Utilization of roof garden installation to reduce rainwater runoff in urban residential

Lestari, Endah and Sofyan, Muhammad (2020) Utilization of roof garden installation to reduce rainwater runoff in urban residential. IOP Conf. Series: Materials Science and Engineering, 852. ISSN doi:10.1088/1757-899X/852/1/012029

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Abstract

The role of natural resources is very important in fulfilling human life dan must be managed in non-destructive ways. The discoveries of technology utilized, and managed natural resources is very important and more beneficial in the future. The water resources are one of natural resources can be managed. The rainwater runoff caused a significant problem for many cities due to lack of catchment area. Roof garden becoming potential solutions in controlling the volume of rainwater runoff. Several studies, rooftop garden have not been fully implemented in developing countries due to high construction and long-term maintenance costs. The roof shape can affect to the construction and installation of a roof garden. The research is a roof garden type that can be adapted to the most used roof on the area. The method is to design, build and install the roof garden on sloping shape roofs type. By watering the roof garden, we get the result of minimum runoff according to soil condition. The water maximum infiltrated to soil and the percentage of runoff that occurs is 22% from total water. The conclusion of this research is the roof garden influences the surface runoff; this cause positive impact on reducing rainwater runoff.

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