tender for 2023-24 -manickal gp-mgnregs- material supply of material supply of mini mcf construction 21 nos- 1 stone aggregate ( single size ) :20 mm nominal size 2 stone aggregate ( single size ) : 10 mm nominal size 3 coarse sand ( zone iii ) 4 portland cement 5 hire charges of concrete mixer 0.25 to 0.40 cum with hopper 6 vibrator ( needle type 40 mm ) 7 flats up to 10 mm in thickness 8 mild steel round bar 12 mm dia and below 9 welding by electric plant 10 red oxide zinc chromate primer 11 galvanised wire mesh of average width of aperture 1.4 and nominal dia. of wire 0.63 mm 12 wire nails 13 structural steel such as tees, angles, channels and r.s. joists 14 gi trafford profile sheet 0.35mm thick 15 bitumen washer 16 g.i limpet washer 17 galvanised steel j or l hooks 8 mm dia 18 galvanised steel bolts & nuts 6 mm dia and 25 mm long round head with slots 19 precoated galvanised steel plain ridges 20 epoxy paint