supply of different materials form const . of cc road from surendra nath roy house to chalka barman house at samsad no . 12 under matalhat gp within dinaha-i dev . block aap no . 080512161206 , 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 , r . c . c . pipes 600 , mm dianp3-spigot , loading and unloading & stacking by mnanual means 9r . c . c . pipes , c . i . pipes and unreinforced cement pipes ) 600 , 700 , 750 , 800 mm dia , display board , worksite facilities , gst