improvement of road by earthfilling and cc from bairat kali mandir to chapdaha swasan at bairat 3209001002 / rc / gis / 642946 improvement of road by earthfilling and cc from bairat kali mandir to chapdaha swasan at bairat 3209001002 / rc / gis / 642946 , hire charges of diesel road roller- 8 to 10 tonne , brick aggregate ( single size ) :40 mm nominal size , 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 40mm nominal size ) , coarse sand , hire charges of concrete mixer 0.25 to 0.40 cum with hopper , vibrator ( needle type 40 mm ) , hire charges of shuttering plank ( 25mm-30mm thick ) without prop including all fittings , thermocol 12.5 mm thick. , polythene sheet ( 150 gm per sqm ) , gst