Automated Integration of Clash Detection Results in BIM Environments

Building Information Modeling (BIM) has significantly improved construction coordination. However, a major gap remains between automated clash detection in Building Model Checking (BMC) systems and practical visualization in design environments. While BMC tools can quickly detect thousands of spatial clashes, converting this data into actionable steps still relies heavily on manual methods. These manual processes often take up 40–60% of meeting time and can result in 15–25% error rates. This research bridges that gap by developing an automated system that transforms coordinates and visualizes clashes directly in Revit. The system solves the issue of misaligned coordinate systems between BMC tools (which use true north) and Revit models (which use project north). This misalignment often causes rotation errors that reduce visualization accuracy. The method uses a mix of mathematical modeling, visual scripting in Dynamo, Python coding, and real project validation. A key finding was that standard coordinate transformation methods assume rotation occurs around the origin (0,0,0). However, most BIM projects use the project base point as the rotation center. Recognizing this, the study developed a new approach to identify the correct rotation center using control point analysis. The system was tested with more than 100 clash points from various building disciplines. It achieved sub-millimeter accuracy (1.3 mm RMSE), which meets construction standards. The full clash dataset was processed in less than 2 seconds, compared to hours using manual methods. This shows over 7,000x improvement in speed and removes common human errors. Professionals from different companies evaluated the system and reported a 92% satisfaction rate. Financial analysis showed a 4.1x return on investment and a one-month payback period, making the tool both useful and cost-effective for routine coordination work. This research offers two main contributions. First a practical tool for clash visualization using Revit and Dynamo and then a theoretical improvement to coordinate transformation methods through accurate rotation center detection. The system is easy to use and fits well into current BIM workflows. It helps users who may not have coding experience while offering powerful results. Overall, it supports better coordination, faster clash resolution, and fewer construction errors—helping move the industry closer to fully digital workflows.