Early collaboration between design and construction teams is essential for effective BIM technology implementation. This is because the expert knowledge shared during the design phase can be fully leveraged throughout the project.
In China’s current project management model, collaboration and communication between design and construction teams rely heavily on two-dimensional drawings. The construction team is typically not involved during the architectural design phase. As a result, many construction companies end up recreating Revit models instead of using those provided by design institutes. This is due to the high standards for accuracy and completeness required in construction, which most design institute models fail to meet.
There are several key reasons why design institute BIM models do not meet construction requirements:
- First, the information included by the design team often does not align with the data needed by the construction team. Designers provide detailed building information—including geometric data, component attributes, and performance-related analysis (such as structural loads and lighting levels). Meanwhile, construction teams require additional explanatory details for each building component, as well as information about equipment or product power sources and installation methods.
- Second, there is a lack of reliable tools for checking model compliance, along with the absence of standardized criteria and specifications to evaluate the quality of BIM models submitted by design parties.
- Finally, there are no clear regulations or defined responsibilities among all parties involved in BIM technology use in China. Even if a design institute creates a Revit model arbitrarily, there is no legal accountability.
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