supply of material for construction of gravel road from katam to cotbansh school l1 km s 13 under gosairhat gp with in with in sitalkuchi p.s- 1 carri age stone aggregate 40 mm nominal size 2 loading unloading & stacking stone aggregate ( above 40mm nominal size ) 3 river bed materials 4 stone aggregate ( single size ) :63 mm nominal size 5 loading unloading & stacking stone aggregate ( above 40mm nominal size ) 6 loading unloading & stacking stone aggregate ( above 40mm nominal size ) 7 stone screening type 13.2 8 hire charge of diesel road roller 9 rcc pipe 600 mm dia np-3 10 loading, unloading & stacking by manual means ( r.c.c. pipes , c.i. pipes and unreinforced cement pipes ) 600, 700, 750 & 800 mm dia 11 display board 12 worksite facilities / creche / drinking water / first aid 13 gst