ML19224D827

LER 78-093/03L-1 on 781109:during Normal Operation,Core Drills Were Made Through Diesel Generator Room Walls.Caused by Drills Made to Allow Conduit Through Walls.Conduit Installed & Holes Grouted on 781112

ML19224D827
Person / Time
Site:	Hatch
Issue date:	07/11/1979
From:	Nix B, Nix R GEORGIA POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19224D822	List: ML19224D821 ML19224D827
References
LER-78-093-03L, LER-78-93-3L, NUDOCS 7907170091
Download: ML19224D827 (1)

Text

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AE*CRT OATE eve'4r cEsC31PTICN AND PRCS ABLE CONSEOUENCES Q oi; i While in normal operation, core drills were made throuch the diesel cenerator room iaii walls. The scecific walls were the wall between the l A diesel generator and '.G  !

[ e I switchcear room, the wall between the lA diesel cenerator and IE , itchgear room, the ]

8 l wall between the lE and 1F switchaear rooms, and the wall between the IF and 1G l EE , switchaear rooms. There were no orobable conseauences as a fire watch was estab-  !

[; i lisned cer the recuiraents of Technical Soecification 3.13.6. Public health and l 0is1 ! safety wsre not affected by this incident. I s 3 60 P S T E *.1 CALSE CALSE isV8 SALVE COCE COOE SV9COCE COYPCNE'.T COOE SL3C00E SUSCOOE Inj_j

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CAUSE DESCRIPTION AND CORRECTIVE ACTICNS @

i. i l The core drills were made to allow conduit to be run through the walls. A fire watch t i i, I was established until the walls coulu be repaired. The two holes made in the 1A die- t i, , , sel generator room walls were grouted and the two holes in the IF switchgear room  ;

,i3 l were packed with Kao-wool until conduit could be installed thrcugh them. The conduit l 1 .A l was installed and the holes grouted on 11-12-78. l

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