Construction waste minimisation comparing conventional and precast construction (Mixed System and IBS) methods in high-rise buildings: A Malaysia case study

Lachimpadi, Suresh Kumar; Pereira, Joy Jacqueline; Taha, Mohd Raihan; Mokhtar, Mazlin

doi:10.1016/j.resconrec.2012.08.011

Cited by 113 publications

(95 citation statements)

References 17 publications

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“…Begum, Siwar, Pereira and Jaafar, [25], who did research on projects of construction of hostel that used conventional methods of construction in Malaysia found that the production of concrete is number five in the rank (10%). This appears to be same with a research by Lachimpadi et al [19] which mentions concrete and aggregate are the largest waste produced at 60%.…”

Section: Rating Frequency Of Construction Wastesupporting

confidence: 91%

“…Nature of timber that easy to rot also becomes one of the reason why the timber is the highest rank in the production of waste. It can be proofed by Lachimpadi, Pereira, Taha, and Mokhtar [19] in their study which, timber also is the largest quantity of construction waste. Timber will be used as a temporary support to all the concreting work especially for projects using traditional method.…”

Section: Rating Frequency Of Construction Wastementioning

confidence: 90%

“…Llatas [22] state in his study about the production of brick as waste is the second highest of production (12%). In study of mixed system by Lachimpandi et al [19], they mentions the production of bricks is (4%). While as for reinforcement, it took place at the third highest in the ranking (2.96 mean).…”

Section: Rating Frequency Of Construction Wastementioning

confidence: 99%

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The Construction Solid Waste Minimization Practices among Malaysian Contractors

Ahmad

Husin

Zainol

et al. 2014

MATEC Web of Conferences

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Abstract. The function of minimization of construction solid waste is to reduce or eliminates the adverse impacts on the environment and to human health. Due to the increase of population that leads to rapid development, there are possibilities of construction solid waste to be increased shortly from the construction works, demolition or renovation works. Materials such as wood, concrete, paint, brick, roofing, tiles, plastic and any other materials would contribute problem involving construction solid waste. Therefore, the proper waste minimization is needed to control the quantity of construction solid waste produced. This paper identifies the type of construction solid waste produced and discusses the waste minimization practice by the contractors at construction sites in Selangor, Kuala Lumpur and Putrajaya, Malaysia.

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Section: Rating Frequency Of Construction Wastesupporting

confidence: 91%

Section: Rating Frequency Of Construction Wastementioning

confidence: 90%

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The Construction Solid Waste Minimization Practices among Malaysian Contractors

Ahmad

Husin

Zainol

et al. 2014

MATEC Web of Conferences

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“…Although awareness is ranked as one of the most significant success factors for conducting effective C&D waste management (Lu and Yuan, 2010;Osmani et al, 2008;Begum et al, 2009), a lack of training and environmental awareness was also attributed to all project stakeholders (i.e. executive managers, technicians, site managers and workers).…”

Section: Section C Legal Framework For Candd Waste Managementmentioning

confidence: 99%

“…In this sense, results obtained by Wu et al (2014) about C&D waste quantification methodologies could be useful. Construction companies also advocate durable constructions (eliminating the use of prefabricated units) and the promotion of more sustainable techniques and systems in new-start construction projects such as prefabricated elements along the lines of Lachimpadi et al (2012). They also support the use of reused and recycled materials, materials with high possibilities of future reuse or recycling, and refurbishment works over massive demolition works.…”

Section: Section C Legal Framework For Candd Waste Managementmentioning

confidence: 99%

Analysis of the implementation of effective waste management practices in construction projects and sites

Gangolells

Casals

Forcada

et al. 2014

Resources, Conservation and Recycling

113

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In this paper, the implementation of effective waste management practices in construction projects and sites is analyzed, using data from a survey answered by 74 Spanish construction companies based in Catalonia. Most commonly implemented practices were found to be on-site cleanliness and order, correct storage of raw materials, and prioritization of the nearest authorized waste managers. The least widespread practices were the use of a mobile crusher on site, the creation of individualized drawings for each construction site, and the dissemination of the contents of the waste management plan to all workers, to help them to meet its requirements. Waste regulations for construction and demolition, and the corresponding construction waste management facilities, were designed before the recession in the Spanish construction sector. Current waste generation rates are still below predicted levels, and the infrastructure was designed for five times more waste generation. Even so, the percentage of reused and recycled waste currently amounts to 43%. Survey respondents highlighted various instruments and measures that would make the management of construction and demolition waste more sustainable. Most of the opportunities identified by construction firms are within the scope of government and related to a combined system of bonus and penalties and the establishment of environmental awareness and training programmes for all the stakeholders. Within the scope of authorized waste managers, firms suggested improvements such as the standardization of fees, a reduction of the time until the issue of waste management certificates, a higher number of inspections, and a change in the current model of a few large construction waste management facilities. This research is useful to better understand the current status of construction and demolition waste management in construction projects and sites. Thus, the results of this research will guide policy makers and relevant stakeholders such as contractors, clients, architects and engineers to achieve the EU target of recovering 70% of construction and demolition waste in 2020. In this sense, reliable information can help governments and professional associations to set future C&D waste management regulations, training programmes and dissemination tools, inspections, etc.Peer ReviewedPostprint (author's final draft

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