ABSTRACT
A sewer system is introduced as a series of pipes and manholes. At a manhole, the design flow from the adjacent tributary area is calculated using the Rational method. A sewer is sized with its normal flow capacity at 80–100% full. The entire sewer system is then evaluated with the energy principle (backwater effects) under a specified water surface elevation at the system exit. In general, a sewer system is designed with its conveyance capacity under the assumption that the storage effects are negligible. In this chapter, the final design of a sewer system is presented with its vertical and top-view plans.
