material supply for work shed-ward-18 , stone for masonry work , stone aggregate ( single size ) :20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size , coarse sand ( zone iii ) , portland cement , mixer machine , vibrator ( needle type 40 mm ) , solid blocks of size 30x20x15cm , mild steel tubes hot finished welded type , red oxide zinc chromate primer , welding by electric plant , gi trafford profile sheet 0.35mm thick , bitumen washer , 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 , stone aggregate ( single size ) : 40 mm nominal size , fine sand ( zone iv ) , twisted steel / deformed bars