From Interlocken Loop Go East On Via Varra, Turn Right On W. Midway Boulevard And Go South Around The Building. This Is A 4 Story Building Shaped As A Big Horseshoe. Turn Left To Follow The Building Design And Go To The Exterior Door #5 Which Is At The Loading Zone On The Northeast End Of The Horseshoe Parking Lot. There Is A Cal Box Located At The Door, Enter Here.