supply for materials of construction of cement concrete road at netra purba from fp school to chaker sekhs vai maidul gain , 1st class picked jhama bricks ( traditional ) , portland cement , stone aggregate ( single size ) :20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size , loading unloading & stacking sand/ stone aggregate ( less than 40mm nominal size ) , coarse sand , hire charges of shuttering plank ( 25mm-30mm thick ) with prop including all fittings , polythene sheet ( 150 gm per sqm ) , thermocol 12 . 5 mm thick . , hire charges of concrete mixer 0 . 25 to 0 . 40 cum with hopper , empty gunny bag , bamboo ( 8cm-10cm dia ) including fixing , nail