restoration of canal from vencode thodiyar to elavarakuzhi , mild steel round bar above 12 mm dia , portland cement , stone for masonry work , stone aggregate ( single size ) :20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size hoppe , coarse sand ( zone iii ) , hire charges of concrete mixer 0.25 to 0.40 cum with hopper , vibrator ( needle type 40 mm ) , structural steel such as tees, angles, channels and r.s. joists , adjustable span eso+si ( 2.35-3.40 ) , adjustable telescopic prop 3 m ( 2.02- 3.75m ) , twisted steel / deformed bars long round head with slots , quarry waste , royalty for good earth , stone aggregate ( single size ) : 40 mm nominal size