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Water 2017, 9(6), 376; doi:10.3390/w9060376

Verification of Calculation Method Using Monte Carlo Method for Water Supply Demands of Office Building

1
Department of Architecture and Environmental Design, College of Architecture and Environmental Design, Kanto Gakuin University, 1-50-1, Mutsuura-Higasi, Kanazawa-ku, Yokohama 236-8501, Japan
2
Department of Architecture, School of Science and Technology, Meiji University, Second School Building 4-4301, 1-1-1, Higashimita, Tama-ku, Kanagawa, Kawasaki 214-8571, Japan
3
The Institute for Sustainable Science and Development, Hiroshima University, 1-3-2 Kagamiyama, Higashi-Hiroshima City Hiroshima, Hiroshima 739-8511, Japan
*
Author to whom correspondence should be addressed.
Academic Editors: Ling Tim Wong and Kwok Wai Mui
Received: 7 February 2017 / Revised: 18 May 2017 / Accepted: 19 May 2017 / Published: 26 May 2017
(This article belongs to the Special Issue Water Supply and Drainage for Sustainable Built Environment)
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Abstract

In Japan, there are four methods of calculating water supply demands for office buildings based on SHASE-S 206 and two methods based on the design standard of Ministry of Land, Infrastructure, Transport and Tourism (MLIT). However, these methods were found to produce overestimated values when applied to recent sanitary fixtures with advanced water saving features. To cope with this problem, Murakawa’s Simulation for Water Consumption (MSWC), which utilizes the Monte Carlo method to calculate water usage dynamically has been developed. In this study, we evaluated the validity of MSWC on water consumption of an office building. Actual water consumption data were collected from a six story office building. Water consumption estimates calculated by the six conventional methods and MSWC were compared with the actual measurement values. Though the calculations based on the conventional methods significantly deviated from the actual measurement values, those made by MSWC closely resembled them. View Full-Text
Keywords: water supply demand; calculating method; office building; Monte Carlo method water supply demand; calculating method; office building; Monte Carlo method
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Wu, G.-Z.; Sakaue, K.; Murakawa, S. Verification of Calculation Method Using Monte Carlo Method for Water Supply Demands of Office Building. Water 2017, 9, 376.

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