How to competently choose a place for the sewer system

Start construction should be selected for the location for the sewer system. Why is it necessary? The sewage system has many purposes, the main ones are the removal of human life, waste and rainwater. The use of the sewer system today is not a luxury, but rather a necessity, both in the city and in villages and small villages. It is worth noting that sometimes there is a need to pump out waste by Ilosos.