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: 05000318/LER-1979-039, Forwards LER 79-039/01T-0 05000318/LER-1979-039-01, /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
References
LER-79-039-01T, LER-79-39-1T, NUDOCS 7911130255
Download: ML19210C097 (1)

Text

63 - a s LICENSEE EVENT REPORT

-

CONTROL BLOCK: l 1

l l l l l lh 6

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) 0 i ["! Dl C l C l N j 214l@l 0101 -l 0 l 0 l 0 010l- 010 25l@l06411L6l CENSE

_

LICENSE NLYSER 1 l 111TN PE JO 1@l57 CAT l 58 l@

8 9 LICENSEE CODE 15 ON'T Oli 9

RE l L l@l 0 5l0l0}0l3l1I81@l11012l4l7l9}@llIll0l7I719l@

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

Oisi I 30 S 9 CE CC E SL8CO E COVPCNENT CODE SLBC CE 3 CDE Ol9 8

I El E 3 m l@ l 3 l@ l A l@ al 5i Ul Pl 0l Rl mTl@ ~l Al@ l Zl@

1, ,: :0 AEFORT S EVISIC N SEOLENTt AL CCCL A D E *.CE EVENT YE AR REPORT NO. COCE TYPE NO.

LER AO

@ ,iE, Peg 17 l9 l l_l l 0l 31 91

6 l/l l0 l1 l 29 lTl JJ l-31 l 0l 0;

_;1 ;2 23 24 .c OS TAK A TO ON PLANT YET C *0LAS S 8 : FCRP 8. 5 FDL E Y N FA TLAER l03e l@l04 El@ IZl@

25 lZ a6 l@ ,

4 10 10 10 10 l 40

[jll@

41 l42 Ni@ IA 43 l@ lXIolalol@

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

, , , , supports uporaded and new suoports added. This is the only item of non-  ;

, 3 compliance that was identified by the recuired IE Bulletin 79-14 l

, , ;Walkdowns. I 90 4 9

• . POW E R OTHER STATLS IS O Y DISCOVERY DESCRIPTION ST S i s l l@ l0l0l0l@ N/A l lDl@lVisualInsoection l ACTivlTV CONTENT AMOUNT OF ACTIVITY LOCATION CF RELEASE AELEASED OF RELE ASE i s N/A l l N/A i 7 P 9

] Z l @ l Zl@ TO 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE D E SCRIPTIO N l

i 7 1010l01@lZl@l N/A PERSONNEL INJU IES Nuv8Ea oESCRIPTION@

I 010 l O l@l12 N/T

^

1 gj f 80 4 9 11 LOSS OF OR CAMAGE TO FACILtTV 1l )*/{()

qq g } {} ',

- '

TvPE DESCRIPTION i 9 8 9 lZl@lN/A 10 80 PU81L ICITY A J -

NRC USE ONLY DE SCRIPTION U45 7911130c3C. - I l!IIIIl1IIIIl:I

o 155I'E Ol 44 ] N/A 68 69 80. ;

8 9 TO NAME OF PREPARER

. . eDel PHONE:

'