In engineering construction, it is essential to recognize that “change is inevitable,” and these changes can significantly impact the smooth completion of a project. Once the schedule plan is established, continuous monitoring of its implementation becomes crucial. This involves comprehensively, accurately, and promptly collecting actual progress data, then comparing it against the planned schedule. If discrepancies arise, corrective actions should be taken or the schedule adjusted based on an analysis of the root causes to ensure timely project completion. Progress control is an ongoing, dynamic, and iterative process.
Accurate comparison between planned and actual progress depends on obtaining reliable real-time progress information. To facilitate this process using BIM, technologies such as 3D scanning (LS) and Geographic Information Systems (GIS) can capture project progress data and directly input it into the BIM model. Alternatively, the latest status can be gathered through cameras or manual inspections and then manually entered into the BIM system. This allows for a clear comparison between actual and planned progress, often visualized through progress comparison charts.
Project managers benefit from BIM by quickly identifying the causes of schedule deviations within the model and taking appropriate corrective measures, such as reallocating resources. If deviations prevent meeting the original schedule, adjustments must be made accordingly. The BIM platform also enables all project stakeholders to access progress information through four-dimensional visualization, promoting information sharing and reducing the risk of communication breakdowns during progress coordination. This collaborative environment supports rapid problem-solving through joint discussions or schedule plan revisions.
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