supply of different materials for construction of cc road from the dhaneswar barman house to krishna barman house under bara atiabari-ii g . p . within dinhata-i p . s . , 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 ) : 10 mm nominal size , stone aggregate ( single size ) : 20 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 , display board , worksite facilities/ crecje/ drinkingwter / first aid , gst