supply of mini mcf installation , mini mcf installation , steel work in built up g i tubular ( round, square or rectangular hollow tubes etc. ) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete , item shifted to sub head 14 as item 14.73 item shifted to head 14 as item 14.74 steel work welded in built up sections / framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.in gratings, frames, guard bar, ladder, railings, brackets, gates and similar works , 12.50 modified as rate of aluminium trafold profile sheet to505 / m2 ) providing and fixing aluminuumprecoated trafold sheet trafold profile sheet size, shapeand pitch of corrugation as approved by eengineer 0.46mmthick or nearest size. the sheet shalb fixed using self drilling / self taping screws etc with allcost., conveyance and all labour charges , painting with synthetic enamel paint of approved brand and manufacture to give an even shade:two or more coats on new work , providing locking arrangements , vinyle sticker , fixing and installation