Practical Analysis of BIM Tasks for Modular Construction Projects in South Korea

Myungdo Lee, Dongmin Lee, Taehoon Kim and Ung-Kyun Lee
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Myungdo Lee: Research and Development Center, Yunwoo Technology Co., Ltd., Seoul 058054, Korea
Dongmin Lee: Department of Civil and Environmental Engineering, University of Michigan, Ann Arbor, MI 48109, USA
Taehoon Kim: Research Institute for Mega Construction, Korea University, Seoul 02841, Korea
Ung-Kyun Lee: School of Architecture, Catholic Kwandong University, Gangwon-Do 25601, Korea

Sustainability, 2020, vol. 12, issue 17, 1-16

Abstract: Building information modeling (BIM) and modular construction are important technologies for construction industry sustainability. This study proposes a relational matrix of key activities and BIM tasks of modular construction projects to analyze practical BIM tasks in Korea. To achieve this objective, 11 key activities and eight BIM tasks are identified through a comprehensive literature review and expert interviews. Then, the relational matrix of key activities and BIM tasks is proposed, and the BIM tasks in the matrix are analyzed in terms of necessity and efficiency using 5-point Likert scales. Finally, the matrix with the BIM utilization index is suggested. As a result, the average BIM utilization index is 0.80 in the off-site phase, and the index results show that 3D shop drawings have the highest index. In the on-site phase, the average BIM UI is 0.73 and the integration of a 4D model with quantity take-off is the most efficient at 0.85. Additionally, from the decision-maker’s perspective, the priority through the index presented helps in making decisions and in practical BIM execution planning. The proposed matrix is a practical reference for decision-makers considering the application of BIM in modular projects, and it contributes to a sustainable construction industry.

Keywords: modular construction; building information modeling; off-site construction; on-site construction; 5-point Likert scales (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2020
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