ML19210C097

LER 79-039/01T-0:on 791024,noted That Air Start Sys Hangers Did Not Meet Seismic Requirements Per IE Bulletin 79-14. Cause Unstated.Diesel Air Start Sys Reanalyzed,Existing Supports Upgraded & New Supports Added

ML19210C097
Person / Time
Site:	Calvert Cliffs
Issue date:	11/07/1979
From:	Heibel R BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19210C096	List: ML19210C095 ML19210C097
References
LER-79-039-01T, LER-79-39-1T, NUDOCS 7911130255
Download: ML19210C097 (1)

Text

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60 61 OOCKET NLY8ER 68 69 Ek ENT D ATE 74 75 REDORT O ATE 80 EVENT CESCRIPTION AND PROB ABLE CONSECUENCES O'o oiC iDurino a reanalysis of the #12 and 21 Diesel Generator oice succorts i O 2 las recuired by IE Bulletin 79-14, it was discovered that the air 1 o,,  ; start systen hangers did not meet seismic recuirenents. To r.eet T.S.

ois [3.8.1.1 started D/G's within one hour and ran them centinuously, thereby l 0,e ;rerovina reliance ucon diesel air start system. A similar occurrence i Oi;i [was recorted in LER 79-34 (U-2). 1 i

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44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS 1 C l The cortion of the diesel air start system which had oreviousiv been I thoucht to have seismic supports has been reanalyzed and the existino l

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