790925,timers for Recirculation Spray Pump,Chemical Addition Discharge Valve & Casing Cooling Pump Discharge Valve Were Found Out of Spec.Caused by Incorrectly Set or Defective Time Delay Relays for Equipment

ML19254E311
Person / Time
Site:	North Anna
Issue date:	10/26/1979
From:	Cartwright W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19254E303	List: ML19254E302 ML19254E311
References
LER-79-135-03L, LER-79-135-3L, NUDOCS 7910310442
Download: ML19254E311 (1)

Text

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[o [3 ] pump 1-RS-P-1 A, chemical addition tank discharne valve MOV-OS102 A. n nr1 encing eno14ng I pump discharge valve MOV-RS101A were found to be out of speciffentinn during thn I o a o 5 l performance of the 18 month Containment Depressufiza t ion Ac tua t ion Fitnc t i nn,1 Tont I o e l Since redundant equipment, with timers within specificarfons u,c nunt1,hin thn k n ,i t i,1 l 017 l l and safety of the general public were nqtaf fected. Ennnrenhin nnren,nt to T s A n _1 I I

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33 34 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h lThe cause of the problem was that the time delav relays for tbo onntn,nne inunluna I i o

[i li l lwere either incorrectly set or defect tvo. The agastats for 1 p % P- 1 A nna vny neiny I I

g,;7; lwere reset to provide the proper time delav and the avastat for MOV-RS101 A u,c lilal l replaced. I I

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