supply of materials for construction of village hat at shyamsundar near g . p . , find sand , polythene sheet ( 150 gm per sqm ) , stone aggregate ( single size ) : 10 mm nominal size , stone aggregate ( single size ) : 20 mm nominal size , portland cement , stone aggregate below 40 mm nominal size , loading unloading & stacking sand/stone aggregate ( less than 40 mm niminal size ) , coarse sand , fly ash bricks ( traditional ) , twisted steel/deformed bars , g . i . pipes 40 mm dia , galvanised steel corrugated sheets , galvanised steel bolt & nuts 6 mm dia and 25 mm long head with slots , galvanised steel j or l hooks 8 mm dia , gi limpet washer , bitumen washer , medium sand , black japan