Mitigating of Air Pollution in Mega Construction Projects in Malaysia

Chan, Weng Kin (2020) Mitigating of Air Pollution in Mega Construction Projects in Malaysia. Final Year Project (Bachelor), Tunku Abdul Rahman University College.

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Abstract

In Malaysia, the growth rate of the construction sector is increasing in recent years. The local construction sector is expected to grow and mainly contribute to large civil engineering work and building work such as MRT work, infrastructure work, high rise building work and so on in Malaysia. In fact, the rate of emission of pollutants in the construction site is increasing as well. while there is information on air pollution in the construction industry, we should identify the causes of air pollution in the mega construction site and determine a strategy or solution to reduce the air pollution on a mega construction project in Malaysia. Therefore, this research project aims to identify the causes of air pollution and determine strategies or solutions to minimise air pollution on mega construction in Malaysia. This first objective in this research is to identify the causes of air pollution in the mega construction project and the second objective is to determine the strategies or solutions to minimise air pollution in the mega construction project. Both objectives in this research will be identified in order to provide a high quality of research to the reader. Furthermore, the literature review and interview session will carry out as a research methodology to achieve the aim and objective of the study. From the result obtained from the interview session, all the interviewees are agreed that the main causes of air pollutions come from dust pollution, diesel emission and open burning in the construction site. There are some construction activities said by the interviewee such as rock blasting, hacking and demolition work will cause dust pollution. In addition, diesel emission comes from the heavyduty vehicle in the construction site is considering air pollution. Open burning in a construction site is one of the main causes of air pollution as well. The air pollution in mega construction projects normally will occur at the whole stage of construction work but the early stage in construction such as hacking and demolition are causing the most air pollution in a construction site. The air pollution in the mega construction site comes from the construction of reinforced concrete structural works, the completion of architectural work such as bricklaying, pipelaying and rendering due to the plant and machinery operation by the construction worker. Based on the results that the researcher collected, industrialised building system (IBS) is one of the solutions that can minimise the air pollution in mega construction projects because the IBS component is done in the factory while at the site is the only erection of the components. the usage of water is also one of the common solutions to reduce air pollution in the construction site. In addition, rules and regulations must be set up to avoid open burning in a construction site because open burning with building material can cause the air quality to become worse in the construction site. The implication of this research is to identify the causes of air pollution in mega construction projects. The reason for identifying the causes of air pollution in this study is because the rate of air pollution is increasing due to the growth rate of the construction sector is increasing in recent years in Malaysia. As a result, the causes of air pollution and solutions must be identified in order to minimise air pollution in a mega construction site.