BIM Q&A: Why BIM Technology Enhances Construction Cost Control – A Comparative Study of BIM 5D Versus Traditional Methods

The comparison between dynamic cost control during the construction phase using BIM5D technology and traditional methods highlights key differences in collaboration levels, technological tools, and control cycles.

1. Varying Levels of Collaboration

In traditional construction management, project personnel often exhibit low awareness of collaborative efforts and cost control during the construction phase. Cost control is typically viewed as the sole responsibility of the cost department, neglecting the fact that effective cost management requires cooperation from all departments. As a result, cost control efforts tend to be ineffective. In contrast, BIM5D-based dynamic cost control involves all project management members through software platforms and other tools, enabling joint efforts to manage costs effectively.

2. Different Technological Approaches

Traditional dynamic cost control relies heavily on 2D CAD drawings for engineering measurements, pricing, and material demand planning. However, information sharing among departments and personnel is limited, leading to data silos and coordination challenges. BIM5D technology, on the other hand, depends on collaborative software that requires real-time data input from various professional teams. This fosters information sharing and teamwork, eliminating data loss and communication barriers, ultimately enhancing the efficiency of construction cost management.

3. Distinct Control Cycles

Traditional dynamic cost control primarily focuses on post-construction cost analysis, often using project milestones as checkpoints to review cost data. Due to the volume and fragmentation of data, gathering accurate information is challenging, resulting in inefficient analysis and potential inaccuracies that fail to reflect the true cost status. Moreover, the delay between cost analysis intervals means deviations are often detected too late, sometimes causing irreversible impacts. In contrast, BIM5D-based dynamic cost control aligns with the PDCA (Plan-Do-Check-Act) cycle, enabling continuous, real-time monitoring of project costs. This approach allows for immediate detection and correction of any deviations, improving overall cost management accuracy and responsiveness.

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