This book contains detailed designs of Sewer networks using Sewer GEMS software. So it will be helpful for designing purposes. All CPHEEO manual guidelines are followed. Other than these step by step methods of using SewerGEMS software is well described in the book. So it will be very useful for the beginners. Also images of all the steps and results are included in book. Flow chart of method is included as well. The book can be very useful for designing as well as understanding the concept of SewerGEMS software.