construction of cc road from srirampur to gilabari under chanchal gp , brick aggregate ( single size ) :40 mm nominal size , hire charges of diesel road roller - 8 to 10 tonne , stone aggregate ( single size ) :10 mm nominal size , stone aggregate ( single size ) : 20 mm nominal size , portland cement , carriage of stone aggregate below 40 mm nominal size , loading unloading & stacking sand / stone aggregate ( less than 40mm nominal size ) , coarse sand , hire charges of shuttering plank ( 25mm-30mm thick ) without prop including all fittings , hire charges of concrete mixer 0.25 to 0.40 cum with hopper , vibrator ( needle type 40 mm ) , thermocol 12.5 mm thick , gst