supply various type of materials for the work of construction of cement concrete road with earth work from lalchand to hajru haji via siraj sk at bhagabatipur under rathbari gp , fine sand , 1st class picked jhama , stone aggregate ( single size ) : 10 mm nominal size , stone aggregate ( single size ) :20 mm nominal size , portland cement , stone aggregate ( single size ) :20 mm nominal size , loading unloading & stacking sand/ stone aggregate ( less than 40mm nominal size ) , coarse sand , hire charges of concrete mixer 0 . 25 to 0 . 40 cum with hopper , vibrator ( needle type 40 mm ) , hire charges of shuttering plank ( 25mm-30mm thick ) without prop including all fittings , thermocol 12 . 5 mm thick . , polythene sheet ( 150 gm per sqm ) , display board