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Sustainability 2017, 9(7), 1116; doi:10.3390/su9071116

An Exploratory Analysis of Risks in Green Residential Building Construction Projects: The Case of Singapore

1
Department of Building, National University of Singapore, Architecture Drive 4, Singapore 117566, Singapore
2
Department of Civil and Environmental Engineering, Seoul National University, 1 Gwanak-Ro, Gwanak-Ku, Seoul 08826, Korea
3
The Institute of Construction and Environmental Engineering (ICEE), 1 Gwanak-Ro, Gwanak-Ku, Seoul 08826, Korea
*
Author to whom correspondence should be addressed.
Received: 23 May 2017 / Revised: 19 June 2017 / Accepted: 24 June 2017 / Published: 26 June 2017
(This article belongs to the Special Issue Management Strategies and Innovations for Sustainable Construction)
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Abstract

Recently, an increasing number of green residential buildings have been developed worldwide owing to active promotion from the authorities and increasing interest from customers. However, in the same way as traditional residential buildings, the construction of green residential buildings faces various risks. The aims of this study are to identify and assess the diverse risks in green residential building construction projects, compare their risk criticalities with those in traditional counterparts, and propose helpful risk mitigation measures. To achieve these goals, a comprehensive literature review was first conducted, and a questionnaire was then administered to 30 construction companies in Singapore. Survey results showed that “complex procedures to obtain approvals”, “overlooked high initial cost”, “unclear requirements of owners”, “employment constraint”, and “lack of availability of green materials and equipment” were the top five critical risks in green residential building construction projects. Survey results also showed that green residential building projects were facing risks at a more critical level than those traditional residential building projects. Additionally, this study proposed fourteen risk mitigation measures to tackle the risks in green residential building construction projects. This study has contributed to the body of knowledge by identifying and evaluating the critical risks and mitigation measures in green residential building construction projects. Meanwhile, the findings from this study can also provide an in-depth understanding of risk management in green residential building construction projects to practitioners and thus benefit the practice. View Full-Text
Keywords: green residential building construction projects; critical risks; mitigation measures green residential building construction projects; critical risks; mitigation measures
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Hwang, B.-G.; Shan, M.; Phua, H.; Chi, S. An Exploratory Analysis of Risks in Green Residential Building Construction Projects: The Case of Singapore. Sustainability 2017, 9, 1116.

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