The construction process involves continuous data accumulation, and as construction progresses, the information evolves dynamically. Therefore, effective information management during construction is crucial. As a product of the information age in the construction industry, Building Information Modeling (BIM) plays a vital role throughout the construction process, significantly impacting cost management. The main advantages of BIM in cost management include:
1. The process of creating a BIM model simulates the entire construction sequence of a building. This modeling allows for detailed review and verification of drawings. If issues are detected early, communication with clients and designers can address changes before construction begins. This proactive approach prevents delays caused by unclear drawings, avoiding work stoppages and additional costs later in the project.
2. The BIM model contains detailed physical, spatial, and component information. By performing clash detection across different disciplines, design conflicts can be identified early. BIM’s visualization capabilities make it easy to determine if clashes can be resolved internally. If so, adjustment and optimization plans can be developed before construction. Otherwise, feedback can be sent to the design team for modification, preventing costly rework and wasted resources.
3. BIM 5D allows querying of quantities from multiple dimensions, providing essential data for management personnel to create procurement plans and control material requisitions. This supports dynamic resource management and ensures efficient allocation of materials on site.
4. Because BIM components are interrelated, any changes to the model automatically update quantity and cost information. This feature enhances the accuracy and efficiency of tracking changes and managing cost statistics.
5. Traditional cost management often faces challenges in collecting and extracting cost data. BIM 5D integrates models with schedules and budgets, allowing the information database to be dynamically updated. This provides real-time tracking, storage, and retrieval of cost-related data. Managers can use this data to develop funding plans and implement dynamic on-site cost control. By adjusting cost plans based on funding and resource curves before construction, combining BIM data with traditional methods, deviations can be detected early and analyzed promptly, ensuring effective cost control throughout the construction process.
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