Installation of sewage system, along with other engineering systems, is an integral part of comfortable living in a house or apartment. Also the device of sewage system according to sanitary and epidemiological standards – a prerequisite for the commissioning of the house. Installation of sewage at first glance – not difficult, but in fact it has many nuances and peculiarities. In order for the sewage system to function properly, sewage pipes in the process of operation did not clog, there were no leaks, no unnecessary odors, etc. It is important to qualitatively design and perform installation of the sewage system, observing all the rules and regulations.