material supply for mgnregs works , item , solid blocks of size 30x20x15cm , portland cement , coarse sand ( zone iii ) , stone aggregate ( single size ) :20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size , twisted steel / deformed bars , pvc pipe 50 mm outer dia. 10 kgf / cm2 , stone aggregate ( single size ) : 40 mm nominal size , fine sand ( zone iv ) , stone for masonry work , polyethylene water storage tank with cover and suitable locking arrangemnet , item 2 , pvc elbow 63 mm dia , pvc bend 63 mm dia , pvc end cap 63 mm dia , pvc socket / coupling 63 mm dia , pvc reducer 63x50 mm dia , solvent , pvc pipe 63 mm outer dia. 4 kgf / cm2 , gi trafford profile sheet 0.35mm thick , bitumen washer , galvanised wire mesh of average width of aperture 1.4 and nominal dia. of wire 0.63 mm , mild steel tubes hot finished welded type , wire nails , g.i limpet washer , galvanised steel j or l hooks 8 mm dia , galvanised steel bolts & nuts 6 mm dia and 25 mm long round head with slots , aracanut post , red oxide zinc chromate primer , welding by electric plant , stainless steel screws 50 mm