ML20027C977

LER 82-113/01T-0:on 821005,small Svc Water Leak Discovered on Cooling Coils of Containment Fan Coil Unit 22.Caused by Erosion of Cooling Coils by Silt in Svc Water.Coil Repaired W/Belzona Metal Filler

ML20027C977
Person / Time
Site:	Salem
Issue date:	10/15/1982
From:	Frahm R Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20027C973	List: ML20027C972 ML20027C977
References
LER-82-113-01T, LER-82-113-1T, NUDOCS 8210280128
Download: ML20027C977 (1)

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EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h O 2 lOn October 5, 1982, during a containment surveillance, a small service water leak of g O l aPProximately 0.5 GPM was discovered on the cooling coils of No. 22 Containment Fan  ;

O 4 l Coil Unit (CFCU). The unit was isolated and immediate notification of the NRC was perg g l formed. No. 22 CFCU was declared inoperable and since No. 21CFCUwasalreadyinoperaye, O s l Action Statement 3.6.2.3.b was entered. Both containment spray systems were operable.g g l The event constituted abnormal degradation of containment in accordance with Technical g o8 l Specification 6.9.1.8.c. (82-112,82-111, 82-109,82-101, 82-100) g 7 s9 80

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42 L ^_l@ l "l I2 i 0ig 44 43 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS h g l The leakage was due to erosion of the cooling coils by silt in the service water. Thel t i j leaking coil was repaired utilizing Belzona metal filler and the action statement was l

, 7 l terminated. New design coils will be installed during the next refueling. I i a l l l

t 4 l l 9 a e so SA 5  % POWE R OTHER STATUS Dis O RY DISCOVERY DESCR!PTION d l,,E J@ l 0 l 8 l 2 l@l NA l l ^_J@l operator observation l f ' " " ** ** **

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R. Frahm 609/935-6000 Ext 3078 )

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