tender for providing shed and platform for cooling tower machine at ppc moula-ali, iict, hyderabad. ; 1 earth work in excavation by mechanical means ( hydraulic excavator ) / manual means over areas ( exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan ) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by engineer-incharge.all kinds of soil 2 providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level :1:5:10 ( 1 cement : 5 coarse sand ( zone-iii ) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources ) 3 providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : 1:2:4 ( 1 cement : 2 coarse sand ( zone-iii ) derived fromnatural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources ) 4 brick work with common burnt clay f.p.s. ( non modular ) bricks of class designation 7.5 in superstructure above plinth level up to floor v level in all shapes and sizes in :cement mortar 1:6 ( 1 cement : 6 coarse sand ) 5 filling available excavated earth ( excluding rock ) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. 6 steel work in built up tubular ( round, square or rectangular hollow tubes etc. ) trusses etc., including cutting, hoisting, fixing in position andapplying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. completehot finished welded type tubes 7 providing and fixing precoated galvanised iron profile sheets ( size, shape and pitch of corrugation as approved by engineer-in-charge ) 0.50 mm ( + 0.05 % ) total coated thickness with zinc coating 120 grams per sqm as per is: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should besupplied in single length upto 12 metre or as desired by engineer in-charge. the sheet shall be fixed using self drilling / self tapping screws of size ( 5.5x 55 mm ) with epdm seal, complete upto any pitch in horizontal / vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. 8 painting with synthetic enamel paint of approved brand and manufacture to give an even shade : two or more coats on new work ( area of the shed is measured for payment ) 9 12 mm cement plaster finished with a floating coat of neat cement of mix : 1:4 ( 1 cement: 4 fine sand )