supply of materials for construction of cc road from the house of sashibindu adhikari to the house of baisistha bir at dhalpal-i gp , stone aggregate ( single size ) : 10mm nominal size , portland cement , stone aggregate ( single size ) : 40mm nominal size , stone aggregate ( single size ) : 20mm nominal size , carriage of stone aggregate below 40 mm nominal size , carriage of stone aggregate 40 mm nominal size and above , loading unloading & staking sand / stone aggregate ( less than 40mm nominal size ) , course sand , loading unloading & staking sand / stone aggregate ( above 40mm nominal size ) , 1st class picked jhama bricks ( traditional ) , hire charges of shutterring plank ( 25mm-30mm thick ) without prop including all fitting , gst