supply of different materials for cc road from nabi bakas house to osman ali house under putimari ii gp within dinhata i ps , 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 , nail , bamboo ( 8cm-10cm dia ) including fixing , fine sand , emptry gunny bag , display board , worksite facilities / crecje / drinkingwter / first aid , gst