ML19275A273

LER 79-034/01T-0:on 790914,noted That Air Start Sys Hangers Not Built to Meet Seismic Requirements.Caused by Error Classifying Lines as Nonseismic.Installation of Seismic Pipe Supports Upgraded Diesel Starting Air Sys

ML19275A273
Person / Time
Site:	Calvert Cliffs
Issue date:	09/28/1979
From:	Heibel R, Russell L BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19275A266	List: ML19275A265 ML19275A273
References
LER-79-034-01T, LER-79-34-1T, NUDOCS 7910030440
Download: ML19275A273 (1)

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DATE EVENT DESCRIPTION c,ND PROBABLE CONSEQUENCES h o 2 i During inspection of 12 and 21 diesel cenerator oice hancers per IE Bulletin I o 2 1 79-14, discovered that the air start system hangers were not built to meet I oiA i seismic requirerents. In order to meet T.S.3.8.1.1 D/Gs were started within I o s [ one hour and ran continuously. This action eliminated the reliance on the air o e start systerr for operability. This is not a recetitive occurrence. I o 7 I I

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43 44 Xl9l9l9lg 47 CAUSE DESCRIPTION AND CORRECTIVF ACTIONS i o IThe installation of seismic oice succorts uoeraded the diesel startina air 1 i i systen to meet seismic recuirements. These succorts had not been oreviously I

, 7 ] installed due to an error that classified these lines as non-seismic. The

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