parambukav kolikkal chennapoyil road concreting , quarry waste , stone aggregate ( single size ) : 40 mm nominal size , stone aggregate ( single size ) :20 mm nominal size , coarse sand ( zone iii ) , portland cement , hire charges of concrete mixer 0 . 25 to 0 . 40 cum with hopper , vibrator ( needle type 40 mm ) , sundries , stone aggregate ( single size ) : 10 mm nominal size , average rate of mild steel round bars for reinforcements , wall form panel 1250x500 mm , corner angle 45x45x5 mm 1 . 50 m long , 100 mm channel shoulder 2 . 5 m long , double clip ( bridge clip ) , single clip , m . s . tube 40 mm dia