procurement of materials for mini mcf in all wards procurement of materials for mini mcf in13 wards , g.i pipe 50mm dia , g.i pipe 40mm dia , red oxide zinc chromate primer , welding by electric plant , galvanised wire mesh of average width of aperture 1.4 and nominal dia. of wire 0.63 mm , wire nails , epoxy paint , 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 , precoated galvanised steel plain ridges , 200 mm aluminium aldrop , m.s. heavy weight butt hinges 125x90x4.0 mm is : 1341 marked , bright finished or black enameled mild steel screws 50 mm , stone aggregate ( single size ) :20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size , coarse sand ( zone iii ) , portland cement