Standardized and refined model construction is essential for achieving real-time dynamic cost control, enabling collaborative work among project participants, planning construction model schedules, and managing cost control dynamically. It also guides completion models for project operation and maintenance management, while expanding BIM technology applications across the information domain.
Enterprises can define the model depth according to the BIM project’s intended development goals. The collaborative development of BIM modeling standards by the government, Tsinghua University, and industry experts—as well as the creation of proprietary BIM modeling standards and family libraries by leading BIM consulting firms—highlights the critical role of standardized models in BIM project operation and growth.
Precisely calibrated standard information models not only provide construction drawings to guide building processes but also enable direct quantity takeoffs, cost budgeting, analysis, and control. They facilitate project construction planning and seamlessly integrate with project operation and maintenance management during later phases. These models can even transform the traditional quota-based pricing system, making costs more market-driven and transparent.
Additionally, leveraging loss data from long-term project experience allows actual information to be embedded directly into the model, eliminating outdated deduction rules—a topic that warrants further research in BIM cost dynamic control. The standardization of BIM components—including the material library, family library, drawing and naming conventions, national standard list project coding, and unified construction and operational information management—directly impacts data integration, quantity estimation, and pricing accuracy across upstream and downstream processes.
Therefore, building a refined and standardized information model forms the core foundation for the entire BIM project lifecycle.
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