StormCAD allows you to design many parts of the sewer network, including gravity piping and structures. The design is flexible enough to allow you to specify the elements to be designed, from a single pipe size to the entire system.

Pipes and structures are designed to consider several constraints, such as allowable ranges of slope, velocity, and cover. In general, the design algorithm attempts to minimize excavation, which is typically the most expensive part of installing sewer piping and structures.

Changes suggested to the model by an constraint based design calculation will be saved to the Physical Alternative that you specify. This Physical Alternative should be uniquely created just for the constraint based design to avoid overwriting the data in your other Physical Alternatives.