During the construction phase, traditional two-dimensional construction drawings often require cross-referencing plans, elevations, and sections to fully grasp the design intent from the design institute. Complex nodes can be particularly challenging to convey in 2D diagrams. Even when construction personnel attempt to interpret the designers’ intentions, misunderstandings frequently occur, leading to results that deviate from the original design. These discrepancies often cause rework, resulting in significant financial losses and increased management pressure for the construction team.
Traditional 2D construction drawings often contain numerous design errors. These errors can lead to design changes during construction, causing work stoppages, rework, and delays. Such disruptions increase costs and impact project schedules, placing additional financial burdens on the construction team.
Construction projects typically span long durations. Without proper resource allocation aligned with the schedule, procurement costs rise, materials may be wasted, secondary handling and storage expenses increase, and overall management costs escalate.
BIM technology offers a solution by enabling construction personnel to directly access 3D design models. When combined with 2D drawings, this helps workers better understand and verify design details, significantly improving the efficiency and accuracy of reading drawings and reducing the risk of rework. During the preparation stage, BIM-based measurement and costing software can calculate quantities, costs, progress metrics, and budget forecasts. This capability facilitates reasonable resource allocation, material procurement, storage, and usage planning, laying the groundwork for refined construction management and boosting the construction team’s economic performance. Additionally, 3D models allow for simulation of construction progress, helping to monitor and control the overall project timeline.
Early in construction, the use of 3D BIM models enables easy collision detection, helping to identify and resolve design conflicts ahead of time. This proactive approach reduces work stoppages and delays, simplifying construction management.
Throughout construction, BIM-based measurement and costing tools quickly and accurately calculate completed quantities and costs according to contract payment schedules. This generates detailed, auditable progress payment data that supports timely and full payments, minimizing the financial risks associated with advance payment funds. For complex construction nodes, BIM technology also enables virtual construction simulations, allowing the construction process to be rehearsed digitally, which provides clear guidance for on-site workers.
The advent of BIM technology has transformed cost control throughout the construction phase, offering robust data support for managing construction and installation expenses as well as progress payments. It effectively addresses the challenges of large-scale data analysis in engineering projects.
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