manufacture and supply of prefabricated offrs and jco living shelter erection made of polyurethane foam (puf) wall panels of 60mm thick (make : lloyd/bnal pre fab/modern pre fab/me techno) with both inner and outer sheet of the panel made of gi metal plain sheet . inner plain sheet with slight ribs. inner and outer sheets to be of 240 mpa gi with 180 gsm zn coating/300 mpa galvalume steel with 150 gsm alu-zn coating of size 19.53m x 6.10m (out to out of rhs columns) and 3.10 m clear headroom.