supply of materials to mgnrega site retender supply of materials to mgnrega site , laying and jointing pvc pipe. heading , quarry waste , stone aggregate ( single size ) :20 mm nominal size , stone aggregate ( single size ) : 10 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 ) , 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 , r.c.c. pipes np2 class 600 mm dia , r.c.c. collars np2 class 600 mm dia , r.c.c. pipes np2 class 450 mm dia , r.c.c. collars np2 class 450 mm dia , fine sand ( zone iv ) , stone masonry , through and bond stone and size 24*24*39cm , stone aggregate ( single size ) :40 mm nominal size , twisted steel / deformed bar , wall form panel 1250x450 mm , corner angle 45x45x5 mm 2.50 m long , column clamp 450*1070mm , crop 2m ( 2-3.5m )