construction of cement concrete road from moutala sidhyartha naskar house to krishna das house under mgnregs under brindakhali gp , items of cc road , silver sand , portland cement , stone aggregate ( single size ) :20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size , stone aggregate below 40 mm nominal size , loading unloading & stacking sand/ stone aggregate ( less than 40mm nominal size ) , coarse sand , 1st class traditional bricks ( kiln burnt ) , medium sand , 1st class picked jhama bricks ( traditional ) , stone aggregate ( single size ) : 40 mm nominal size , stone aggregate 40 mm nominal size and above , loading unloading & stacking stone aggregate ( above 40mm nominal size ) , hire charges of concrete mixer 0 . 25 to 0 . 40 cum with hopper , thermocol 12 . 5 mm thick .