Size:length*width*high, and the ridge height, slope
Standard:China Standard,England Standard,America Standard or Australia Standard(please supply the detail date)
Crane:Do you need the crane?If you need please tell me the loding.
Country:Which country that the building will be?
Design load:Wind speed, Snow load, Earthquake
Wall and Roof:Steel sheet or sandwich panel
Insulation:Fiber glass, EPS,Rock wool,PU,please tell me the thickness
Surface:Painted (alkyd paint or Epoxy paint) ,Hot dip galvanize
Window:Quantity, material, dimension (W*H) and position
Door:Quantity, material, dimension (W*H) and position
Accessories:Down pipe, Out gutter, Ventilator, skylight etc.