AS PART OF THE PLANNED WORK THE SCI CREW HAD THEOVERHEAD CRANE ENERGIZED TO ALLOW ITS USE TO LOWER MATERIAL FROM THE TOP FLOOR TO THE GROUNDFLOOR AFTER LOWERING THE MATERIAL THE CREW TOOK A BREAK AFTER THE BREAK, THE CREW RESUMED DEMOLITION OF THE DUCTWORK IN THE VICINITY OF THE CRANES POWER BUS RAILS WITHOUT THE DENERGIZING THE BUS DURING THIS DEMOLITION WORK, EE MADE CONTACT A BR