Construction and demolition waste generation rates for high-rise buildings in Malaysia

Abstract

Construction and demolition waste continues to sharply increase in step with the economic growth of less developed countries. Though the construction industry is large, it is composed of small firms with individual waste management practices, often leading to the deleterious environmental outcomes. Quantifying construction and demolition waste generation allows policy makers and stakeholders to understand the true internal and external costs of construction, providing a necessary foundation for waste management planning that may overcome deleterious environmental outcomes and may be both economically and environmentally optimal. This study offers a theoretical method for estimating the construction and demolition project waste generation rate by utilising available data, including waste disposal truck size and number, and waste volume and composition. This method is proposed as a less burdensome and more broadly applicable alternative, in contrast to waste estimation by on-site hand sorting and weighing. The developed method is applied to 11 projects across Malaysia as the case study. This study quantifies waste generation rate and illustrates the construction method in influencing the waste generation rate, estimating that the conventional construction method has a waste generation rate of 9.88 t 100 m, the mixed-construction method has a waste generation rate of 3.29 t 100 m, and demolition projects have a waste generation rate of 104.28 t 100 m.

Exploring Types of Waste Generated: A Study of Construction Industry of Pakistan

“…Multiple methods have been adopted to measure waste generation rates as given in bellow Reference [37][38] identify many studies which measure construction waste generation rates by adopting one of the following measurement methods:…”

Determining Root Cause of Construction Waste Generation: A Global Context

“…It shears 3.9% to the overall Gross Domestic Product of the country [22]. Malaysian economy is predicted to display a sustained growth between 4.3% to 4.8% in the year 2017, and 5.0 % to 6.0% for 2018 [23], the development of construction activities has prompted a prominent increment in the production of construction waste [24]. Moreover, Rahman and Nagapan [25] pointed out that construction industry is facing severe problems due to the massive quantity of construction waste generation in the country.…”

Investigate How Construction Waste Generation Rate is Different for Every Types of Project in Peninsular Malaysia Using Site Visit Method

“…Waste composition density is important for converting the waste to tonnage which very usual to compare all waste data in one unit. According to Solid Waste and Public Cleansing Management Corporation (SWCorp) for convert metric cube to ton need waste composition density as show in table 2 and total waste amounts are generally described in tonnage [6]. …”

“…The types of projects take important role in measuring the construction waste. Unfortunately, there is no accessible information with respect to generation rate of construction waste in Malaysia compare with other nations which they have a particular benchmark on construction waste consistently [6]. Therefore, this study is intended to investigate the construction waste generation and waste generation rate in Malaysia according to all types of project.…”

“…Estimated the waste generation rate may serve as a useful indicator to the waste generation reduction benefits [6]. The amount construction waste generation is varying depend on types of projects [7].…”