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System Introduction

This system is suitable for drainage and collection of roofs of underground garages. Large basements and planting roofs often form stagnant water due to frequent precipitation and untimely drainage of the drainage layer. Excessive accumulation of water will soak plant roots and roof waterproof layers. It will cause the death of plants and damage the roof waterproof layer, which will bring huge losses.
The traditional roof drainage method is that the water deflector and blind ditch are matched with slope finding. This method requires labor and materials and can only achieve smooth local drainage, and cannot meet the current requirements of sponge cities and smart buildings.
The PSC system is mainly composed of special-shaped drainage sheets, drainage grooves, ventilation observation tubes, rainwater recovery tanks, etc., adopting the principle of siphon drainage and negative pressure, and laying by regions, the rainwater retained in the special-shaped drainage sheets can be quickly and organized into the rainwater recovery pool. It can be used twice to avoid stagnant water and protect the planting layer and waterproof layer. It has economic and social benefits, and it can be used once and for all.

PSC system process flow

PSC system principle

(1) Rainwater or irrigation water penetrates through the soil layer to the composite protective drainage profile;
(2) The water on the composite protective drainage special-shaped piece is collected into the special drainage groove of the garage roof;
(3) The water in the special drainage tank flows into the sedimentation observation well through the siphon pipe arranged around the garage;
(4) The water in the sedimentation observation well flows into the reservoir after sedimentation;
(5) The property reuses the water in the reservoir or discharges it into the municipal rainwater pipeline.

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