FIELD: technological processes.
SUBSTANCE: for method implementation assembled reservoir is used, made of separate sections. Sections are separated by antifiltering curtains. Closed drain device is used, arranged in the form of drain pipes that form annular drainage. Drain pipes are installed from internal side of antifiltering curtains circuits. Specified drain device is equipped with pipes with discharge to the surface, which are used for water supply to sections. Open drainage is arranged in the form of trenches. Trench is equipped with trays along polygon circuit. Level of underground waters inside polygon circuit is maintained below level of underground waters behind curtain circuit.
EFFECT: improvement of precipitation treatment.
2 dwg
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