supply of different materials form const . of gravel road from tapu adhikari house to prafullya roy house at samsad no . 14 under matalhat gp within dinaha-i dev . block aap no . 080512161402 , stone aggregate below 40 mm nominal size , loading unloading & stacking sand/ stone aggregate less than 40 mm nominal size ) , river bed metal , stone aggregate ( single size ) : 63 mm nominal size , stone aggregate 40 mm nominal size and above , loading unloading & stacking stone aggregate ( above than 40 mm nominal size ) , stone screeint type a ( 13 . 2mm ) , higher charges of diesel road roller 8 to 10 tones , r . c . c . pipe 600 mm dia np3 spigot , stone aggregate below 40 mm nominal size , nail , bamboo ( 8cm-10cm dia ) including fixing , fine sand , emptry gunny bag , work site favilities , display board , gst