Environmental Implications Of
Onsite Mechanization In The Malaysian
Construction Industry
Author(s)
M. Waris, M. S. Liew, M. F. Khamidi & A. Idrus
Abstract
In Malaysia, there has been a growing need for mechanization in recent years
due to the high construction demand under the Economic Transformation
Programme. Onsite mechanization in construction implies the use of equipment
and machinery that are powered by fossil fuels with the aim of reducing the
dependency on manual labour and to increase productivity, quality and
efficiency. However, this heavy equipment and machinery are also responsible
for issues pertaining to environment, health and safety of human beings. All nonroad
diesel engine machinery emits hazardous gases, particulate matters, solid
waste and contaminate land, water and the environment. Prior research on
environmental impacts of construction works was more focused on raw
materials, its manufacturing and operational phase of the facility. Therefore, the
aim of this research is to focus on environmental concerns that are important
during construction and mainly due to the operation of onsite heavy construction
equipment. Data for the analysis was collected through a questionnaire survey
from Malaysian G7 class ‘A’ contractors. The results of the survey show that
despite the good awareness of Malaysian contractors towards a green
environment, their practices for controlling energy consumption and greenhouse
gases (GHG) are still in their infancy stages. It was also found that environment
management systems are not highly implemented by the contractors. The survey
results further indicate that energy saving, GHG and black smoke emission are
the top ranking concerns of contractors when operating onsite equipment and
Keywords
construction emissions, GHG pollution, mechanized construction
Related Book
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