supply of different materials for construction of cc road from baladanga pry school to prabhal roy house under putimari i gp within dinhata i ps , hire charges of shuttering plank ( 25mm-30mm thick ) without prop including oal fittings , 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 , stone aggregate ( single size ) : 40 mm nominal size , stone aggregae 40 mm nominal size and above , loading unloading & stacking sand / stone aggregate above 40 mm nominal size ) , display board , worksite facilities / crecje / drinkingwter / first aid , gst