keeramkulam road concreting division 7 auegs - keeramkulam road concreting works d7 - supply of material road work , supply of material , stone aggregate ( single size ) : 40 mm nominal size - nominal size ( 0.70 cum -7.5% for voids i.e. 0.05 =0.65 cum , stone aggregate ( single size ) :20 mm nominal size - nominal size , stone aggregate ( single size ) : 10 mm nominal size - nominal size , coarse sand ( zone iii ) , portland cement , stone for masonry work - carriage , quarry muck , hire charges of concrete mixer 0.25 to 0.40 cum with hopper , vibrator