civil work roof sheet for factory - dismantling of all existing old colour coated sheet, cgi sheet & acc sheet, polycarbonate sheet from power house, dryer house, pump house & sugar godown stacking these dismantled sheet as per direction of mills management. 2 supply of trapezoidal galvalume colour coated sheet having covered width of 1000mm ( total width -1060mm ) 35mm crest at pitch of 250mm stiffened with 8mm deep intermittent corrugation sheet be made from base metal 0.50mm thickness in steel of grade 345 as per astma792 coated with alloy mass 150gm total both side with colour coating having complete dip treatment process with chromat conversion ( cr+3 ) as main treatment followed by pv primer 5 micron on each surface 20 micron dft on exposed surface ( sheet shall be supported with manufacturer certificate ) overlapping and wastage of sheet will not be paid separately. so rates must be quoted accordingly 3 fixing of above sheets with necessary self drilling screw 4 supply of ridge of same material as item no. 02 having total width of 900mm. the net laid length will be paid. overlapping of ridge profile has no bearing on the quoted rates. 5 fixing of ridge with all necessary jointing material inclusive cost of bolts, nuts, washers, sealing material, cutting hole making drop and funnel etc. 6 supply of 3mm thick polycarbonate sheet of same trapezoidal profile as of sugar godown no.2 for replacement andfor power house as per item no. 2 7 fixing of polycarbonate sheet with necessary self drilling screws 8 supply of 6mm thickness acc sheet of charminar make 9 fixing of acc sheet with hooks & washers complete for roof & cladding 10 supply of corrugated g. i. sheet 22 gauge, make- jsw / tata 11 fixing of corrugated g. i. sheet with necessary hook, washer, screws etc. 12 fixing of old colour coated sheet and polycarbonate sheet for roof & vertical 13 supply& fixing of self driving screws an