The development of national BIM standards is a gradual process that cannot be completed overnight. Considering the current domestic BIM application environment, the following recommendations are offered:
1. Focus on current BIM usage. Achieving a fully integrated, holographic BIM model remains challenging during project implementation. The editor of Leg and Leg Teaching Network suggests that current BIM application standards should concentrate on areas with high adoption rates. By studying the characteristics of information exchange and representation in these areas, detailed specifications and guidelines can be developed. As technology advances, BIM will become increasingly powerful in more aspects, so standards should be designed with flexibility for future growth and expansion.
2. Establish principles for structured information. For BIM information to be meaningful, it must be recognized, managed, and verified by computers. If all information relies solely on human interpretation, BIM’s intelligence and efficiency are lost. This requires BIM creators to produce structured information—data that computers can process effectively. For example, traditional modeling software generates unstructured information: walls, doors, and windows lack architectural distinctions and rely on human experience for identification. In contrast, BIM-supported software assigns architectural significance and attributes to these elements, allowing automatic computer recognition, classification, and management. Therefore, building a structured information model to minimize manual recognition and editing is essential to fully harness BIM’s efficiency and intelligence. Creating a structured building model is the core task in BIM development.
3. Standardize the format and interoperability of model information. Just as architectural information in 2D drawings is standardized with unique expression formats, BIM model information should also adhere to unified standards. This ensures model creators deliver building data consistently, and professionals from different disciplines can accurately interpret the information. Additionally, standardizing file formats is crucial. Currently, various BIM modeling software used by design teams each employ their own file formats. Sometimes, software vendors protect their technologies for competitive advantage, causing projects to involve multiple file types that hinder information flow and reduce work efficiency. Some design teams have begun developing their own implementation standards that specify model expression requirements. When establishing national standards, it is important to control the model’s level of detail and the completeness of building information. Guidance should also be provided for managing subsequent model stages, including organizing and classifying data outputs for different purposes.
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