supplying of materials for construction of cement concrete road from gumai pwd road to gumai jr. high school under debhog gp mouza gumai jl no 141 plot no 16 to 342 under sabang panchayat samity in the district of paschim medinipur supplying of materials for construction of cement concrete road from gumai pwd road to gumai jr. high school under debhog gp , fine sand , rcc pipe 600 mm dia np- 3 spigot , brick aggregate ( single size ) :40 mm nominal size , moorum , hire charges of diesel road roller- 8 to 10 tonne , hire charges of shuttering plank ( 25mm-30mm thick ) without prop including all fittings , nail , thermocol 12.5 mm thick , polythene sheet ( 150 gm per sqm ) , stone aggregate ( single size ) : 10 mm nominal size , stone aggregate ( single size ) :20 mm nominal size , portland cement , coarse sand , hire charges of concrete mixer 0.25 to 0.40 cum with hopper , surface vibrator , paddy straw , display board , miscellaneous / contingencies charges