05000321/LER-1978-093-03, /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

/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: 05000321/LER-1978-093, Forwards LER 78-093/03L-1 05000321/LER-1978-093-03, /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
References
LER-78-093-03L, LER-78-93-3L, NUDOCS 7907170091
Download: ML19224D827 (1)

LER-1978-093, /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

Event date:
Report date:
3211978093R03 - NRC Website

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~3 AE*CRT OATE sJ 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

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There were no orobable conseauences as a fire watch was estab-i lisned cer the recuiraents of Technical Soecification 3.13.6.

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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 l were packed with Kao-wool until conduit could be installed thrcugh them.

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