ML19276F869

LER 79-009/03L-0 on 790307:calculated Torus Water Level Did Not Provide Proper Torus Water Vol Per Tech Spec.Caused by Failure to See Pressure Differential Between Drywell & Torus Holds Level in Downcomers Was Below Torus Level

ML19276F869
Person / Time
Site:	Peach Bottom
Issue date:	04/06/1979
From:	Cooney M PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
LER-79-009-03L-01, LER-79-9-3L-1, NUDOCS 7904130256
Download: ML19276F869 (1)

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Calculated torus water level lower limit did not provide proper torus j [o ]3 l [

1 water volume as required by Technical Specification 3.7. A.1.a. Con- 2

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secuences are considered minimal becuace the inventory was never core 2 o s L than 3% below the lower limit as specified in Technical Specification o

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the_ pressure differential raintained between drywell and torus holds the

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2 vel in the downconers lower than the torus level. At the largest l

differential utilized an error of 3% was introduced. A procedural chance

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