By linking contract lists, progress data, and other relevant files to the BIM model, the displayed quantities and project cost information are continuously updated to reflect the actual construction progress. These quantities can be broken down and summarized according to the project’s current status, facilitating accurate settlement of progress payments. Additionally, quantities can be categorized and calculated based on building components and equipment pipelines, which assists in verifying subcontracted work volumes.
The resulting cost documents can be intuitively compared and analyzed against the BIM model, making the process more visual and transparent. Detailed records of changes in approved work sections are maintained accurately and clearly, providing technical support for progress payment accounting as well as subcontracted quantity verification.
When managing engineering changes and claims, modifications to a component’s properties within the BIM model—such as adjusting door and window dimensions—impact quantities like wall masonry and beam sizes, as well as overall project costs. Thanks to BIM’s capability to handle geometric operations and spatial relationships between components, the system automatically adjusts related quantities of surrounding elements. This allows for rapid summarization of cost changes caused by modifications and helps promptly identify the implications of engineering changes.
BIM technology also enhances project fund management and adjustment. By integrating scheduling data and component cost information with the BIM model, it can automatically analyze quantities and prices throughout the construction process. This generates a fund utilization curve that clearly reflects the investment status, offering a detailed and reliable basis for the project team to plan and allocate funds effectively. After project completion, cost accounting, analysis, and evaluation can be performed through comprehensive comparisons.
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