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The construction industry plays a significant role not only in economic growth, but also in environmental impacts. As the global recognition on sustainable development, the construction industry is now highly challenged from high material consumption, energy consumption, CO2 emission, and social problems. In addition, Singapore government has launched buildability appraisal system and productivity enhancement scheme to encourage construction industry improve productivity. Under the pressure of reducing environmental impacts and increasing productivity, economic goal is not the only factor that should be considered when doing decision making. There is a clear need for a link between economic performance, environmental performance and productivity performance. Sustainability philosophy and constructability philosophy are useful when establishing such a link. However, little has been done on the …