Sustainable water management: roof as a rainwater catchment area

Abstract

This paper studies on the application of the theory of rainwater harvesting, particularly on the roof as a catchment area. The background of this study is that the implementation of sustainable architecture in design should not have negative consequences for future generations. Awareness of energy conservation by avoiding depletion of resources including energy and water, preventing environmental degradation and creating a comfortable, safe and liveable environment that needs to be considered. The water management is essential for any country in the world, but the unconsciousness in the concept of rainwater management systems makes people not interested in adopting this system. So, promoting the rainwater harvesting system and utilization that system as sustainable rainwater management becomes an important issue and it must be remembered that every drop of the water must be stored and used for mankind. The collection of rainwater in this study is focused on a roof as a catchment areaand to accommodate these objectives, a brief calculation of the roof area is 64m2and the result showed that it can be provide and full fill 100% of the water needs for the latrines flushing and cleaning the house for 19 months.