The New York water distribution network has 20 nodes and 21 fixed pipes. No pumping facilities are considered since only a single fixed head source at elevation of 91.44 m is available. The minimum head requirement at node 16 is fixed at 79.248 m, node 17 is fixed at 83.149 m and all nodes is fixed at 77.724 m. The set of commercially available diameters is [914.4, 1219.2, 1524.0, 1828.8, 2133.6, 2438.4, 2743.2, 3048.0, 3352.8, 3657.6, 3962.4, 4267.2, 4572.0, 4876.8, 5181.6 milimeters].

New York (file .inp)