Abstract
The rainwater harvesting system (RHS) is a facility installed in accordance with the 「Act on promotion and support of water reuse」 and is currently installed in various buildings such as apartment houses, business facilities, schools, and sports facilities. Rainwater is used for various needs, such as toilet flushing water, tree irrigation, road cleaning water, and landscaped facilities. In this study, rainwater utilization was calculated by performing a water demand-supply time series analysis through a hydrological water balance analysis. The water supply-supply time series water balance analysis was performed based on the recent ten-year period, and the water balance analysis for RHS analyzed the supply satisfaction, rainwater utilization, and rainwater coverage rates according to the demand scenarios of each facility. Through this method, it is expected to become a support tool for planning and operating the storage tank capacity of the target facility by confirming the rainwater utilization for various RHSs with different building uses and demand sources.
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More From: Journal of the Korean Society of Hazard Mitigation
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