FIELD: construction.
SUBSTANCE: invention is related to construction and water conservation and may be used for drying of tunnels, underground passages, underground parts of buildings and structures. Drain comprises perforated drain pipe coupled with gutter. Perforated frame pipe is installed inside hole that cuts through wall and adjacent soil. Drain pipe is inserted inside frame pipe. End of drain pipe on internal side of wall is inserted in seat of pressing flange, which is joined to anchor bolts with the help of orifices and nuts, and between wall and flange there is a dampproof rubber gasket. Flange is connected to drain pipe, opposite end of which is mounted into water-drain tray.
EFFECT: invention makes it possible to drain water from soil adjacent to external side of wall, to strengthen draining action, to increase reliability of system operation by prevention of water leakage and sediment oozing inside tunnel, which makes it possible to dry tunnels, underground passages, underground parts of buildings and structures.
1 dwg
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