supply of different materials for construction . of cc road from rangpur road to jaladhar barman house under gitaldaha-ii g . p . within dinatha-i dev . block , 1st class picked jhama , stone aggregate ( single size ) : 20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size , portland cement , stone aggregate below 40 mm nominal size , loading unloading & stacking sand / stone aggregate less than 40 mm nominal size ) , corse sand , hire charges of shuttering plank ( 25mm-30mm thick ) without prop including oal fittings , display board , worksite facilities / crecje / drinkingwter / first aid , gst