Evaluating Professionals’ Perception of Risk factors Influencing Green Construction Projects in Nigeria
Abstract
Buildings bring a plethora of benefits to society. However, they have a detrimental effect on society due to their high energy consumption, which often results in resource depletion, air pollution, and the generation of wastes that are difficult for the environment to absorb. To address these issues, developed countries have advocated for green buildings (GBs), which pose a less environmental risk. While numerous efforts have been made to identify and assess risk factors affecting green buildings in developed countries, little evidence is available on assessing the perception of construction professionals on risk factors affecting green buildings in developing countries like Nigeria. In response to this knowledge gap, this study aims to evaluate the perception of construction professionals on risk factors affecting green projects, specifically green building (GB) projects in Nigeria. Data were collected through a questionnaire purposively distributed to construction professionals (Architects, Builders, Engineers, and Quantity Surveyors). A sample size of 373 was derived using Krejcie and Morgan (1970), and a total of 137 correctly completed questionnaires were retrieved. Descriptive statistics and analysis of variance were used to analyze data from the retrieved questionnaires. The results showed that the professionals’ overall assessment of the risk factors having a high impact is: “construction accidents,” “inefficient communication and coordination,” and “labour and materials price fluctuations.” The findings present differences in the perception of construction professionals (Architects, Builders, Engineers, and Quantity Surveyors) on risk factors affecting GBs and provide a basis for different project participants to implement appropriate risk management strategies according to their perceptions of risk importance.
Keywords: Green buildings, Energy efficient projects, Risk factors, Professionals, Nigeria
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