Modern methods of construction (MMC) have been embraced by the construction sector of many states, largely due to assertions that some MMC processes can be economically effective and efficient. MMC have been received as opportunities by governments to stimulate economies and meet demands for new homes, and contractors to enter new markets, and generate profits whilst improving the health and safety conditions of work. Although many studies have commented on the implications of using specific MMC, arguing the degrees of their superior time performance, no evidence has been presented on the time performance of multiple MMC in a live house construction experiment, which was also a research project managed by one contractor on one construction site. This paper contributes to the fulfilment of this research gap and presents an analysis of the time performance of five MMC, namely steel-based and timber-frame modular construction, light-gauge modular and panelised light-gauge steel frame construction, and aerated concrete panelised construction. The research method includes an investigation of the residential building design, interviews with relevant construction personnel, and analysis of project data. The actual time performance of these MMC, unlike their planned time performance, was inferior to traditional construction. The planned time performance of panelised construction was inferior to some modular methods. Inadequate site logistics and design issues were the main barriers to achieving the planned time efficiencies. These research findings identify areas of improvement in the time performance of the aforementioned MMC, enlighten governments, employers, contractors, and end users, and offer valuable research data.
Vasil Atanasov (Fri,) studied this question.
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