Office building section, plan, dry wall construction and auto-cad details that includes a detailed view of reception area, waiting area, cabin, bottom false ceiling, computer lab, bottom of grid ceiling, counselling room and library, conference room, manager cabin, meeting room, cleaning department, departmental office with layer- wall core polystyrene base material thickness of, layer-3 of wall of "to the base of concrete of thickness, concrete chain and much more of office details.