Modular v. Stick-Built Construction: Identification of Critical Decision-Making Factors
نویسنده
چکیده
This research study identifies critical decision-making factors that can help designers and constructors in selecting modular construction versus conventional “stick-built” technique for commercial building projects. The decision-making process of selecting one construction method over the other is complex and based on a number of factors some of which are site conditions, skilled labor availability, transportation conditions, organizational readiness, local codes, project schedule and budget, sustainability requirements and design complexity. The aim of this study is to identify the most critical factors that must be considered by the decision-makers for selecting modular or stick-built construction. The study employed a mixed methods research design and was divided into three phases. In the first phase, through an in-depth literature review and interviews with six industry professionals, ninety seven decision-making factors were identified. In the following phase, a questionnaire survey was conducted to determine quantitative rating and raking of these factors. In the final phase, with the help of a focus group of five industry professionals, twelve critical decision-making factors were shortlisted, validated and rank ordered. Moreover, the barriers that might be preventing the widespread use of modular construction were also identified. It is hoped that the presented findings will help project stakeholders in making more informed decisions about the appropriate construction method selection.
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