tender for kamakshy grama panchayath mgnrega supply of material for minimcf ( 18 works ) in 1 to 15 wards , materials , mild steel tubes hot finished welded type , red oxide zinc chromate primer , sundries , welding by electric plant , galvanised wire mesh of average width of aperture 1.4 and nominal dia. of wire 0.63 mm , wire nails , gi trafford profile sheet 0.35mm thick , bitumen washer , stainless steel screws 50 mm , precoated galvanised steel plain ridges , stone aggregate ( single size ) :20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size , coarse sand ( zone iii ) , portland cement , hire charges of concrete mixer 0.25 to 0.40 cum with hopper , vibrator ( needle type 40 mm ) , 200 mm aluminium aldrop