1300 The use of a concrete ring with a bottom will greatly facilitate the process of installing the well, as it will not be necessary to separately mount the concrete bottom, and place concrete rings on it.

During the construction of the well, a concrete ring with a bottom is first placed in the pit, and concrete rings of the CS are placed on it. This results in an airtight and deaf tank.

Between the elements of the well system THOR are sealing rings. They provide maximum tightness and reliability of the well. The thickened walls of the system make it possible to lay a well up to 20 meters deep.