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Assessment of Sustainable Engineering

   

Added on  2020-02-24

10 Pages3006 Words51 Views
RUNNING HEAD: SUSTAINABLE ENGINEERINGNAMEUNITASSIGNMENTASSESSMENT NUMBER

RUNNING HEAD: SUSTAINABLE ENGINEERING1.IntroductionIn the construction sector wastes have been recorded to taking between 6 – 10% of the actual cost of the project. In consideration of the costs of the projects, some of the cases observed record very high figures and this significance increases with the size of the project (Dempsey et al., 2011). Unfortunately, most efforts to mitigate this wastage have gone ignored as they require measures that would either cost more or take up more time than originally scheduled. Owing to the high volumes of profits and expenditures in this industry, it is hard to take up those measures when they end up doing more harm than good.With the wastes having to be accounted for in every project, the contractors and client end up incurring huge losses. For those projects utilizing concrete as the primary material or significant amount of it, this concrete waste constitutes anywhere from 30% to 55% of the total wastes cost. When these wastes are not properly disposed, they also contribute to environmental degradation marring the image of construction companies and their environmental awareness (Lopez-Mesa et al, 2009). Figures 1 illustrates the waste percentagecontribution of the construction industry while figure 2 illustrates the waste percentage of different materials by volume.Figure 1: Distribution of waste as produced by the industry sectors. Source: https://www.intechopen.com/source/html/17442/media/image3.png1

RUNNING HEAD: SUSTAINABLE ENGINEERINGFigure 2: Distribution of wastes in the construction industry. Source: http://www.metrovancouver.org/services/solid-waste/SolidWastePictures/CWBDMaterialsGoingDisposal.gifCurrently, there are a variety of waste disposal mechanisms in use today which help ensure the impact of the degradation is reduced but these lead to the clients or contractors incurring unhealthy expenses especially this can be mitigated. It is therefore a contractor’s responsibility to endure minimal wastage with maximum possible profit margins. This necessitates further research to develop pocket friendly waste disposal or mitigation methods (Rodriguez et al., 2007). That being the case, modular construction is one such building technique that has enabled manufactures and contractors alike to reduce wastage in construction, maintain healthy profits and provide for the possibility of incorporating sustainability in the construction industry. The purpose of this review is to evaluate the usage of the precast systems along with their material saving properties along with their environmental friendly properties and what makes it a sustainable technique. The research gaps will also be included and the end product will be a literary work that contributes and complements my research project.2.ObjectiveThe objective of this study is to critically analyze the viability of modular construction and specifically using precast concrete in waste mitigation. The analysis will include a set of technical performance measures along with their priority index as well as a breakdown of the 2

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