The construction area of the roof and road rainwater through the rain water or lineardrain after collection, namely by rainwater infiltration facilities so as to reduce the
displacement of ground penetrating rain outside, also can pass after early treatmentdirectly into the rainwater collection system, convenient storage, green area after-
watering, irrgation and road landscape water use.
The common road surface rainwater is collected and transported into the rainwaterpipe network through the rain water inlet or the line drain ditch, and the rainwater
onthe viaduct is collected by the efcient bridge rain mouth to collect rainwater into therainwater pipe network.
In public places such as parks, squares, etc., the new drainage facilities such aspermeable rainwater inlets, permeable inspection wells, gap drains and U typedrains can
be used reasonably.
With the development of the promotion of agricultural greenhouse and largebreeding base, construction of rainwater storage facilities in nearby facilities, bycollecting
rainwater in agricultural greenhouses and farms located near the U typerain water, the water seepage board facilities such as storage,
ease of farming andanimal husbandry less precipitation when water problems, the water resource canbe saved effectively.