The drainage system is not as simple as it seems at first glance. Distinguish deep, vertical and surface systems.
Deep. This type of drainage is a horizontal system. It consists of a drake, buried in the ground. They are laid in pre -dug ditches or trenches on a prepared base. All dug ditches and trenches are reduced to a collector pipe, according to which water flows into the well. Polodsev can be several pieces — it all depends on the size of the land and its layout. Such a system is already the nature of the vertical drainage system.