BIM is a database created through 3D computer modeling, containing a vast amount of critical information throughout the entire building lifecycle. This data dynamically changes and adjusts during the entire construction process. The primary purpose of establishing a BIM database is to enhance project quality, reduce costs, and increase profits. This can be understood through the following key points:
1. Faster Calculations and Improved Accuracy
By developing a 6D linked database, BIM allows for precise and rapid calculation of project quantities, significantly enhancing the accuracy and efficiency of construction budgeting. Thanks to the component-level data granularity within the BIM database, it can quickly provide the necessary data to support management across various project lines, effectively improving construction management efficiency. BIM technology can automatically calculate the physical quantities of construction projects—a function traditionally handled by quantity calculation software, with many practical applications in China.
2. Data Access and Decision Support
The data stored in the BIM database is computable, offering extensive support for the project’s data backend. Basic project data can be coordinated and shared among management departments, while information on project quantities can be summarized, segmented, and analyzed based on spatial and temporal dimensions or component types. This ensures timely and accurate delivery of fundamental project data, providing decision-makers with a solid foundation for managing project groups, progress payments, and other cost-related aspects.
3. Precise Planning to Minimize Waste
A significant challenge in achieving refined management in construction companies is the inability to quickly and accurately obtain vast amounts of engineering data to support resource planning, often leading to reliance on guesswork. BIM technology enables relevant management teams to swiftly access accurate engineering data, offering effective support for creating detailed personnel and equipment plans. This greatly reduces waste in resources, logistics, and warehousing, providing the technical foundation for controlling material requisition and consumption.
4. Multiple Comparisons for Effective Control
Management relies on data, and project management fundamentally depends on managing core engineering data. Timely and accurate acquisition of relevant engineering information forms the core competitive advantage in project management. The BIM database enables quick access to essential project data at any moment. By comparing contract consumption, unit prices, total costs, plans, and actual construction data, project managers can accurately determine profitability, detect excessive consumption, identify uncontrolled unit prices in purchases and subcontracting, and effectively manage project cost risks.
In summary, the importance of establishing a BIM database is immense. Without the support of BIM technology, basic project data cannot be obtained in a timely manner, leaving headquarters unaware of the cost, schedule, funding, and overall status of project departments. This results in extremely poor project risk management. As construction projects increase in number and expand geographically, the risk control capability of construction enterprises depends solely on the skills and ethics of individual project managers, making it difficult to build core competitiveness.
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