... speed,snowload,earthquake (take any other serious weather into account)D)material for wall and roof : EPS,PU,PVC or ... sandwich panelE)It is better for you have the drawings or the pictures4)Load: 40FT GP,20FT GP, 40HQ,40OT5 ... raining condition, geological condition, aseismatic requires.c)The dimension: length, width, heightd)The function of the building, and if need any interior equipmentse ...