1.1 Cable tray CT-5 is routed through Electrical Room 210 at 3 feet 6 inches above finished floor, crossing the switchgear SG-2 working clearance zone. 1.2 Cable tray CT-8 is routed through Electrical Room 214 along the ceiling, outside the switchgear SG-4 working clearance zone. 2.1 Conduit bank for Data Hall 2 feeders is routed underslab, stubbing up at column line 12.