Assessing energy and greenhouse gas emissions of construction of residential buildings on sloping sites

Royal Institution of Chartered Surveyors
Publication Type:
Conference Proceeding
RICS COBRA AUBEA 2015, 2015, pp. 1 - 6
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Climate change is one of the most pressing issues facing Australia today. This is a challenge and responsibility that is shared by all Australian households. Residential construction continues to increase each year to cope with the demand due to population growth. Improvement to construction process is a key to achieve the goal of sustainable construction. Due to land scarcity, construction on sloping sites has become a common construction method for residential development in Australia. However this method has significant negative environmental impacts as it damages topsoil, disturbs natural drainage and groundwater pathways, and imposes additional stress on soil. This paper presents the results of a research project undertaken at the University of Technology Sydney in collaboration with FWPA to examine the life cycle cumulative energy demand and greenhouse gas emissions of the construction process of residential projects on sloping sites. Fifty-two case studies of detached dwellings were conducted in New South Wales. The research findings reveal that the slope of different types of soil has a positive correlation with cumulative energy demand and greenhouse gas emissions. The paper also presents recommendations and strategies to minimize impacts of construction of this nature.
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