tender for vadakkekkara- kizhakke veedu tharavadu road concrete ward 16, 1 stone aggregate ( single size ) : 40 mm nominal size 2 stone aggregate ( single size ) :20 mm nominal size 3 coarse sand ( zone iii ) 4 portland cement 5 hire charges of concrete mixer 0.25 to 0.40 cum with hopper 6 vibrator ( needle type 40 mm ) 7 stone aggregate ( single size ) : 10 mm nominal size 8 laterite stone of size 35x20x20cm 9 structural steel such as tees, angles, channels and r.s. joists 10 red oxide zinc chromate primer 11 adjustable span eso+si ( 2.35-3.40 ) 12 adjustable telescopic prop 3 m ( 2.02-3.75m ) 13 beam clamp 300-380 mm ( 450-1070 mm ) 14 wall form panel 1250x450xmm 15 corner angle 45x45x5 mm 2.50 long 16 column clamp 450x1070 mm