The Hanoi water distribution network has 32 nodes and 34 pipes organized in 3 loops. The piezometric level is 100 m and the minimum network node pressure is 30 m. The set of commercially available diameters is [304.8, 406.4, 508.0, 609.6, 762.0, 1016.0 milimeters].

Hanoi (file .inp)