Traditional cost management methods mainly require budget personnel to calculate quantities based on construction drawings and set quotas, which involves a significant workload. When engineering changes occur, it is often challenging to accurately calculate the changed quantities. Issues such as missing data, difficulty in tracking, and inability to promptly identify relevant changes in quantities arise. As a result, accurately calculating, analyzing, and summarizing the impact of changes on engineering quantities and budget costs before and after modifications becomes difficult.
For 3D models created using software like Revit and MagiCAD, importing them into Guanglian Da BIM5D links the winning contract list, quota prices, and subcontractor costs directly to the model. In subsequent stages, the model can retrieve relevant contract lists, quota resources, subcontract costs, and other information through model segmentation and workflow divisions. This allows for seamless integration of contract cost data with the 3D model.
Throughout the project, reporting quantities to the owner and reviewing subcontracted engineering quantities are common contract management tasks. These involve extensive confirmation of on-site completion status, as well as the collection and calculation of quantities. By leveraging the completion and on-site approval records stored in BIM5D, project personnel can quickly calculate the quantities of completed work. This enables rapid preparation of progress payment applications to the client and efficient review of subcontracted quantities. The system also supports automatic accounting of revenue and budget costs for physical project components, facilitating comparison with actual costs. As a result, real-time cost status tracking is achieved, providing accurate data to support timely project decision-making.
Using Revit to create the 3D model and importing quantity calculations from Guanglian Da pricing software into the Navisworks platform for 5D simulation significantly reduces manual workload. Based on quota templates and the planned schedule, budget costs can be automatically calculated. Meanwhile, actual costs are derived from list pricing and real progress data. By combining these with the overall budget, the system dynamically determines costs, expenses, and their relationships at any point during construction. It can generate cost and expense analysis curves, which help identify and warn against issues such as budget overruns or actual expenses exceeding estimates. This provides a quantitative foundation for cost management and delivers timely, accurate data to guide project decisions.
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