tender for tender for involving cgi/acc/ colour coated sheet roofing and vertical work etc. , dismantling, fabrication & erection of truss & column , fabrication& erection of truss & column , dismantling, fabrication & erection of m.s purlings (roof & side) length of purlings 5.5 mtr. approx , fabrication & erection of m.s purlings (roof & side) length of purlings 5.5 mtr. approx , dismantling, fabrication & erection of bridge (length of bridge 5.5 approx.) , fabrication & erection of bridge (length of bridge 5.5 mtr. approx.) , dismantling of cgi sheets of factory , fixing of cgi sheets of factory (old & new) , dismantling of acc sheets , fixing of acc sheets of factory (old & new) , dismantling of colour coated sheets , fixing of colour coated sheets , replacement of roof ridge , replacement of water gutters of factory building , fabrication & erection of structure and platform , railing, ladder, safety guard from scrap , cleaning of water gutters of factory building