Four story office building floor plan layout details dwg file Four story office building floor plan layout details that includes a detailed view of first floor, second floor, basement floor plan, green area, tree view, terrace with car parking view, staircase view, main entry and exit gate, reception area, waiting area, seating area, departmental offices, corporate offices, dining area, meeting room, conference hall, sanitary facilities, computer desks and much more of building floor plan.