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Paper w78-2010-113:
BIM-Based Scheduling of Construction – A Comparative Analysis of Prevailing and BIM-Based Scheduling Processes

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Rolf Büchmann-Slorup, Niclas Andersson

BIM-Based Scheduling of Construction – A Comparative Analysis of Prevailing and BIM-Based Scheduling Processes

Abstract: The implementation of BIM in construction will have far reaching implications for the organization of construction works, the roles, relations and responsibilities of the actors, business models, risk distribution, etc. At a project level, the application of BIM for management purposes facilitates the integration of management processes, e.g. integration of time and cost, which enables integrated management of labor distribution, procurement and just-in-time deliveries of building materials, on site logistics, cash-flow analysis, and other resource related aspects that connect to time scheduling. However, even though the potential of BIM is generally recognized in industry, the practical application of BIM for management purposes is still limited among contractors. Thus, the objective of this study is to explore and analyze the gap between BIM-based scheduling and the prevailing scheduling process in construction from a general contractor’s point of view. The purpose of the study is to add knowledge and understanding about to what extent BIM-based scheduling can answer to the principal shortcomings of the current scheduling process. The study of the prevailing scheduling process results in five key areas of importance; Improper supply of information, Collaboration supports validation and acceptance of the schedule, Continuous improvements in scheduling is a challenge, Current scheduling methods fail to support time and resource simulation and optimization, Challenging to overview and communicate scheduling output. The study finds that BIM-based scheduling can answer to the identified shortcomings and best practice work methods in the prevailing scheduling process. However, the full use of BIM-based scheduling is dependent on an organization that foster openness, collaboration and transparency. In addition, obtaining full advantages of BIM-based scheduling presuppose standardization of building components, diffusion of the current phase divided construction process and a shift from decentralized to centralized and collaborative resource management.

Keywords: BIM, planning and scheduling, gap analysis, 4D-modeling, implementation


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