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http://dx.doi.org/10.14400/JDC.2019.17.6.169

A Case Study on Cost-Benefit Analysis of the Septic Tank and Exclusive Sewage Pipe Line in Designing the large Building at Combined Sewer District  

Oh, Hyun-Taek (Division of Business Administration, Cheongju University)
Kim, Sung-Tai (Department of Economics, Cheongju University)
Lim, Byung-In (Department of Economics, Chungbuk University)
Kang, Byong-Jun (Industry-University Cooperation Foundation, Chung-Ang University)
Park, Kyoo-Hong (Department of Civil Engineering, Chung-Ang University)
Publication Information
Journal of Digital Convergence / v.17, no.6, 2019 , pp. 169-175 More about this Journal
Abstract
The aim of this study is to examine the relative economic benefits between the septic tank and exclusive sewage pipe line in designing the large building at combined sewer districts. With the case study of Lotte World Tower Building, we analyze a cost-benefit between two alternatives. The research results showed 2 years of payback period, about ￦6.17 billion of NPV, and 1.93 of B/C ratio for installing the exclusive sewage pipe line in comparison with septic tank. This results provide useful guidelines for policy establishment of the septic tank closure and for plausibility of installing exclusive sewage pipe line when constructing a large building. In the future, it will be necessary to consider additional cost-benefit analysis including burden charge borne by causers, the burden of management responsibility with a exclusive sewage pipe line, and the economic benefits of reducing odor.
Keywords
Combined sewer system; Septic tank; Exclusive sewage pipe line; Net present value; Cost-benefit analysis;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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