supply work under mgnega item description hire charges of diesel road roller- 8 to 10 tonne , stone aggregate ( single size ) :63 mm nominal size , r.c.c. pipes np2 class 450 mm dia , stone aggregate below 40 mm nominal size , stone aggregate 40 mm nominal size and above , display board , gst , bamboo ( 8cm-10cm dia ) including fixing , nail , loading unloading & stacking sand / stone aggregate ( less than 40mm nominal size ) , loading unloading & stacking stone aggregate ( above 40mm nominal size ) , stone screening type b ( 11.2mm ) , river bed material , empty gunny bag