4 OLIVER EXHAUST FAN LOUVER EF-1 CORRIDOR FP EQUIPMENT ROOM 3 4 5 6 7 I SWITCH GEAR ROOM GENERATOR ROOM 7 KEY NOTES: it OUTSIDE AIR INURE PLENUM WITH MOTORIZED DAMPER. 36"X36" SHEET METAL BELLMOUTH WITH WIRE MESH SCREEN EXISTING RETAINING WALL LOCATION OF EXISTING TRANSFORMER E