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Productivity improvement strategies for green construction projects: performance comparison and critical factors
Bon-Gang Hwang1
,
Lei Zhu2*
,
Jonathan Tan Tzu Ming3
,
,
1Department of Building, National University of Singapore, Singapore
2Department of Construction and Real Estate, Southeast University, China
3Rider Levett Bucknall, 150 Beach Road Singapore, Singapore
*교신저자. *Corresponding Author. 
March 2017. pp. 45-53
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Abstract

Although the number of green construction projects has been drastically increased for the past decade, the study on the productivity of delivering such projects is rare. As a result, this study aims to: (1) investigate and compare the productivity performance of green and traditional construction projects; and (2) identify the critical factors affecting the productivity of green construction projects with comparison against traditional construction projects. To achieve the objectives, 26 factors were first identified from a comprehensive literature review. A questionnaire survey was then performed with 32 professionals experienced in green construction projects in Singapore, and three post-survey interviews were also conducted. The results first revealed that green construction projects experienced productivity issues and that the delays caused by these issues occurred more frequent in green construction projects. The analysis further identified that ‘workers’ experience’, ‘technology’ and ‘design changes’ were the top three critical factors affecting the productivity of green construction projects. This study not only fills the gap in the knowledge area of the productivity of green construction projects but also points out the right directions for practitioners to deliver green construction projects in a more productive manner.

Keywords
project productivity
green construction projects
performance
critical factors

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Information
  • Publisher :Sustainable Building Research Center (ERC) Innovative Durable Building and Infrastructure Research Center
  • Publisher(Ko) :건설구조물 내구성혁신 연구센터
  • Journal Title :International Journal of Sustainable Building Technology and Urban Development
  • Volume : 8
  • No :1
  • Pages :45-53
  • Received Date : 2017-01-16
  • Accepted Date : 2017-01-18
  • DOI :https://doi.org/10.12972/susb.20170004
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