supplying of materials for construction of cement concrete road from eral rabi kar house to chaulkuri vidyasagar club under chaulkuri gp , fine sand , brick aggregate ( single size ) :40 mm nominal size , moorum , hire charges of diesel road roller- 8 to 10 tonne , hire charges of shuttering plank ( 25mm-30mm thick ) without prop including all fittings , nail , thermocol 12.5 mm thick , polythene sheet ( 150 gm per sqm ) , stone aggregate ( single size ) : 10 mm nominal size , stone aggregate ( single size ) :20 mm nominal size , portland cement , coarse sand , hire charges of concrete mixer 0.25 to 0.40 cum with hopper , surface vibrator , paddy straw , display board , miscellaneous / contingencies charges