Comparison of Cost Benefits of New Installation and Retrofitted Rainwater Harvesting Systems for Commercial Buildings

被引：5
|
作者：
Lani, Nor Hafizi Md [1 ]
Syafiuddin, Achmad [1 ,2 ]
Yusop, Zulkifli [1 ,2 ]
机构：
[1] Univ Teknol Malaysia, Fac Civil Engn, Dept Water & Environm Engn, Johor Baharu 81310, Johor, Malaysia
[2] Univ Teknol Malaysia, Fac Civil Engn, Res Inst Sustainable Environm, Ctr Environm Sustainabil & Water Secur IPASA, Johor Baharu 81310, Johor, Malaysia
来源：
NEW TRENDS IN URBAN DRAINAGE MODELLING, UDM 2018 | 2019年
关键词：
Rainwater harvesting; Economic benefits; Rainfall; ECONOMIC-ANALYSIS;
D O I：
10.1007/978-3-319-99867-1_30
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This paper aims to evaluate cost benefits of new installation and retrofitted rainwater harvesting system (RWHS) for commercial building. The selected commercial building is AEON Taman Universiti, Johor, Malaysia. Daily rainfall data were obtained from the Senai International Airport station. The mass balance model was adopted for the simulation approach. Several economic parameters, namely, net present value (NPV), return on investment (ROI), and benefit cost ratio (BCR) are used for the evaluation. Maximum NPV, BCR, and ROI of the new installation RWHS are 1.9, 1.5, and 5.5 times higher, respectively, than those of the retrofitted RWHS. It is concluded that new installation RWHS provides more economic benefits compared to the retrofitted RWHS.
引用
收藏
页码：169 / 174
页数：6
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