BIM technology plays different roles throughout the various stages of prefabricated building projects. These stages can be summarized as follows:
1. Scheme Design: This initial phase focuses on guiding the design of prefabricated buildings and establishing the foundation for subsequent design work. It involves defining the relationship between architectural goals and the environment under specific design conditions. During this stage, spatial concepts, creative expression methods, and structural design schemes are proposed.
2. Preliminary Design: The goal here is to deepen the scheme design by assessing the technical feasibility and economic viability of the project. BIM’s visualization, simulation, and graphic capabilities help compare and select the most cost-effective solutions. This stage also involves setting design principles, standards, schemes, addressing key technical issues, and defining basic forms, with careful attention to collaboration between architectural and structural disciplines.
3. Construction Drawing Design: This phase transitions design toward production and assembly. It focuses on completing detailed drawings for prefabricated buildings, resolving material selection, technical measures, and process methods for production and assembly. BIM supports process simulation, node visualization, and detailed process design to provide comprehensive models and drawing documentation for manufacturing and on-site construction.
4. Production and Manufacturing: At this stage, BIM facilitates the transmission of data and results related to the production and transportation of prefabricated components. It enables effective management of logistics such as transportation and warehousing. By converting design models into machining models, manufacturers can prepare materials and integrate with CNC machinery, enabling automated, information-driven production that enhances component quality and accelerates manufacturing efficiency.
5. Construction Phase: This phase involves pre-construction preparations including technical, material, and site readiness to ensure smooth execution. Project management covers cost control, scheduling, and quality assurance to meet contractual obligations and acceptance criteria. BIM supports progress tracking, component lifting simulations, demand planning, yard management, and coordination with component manufacturers to optimize construction workflows.
6. Operation and Maintenance Phase: The final stage focuses on managing the building’s operation and maintenance to provide a comfortable environment for users. BIM technology helps establish systems for prefabricated component and equipment maintenance, enhancing the management and upkeep of assets throughout the building’s lifecycle.
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