Cost control during the construction phase is a crucial aspect of managing expenses in prefabricated building projects. It directly impacts the safety, quality, progress, and overall cost management of the entire construction process. This section explores how BIM technology can optimize various operational procedures during the construction phase, offering practical recommendations for cost control in prefabricated building projects.
1. Construction Preparation
Traditionally, the installation of prefabricated components is carried out by labor teams who often have limited understanding of these components. This can lead to installation errors, resulting in rework and increased project costs. The use of BIM technology addresses these challenges effectively. Before construction begins, Fuzor software generates prefabricated lifting animations to anticipate and resolve potential issues. These animations are stored as QR codes affixed directly to the prefabricated components. Labor teams can scan these QR codes to access detailed construction instructions, reducing errors, minimizing rework, and improving overall construction efficiency.
2. Component Installation
Construction sites often have limited space, requiring different types of prefabricated components to be stacked together. This can cause difficulties in locating or lifting the correct components, which slows down the installation process. By integrating BIM technology with RFID, these issues are significantly mitigated. Project managers can track individual components through the BIM database, precisely identifying their locations. This prevents lost or incorrectly lifted components, streamlining the lifting process and enhancing construction efficiency.
3. Integrated Management
Building on the 3D model of prefabricated buildings, time and resource data are incorporated to create a BIM5D model. This advanced model enables effective control over resource allocation and construction progress, establishing a dynamic construction management system. By linking a BIM5D pricing list to Work Breakdown Structure (WBS) nodes, a detailed cost budget and a dynamic cost information database are developed. Managers can compare planned versus actual progress at any project stage, monitor personnel, materials, and equipment usage within specific time frames, and access detailed cost breakdowns for sub-projects.
Moreover, the system allows for in-depth analysis of planned versus actual schedule costs, schedule deviations, and cost variances across different workflow segments. This insight helps identify issues early and implement corrective measures, ensuring robust cost control throughout the project.
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