mgnrega material supply , mgnrega material supply , stone aggregate ( single size ) 40mm nominal size , stone aggregate ( single size ) 20mm nominal size , stone aggregate ( single size ) 10mm nominal size , coarse sand ( zoneiii ) , portland cement , hire charges of concrete mixer 0 . 25 to . 40cum with hopper , vibrator ( needle type 40mm ) , solid blocks of size 30x20x20cm , solid blocks of size 40x20x20cm , mild steel tubes hot finished welded type , red oxide zinc chrmate primer , welding by electric plant , galvanised steel corrugated sheets , galvanised steel bolts and nuts 6mm dia and 25mm long round head with slots , galvanised steel j or l hooks 8mm dia , g i limpet washer , bitumen washer , roofing paints for iron sheets in red colour , twisted steel/ defomed bars , pvc pipes 50mm outer dia . 6kgf/cm2