21 ward road concreting and kana nirmanam coverslab- material list 2 stone aggregate ( single size ) : 40mm nominal size 3 coarse sand ( zone iii ) 4 portland cement 5 hire charges of concrete mixer 0.25 to 0.40 cum with hopper 6 vibrator ( needle type 40mm ) 7 sundries 8 stone aggregate ( single size ) : 10mm nominal size 9 twisted steel / deformed bars 10 wall form panel 1250x500 11 corner angle 45x45x5mm 1.50m long 12 100mm channel shoulder 2.5m long 13 double clip ( bridge clip ) 14 single clip 15 m.s tube 40mm dia 16 stone aggregate ( single size ) : 20mm nominal size 17 royalty for good earth 18 fine sand ( zone iv ) 19 quarry waste