Factors Affecting Sustainability Performance during the Construction Stage in Building Projects-Consultants’ Perspective

Background:

The construction industry significantly contributes towards enriching human inhabitation within the built environment. However, the industry generates one-third of the world’s carbon emissions per annum (a major contributor to climate change). In response, a sustainable construction development agenda has been propagated by governments worldwide.

Objective:

This research investigates the factors affecting sustainability performance during the construction stage of building projects in the Gaza Strip from consultants’ viewpoint.

Methods:

A questionnaire was distributed to 35 consultants, and 31 completed questionnaires were returned, representing a response rate of 88.57%. A total of 55 variables were considered in this study and listed within three thematic factor groups, namely, economic, social and environmental factors. Data collected were analysed using factor analysis and relative important index within the Statistical Package for the Social Sciences (v22).

Results:

Results indicated that the most influential factors are i)Economic:professional fees of engineers and consultants, energy cost and use of full equipment capacity; ii)Social:availability of knowledge and skills in the labour force, increased burden on infrastructure as a result of the use and depletion of natural resources and public awareness; and iii)Environmental:environmental regulations, pollution generation and waste generation.

Conclusion:

Lack of awareness about economic and social sustainability was found due to the traditional definition of environmental sustainability and the upper and indirect super-vision of consultants to the construction stage.

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