... steel structures, steel bulding, metal building, modular house, steel frame for warehouse,workshop, garage etc, steel beams, other riveting ... or hot dip galvanize! 10) Packing: Main steel frame without packing load in 40'OT, roof and wall ... load on roof(KN/M2) 2)Wind speed(KM/H) 3)Snow load (KG/M2) if have 4) ... and min wheel pressure! large span prefabricated steel construction/light steel warehouse