The bottom and absolute

Depending on the manufacturing method, such types of treatment facilities are distinguished:

Sewer containers. They are accumulative devices, as well as cesspools. Their main feature lies in the presence of the bottom and absolute sealing. They function on the principle of accumulation of wastewater to a given level. In the future, the containers are cleaned by a special assignment device. It is worth considering that to create sewer capacities, you do not need to obtain permission. However, they require invariable control and regular service.