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As a development country, the economic keep on growing and a lot of construction project will be carry out. Since this construction project is kept on increases, it will face a major problem on waste management. It is no longer strange or new for the construction waste and pollution produced in the sites which affect the environment issue.
Reuse and recycling of construction waste is now a big recommendation for nowadays construction industry. There is a waste management which conducts a different management process in all over the world. Malaysia is using the "Site Waste Management Plan" to control the waste in our country. However, there are not much contractor follow the "Site Waste Management Plan" and just simply dump the construction wastes anywhere.
The aim of this study is to learn the ways of recycling and reuse of construction waste management in a construction. Basically this study focus on what type of waste recycle to be use, which construction waste can be recycle or cannot be recycle, and the successful demolition of waste. With the study of waste management in Malaysia, I can know how the contractor did the waste management and how much level of awareness about waste minimization by contractor.
Construction projects are required to make sure that it give impulse to the economy, improve the standard of living and provide opportunity for jobs. The overall construction industry make profit to the country however it is not an environmentally-friendly industry as it will cause air, water, noise and land pollution which all can be linked to the construction industry (Mohd Nizam Bin Yusoff, 2010).
It is to be said that the construction industry creates chances and injects money into a nation's economy by giving an opportunity for foreign and local investment (M. Agung, 2009). However, despite these contributions, the construction industry has also been linked to global warming, environmental pollution and degradation (Jones & Greenwood, 2009).
As we all know that not only construction can generates a huge amount of pollutants, including solid waste, noise, dust and water, other industries also will generate but in a small amount as compare to construction industries (Ball, 2002; Morledge & Jackson, 2001).
To start construction activities, construction cannot start if no any other direct influence industries. There are many direct influences on many other industries which define as both purchasing the inputs from other industries and providing products to almost all other industries, eliminating or reducing waste will produce a great amount of cost savings to society (Polat & Ballard, 2004).
The construction industry is one of the main contributors towards the development of nations, providing the necessary infrastructure and physical structures for activities such as commerce, services and utilities.
Construction waste is no longer a new issue or topic for a construction industry. Some waste is unavoidable even the design is perfect in a construction industry. The construction industry facing a problem that where will they find a landfill sites for construction waste. As for construction industry, the contribution of waste is also considers as a huge amount among the overall waste produce in a country. In Malaysia, contractor is seen to be not much considered about the construction waste management and the waste produce is high for construction industry. Such circumstances will lead to a problem for solving on the construction waste.
Although Material Storage Management (MSM), the new concept for minimizing the waste in the construction industry is recognize, but contractor is not fully participate for this new concept. As the cost of labour is expensive than building materials cost, contractor rather allow construction material waste than put more human resources in managing the waste materials (Yau and Wong, 1997; Wong, 2000). Since foreign country are advance in controlling the construction waste strategies, Malaysia as a developer country should also consider about the problem occur in construction waste management.
Recycling of construction waste will help the communities to reach the goal by preserve valuable space in their local landfills (Schlauder and Brickner, 1993). Nowadays many reuse and recycle method for construction waste which will lead to minimization of construction waste. Contractors will have to participate on such recycle method to overcome construction waste management problems.
Untitled.pngFigure 1.1 Percentage of solid waste in 1994 by ï¼ˆHassan et al.ï¼Œ1998)
As this figure is concern, it specified that for the solid waste, it contribute the most among the other waste produce in a construction industry in Malaysia.
To help Malaysia generate wealth, construction industry is very important and also the development of social and economic infrastructures and buildings (K. A. M. Kamar, Z. A. Hamid 2011).
Construction and demolition waste is usually disposed or dump in landfills. Recent recognition of the potential for diversion from the-landfills of more and more waste generated had lead to a target to be recycle (Peng et al., 1997.), (Trankler et al., 1996).
Construction waste has affected the environmental problems especially for many large and developing cities. About 38% of the construction waste is generated from construction, which is among 6,408 tonnes of waste per annum are produced from construction activities. The amount wastes generate from construction industries is high as compare to other industry. This problem will affect the cost to expel the construction and demolition waste rising rapidly as it is becoming more and more expensive. The construction and demolition waste (C&D) is the most critical waste in the whole world.
According to Malaysia Environmental Quality Report 2005, the total quantity of wastes in a year is 548,916.11 metric tonnes. This is a huge amount of wastes that we need to be considered and find out a way to control this situation. As from the Malaysia Environment Quality Report 2005, the oil and hydrocarbon waste has the highest percentage 22.4 while phenol/ Adhesive/ Resin waste has the lowest percentage of 0.3. On the other hand, for the type of industry, electronic waste is the highest with percentage of 23.7 while printing and packaging waste is the lowest with percentage of 0.5.
Construction industry is a huge consumer of non-renewable resources and a massive producer of waste and the operation of the buildings are responsible for about half of the toal CO2 emissions (K. A. M. Kamar, Z. A. Hamid 2011).
Therefore, it is needed to find out the solution and way to conduct waste control to minimize the construction waste. This must be start from now on and being practice by all construction industry to avoid pollution of environment and reduce the construction waste.
Scope of Study
Construction waste management is too wide for carrying out a research as waste is classified into two types, waste of material and waste of manpower. In this situation, I will narrow down the scope of study for construction waste management in order to get my work done smoothly. In this case, I specify my scope of work by focusing on several aspects on construction waste management.
Main focus of my research is on the Kuala Lumpur construction company's waste management practices in Malaysia. I will mainly focus on type of construction waste material which are metal and also concern about metal industry. This is because metal is considers as the middle waste produce in the construction industry and it is a common waste. Metal is always being used by construction industry and almost all the metal waste are not reuse or recycle in a proper ways.
Besides, I will also focus on how the contractor reuse, recycle and remove other construction waste material from site. As for different construction industry, they will practice different ways of settling the construction waste and this will be interesting to be known.
Aim and Objectives
To study the ways of recycling and reuse of construction waste management in a construction.
To investigate the actual practices on reusing and recycling of construction waste materials on site.
To determine which construction waste can be recycling and which construction waste cannot be recycle.
To determine the several factors lead to the success for recycling and demolition of construction waste.
I will carry out my research by conducting literature review to further understand and be more familiar on the title and scope of research that I had chosen. I will try to read ad much information as I can about my topic which mainly obtains from internet, journal, books, newspapers, magazine and reference books. My literature review focus on the ways to recycle construction waste material, cause an effect of construction waste material and construction waste material pollution issue. As an overall picture, I carry out literature review to furnish myself on the construction waste management scope in our country.
As for this research on construction waste in Malaysia, I will conduct questionnaire which mainly focus on main contractor, developer and sub-contractor. I will give out my questionnaire to about 70 construction firm to help me complete my survey question. I expected that I will receive about 30 respondents to enable me to analyze on the result and continue carry out my research study. The survey questions are design based on the aim and objectives that is stated earlier.
Interview will be conduct with main contractor or site agent to further understand their ways to remove construction waste in the site. Throughout interview, I can find out the difficulties of handling construction waste. Contractor can share some experience on how to reduce the waste or how to remove the waste on construction site to me and I think this might be helpful for me to do my research.
Mohd Firdaus bin Mustaffa Kamal, 2009, Reduce, reuse, recycling and recovery technique in sustainable construction waste management. Viewed on 13 July 2012, available from :< http://eprints.uthm.edu.my/1681/1/MOHD_FIRDAUS_MUSTAFFA_KAMAL.pdf>
Kamarul Anuar Mohamad Kamar and Zuhairi Abd. Hamid, 2011, Sustainable Construction and Green Building: The Case of Malaysia. Viewed on 14 July 2012, available from:< http://www.google.com.my/url?sa=t&rct=j&q=construction%20waste%20in%20malaysia&source=web&cd=23&ved=0CGIQFjACOBQ&url=http%3A%2F%2Fwww.cream.com.my%2Findex.php%2Fpublication%2Fsustainable-and-green-construction%2F24-sustainable-construction-and-green-building%2Fdownload&ei=GkYBUKOcEYLqrQfS__WWBg&usg=AFQjCNFNl4hgLCbKTAMnRHvEmnocSZp6iw>.