When comparing BIM with traditional models, many people have their own perspectives and conclusions. Today, I will discuss this topic from three key aspects: quantity extraction, process data control, and technical management.
Quantity Extraction: Traditionally, quantity calculation relies on budget personnel manually measuring from construction blueprints. They spend hours sifting through numerous drawings, which is not only time-consuming and labor-intensive but also prone to errors and omissions, potentially leading to significant losses. Using a BIM data information platform allows for fast, accurate, and efficient extraction of engineering quantities, while preventing redundant calculations across different departments.
Process Data Control: Throughout a project’s progress, data control is essential—for example, in construction material declarations, progress payment applications, subcontractor payments, and supplier material settlements. In traditional approaches, these are often estimated broadly, with detailed settlements done only after project completion. This can cause underreported progress payments, overpaid subcontractor fees, and opaque data that may enable unscrupulous managers to exploit the system. BIM provides precise, transparent, and efficient process data by accurately supplying foundational project information.
Technical Management: Technical management lies at the heart of construction process oversight. Traditionally, technical solutions and drawings are presented in two-dimensional formats. BIM revolutionizes this by simulating potential clashes among various disciplines in three dimensions before construction begins. This approach generates coordinated data sets, addressing the traditional challenges of lengthy review times, low efficiency, and difficulty identifying issues in 2D drawings. For example, when balancing mechanical and electrical pipelines, traditional methods rely on the mechanical and electrical general contractor stacking CAD drawings and creating partial 2D sectional views for coordination. BIM enables each discipline—HVAC, plumbing, fire protection, electrical, and building intelligence—to build separate 3D models, which then automatically generate collision reports through 3D clash detection between disciplines.
By considering these three aspects, readers can identify their own concerns or interests when comparing BIM with traditional methods. I hope this overview provides valuable insight and assistance.
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