tender for ayampara school kitchen shed construction ward 2, 1 stone aggregate ( single size ) : 40 mm nominal size 2 stone aggregate ( single size ) :20 mm nominal size 3 carriage of stone aggregate 40 mm nominal size and above 4 carriage of stone aggregate below 40 mm nominal size 5 coarse sand ( zone iii ) 6 carriage of coarse sand 7 portland cement 8 carriage of cement 9 hire charges of concrete mixer 0.25 to 0.40 cum with hopper 10 vibrator ( needle type 40 mm ) 11 stone aggregate ( single size ) : 10 mm nominal size 12 cement 13 coarse sand 14 laterite stone of size 35x20x20cm 15 structural steel such as tees, angles, channels and r.s. joists 16 steel 17 red oxide zinc chromate primer 18 carriage 19 adjustable span eso+si ( 2.35-3.40 ) 20 adjustable telescopic prop 3 m ( 2.02-3.75m ) 21 beam clamp 300-380 mm ( 450-1070 mm ) 22 wall form panel 1250x450xmm 23 corner angle 45x45x5 mm 2.50 long 24 column clamp 450x1070 mm 25 prop 2 m ( 2-3.5m ) 26 twisted steel / deformed bars 27 carriage of steel 28 fine sand ( zone iv ) 29 fine sand ( 1 part badarpur sand : 2 parts jamuna sand 30 multi surface paint 31 special primer ( c.w ) 32 vitrified floor tile 60x60 cm 33 carriage and sundries 34 pvc pipe 40 mm outer dia. 10kgf / cm2 35 stone aggregate below 40 mm nominal size 36 brass stop-cock 15 mm dia