tender for sbm 2021-22 view cutter screening jali & chamber repair work under zone-05- 1 all kinds of soil 2 1:3:6 or richer mix 3 cement concrete grade m-10 ( nominal mix ) with 20 mm maximum size of stone aggregate 4 cement concrete grade m-20 ( nominal mix ) with 20 mm maximum size of stone aggregate 5 structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoist 6 hot finished welded type tubes. 7 painting steel work with deluxe multi surface paint to give an even shade. two or more coat applied @0.90 ltr / 8 thermo-mechanically treated bars. ( fe 500 d or more ) 9 supply & installation of precoated galvanised iron profile sheets ( size, shape and pitch of corrugation as approved by