Cost management in construction projects spans the entire project lifecycle. Employing scientific and effective cost management methods is essential to control construction expenses and ensure that costs remain within the allocated budget. Traditional project cost accounting relies on two-dimensional drawings, which are labor-intensive and often lack complete information. This approach frequently leads to discrepancies in quantity calculations, resulting in engineering disputes and financial losses.
Leveraging BIM technology allows for precise control over project costs. By integrating key information such as progress, budget, resources, and construction organization into a 3D BIM model, the construction process can be simulated. This simulation provides comprehensive and accurate core data—including material consumption, process measurements, and cost accounting—in real time. The BIM model automatically generates component lists and calculates material quantities, which, when combined with unit prices, enable automatic project cost calculation. Moreover, BIM’s adaptability allows the model to promptly update data and project costs in response to design modifications or changes in component prices made by the design team.
Additionally, the 5D-BIM model can simulate project progress, facilitating dynamic control over project execution through simulation. Without BIM software, calculating project costs during construction depends entirely on manual methods, which are prone to errors. BIM-based cost control automatically processes information such as project progress, completion status, and changes at various stages. It provides real-time statistics on completed components and cost increases due to changes, enabling automatic project cost calculations according to established classification principles. This ensures that costs remain transparent and understandable throughout the project. Furthermore, during the bidding phase, BIM technology assists in preparing the construction budget, guiding early-stage cost estimates, and enabling dynamic cost control during project execution. The model compares budgeted and actual costs directly. If expenses exceed the budget, the construction management platform triggers an automatic alert, prompting timely adjustments by the construction team to ensure successful project completion within budget.
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