STRUCTURE FOR TREATING RAINWATER

摘要

An initial rainwater treatment system is provided to separate and treat initial rainwater with high pollution levels of rainwater discharged from a road surface of a road or a bridge selectively. An initial rainwater treatment system includes a main body(10) installed to a drain outlet(110) of a bridge(100) and provided with an inlet(14), an outlet(15) and a screen type basket(16) to filter out impurities with large particle sizes, a screen(11) installed between the basket and the filter to be inclined downward against the horizontal plane of the main body to filter out sand contained in initial rainwater, and a filter unit(13) installed perpendicular to the lower part of the screen of the main body and filled with filter materials(19) to filter out impurities.