tender for supply & delivary of different diameter ductile iron pressure pipe for water line with socket & spigot ends of k-7 & k-9 class of pipe, conforming to is : 8329/2000 [latest revision & amendment if any] in standerd length, suitable for push on joint, [rubber gasket jointing] from 450 mm to 700 mm diameter (both k-7 & k-9 class of pipe) for the work : augmentation and strengthening of water supply scheme of (i) new barrackpore municipality (ph-i), (ii) south dum dum municipality, (iii) garulia municipality, (iv) kamarhati municipality & (v) kalyani municipality including loading-unloading, stacking, transportation etc. complete in all respect under amrut 2.0.