AU Class
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Driving BIM Forward: Pioneering Object Data Linking on a U.K. Highway Project

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    The U.K. government has mandated that all government-funded projects must be delivered to Level 2 Building Information Modeling (BIM) by 2016. In a breakout from U.K. convention, companies have used AutoCAD Civil 3D software as the highway design tool for the Building Information Modeling (BIM) model and Revit software and Structural Bridge Design software for the major bridge structures. While 3D BIM models have been around for many years, there usually has not been any attendant data attached (beyond the inherent geometry) to models generated from AutoCAD Civil 3D software. We will discuss various strategies and methods for creating additional asset data in AutoCAD Civil 3D, and propose and demonstrate a method of attaching additional data to the BIM model and linking this to both the AutoCAD Civil 3D software entities and the Navisworks objects for Field BIM software. As part of this process, we will also discuss how Civil 3D objects may be used to represent real-world assets in the BIM model. Finally we will explore the result of customisation using .NET plug-ins to Civil 3D to further enhance the ability to link data to the BIM model.

    Key Learnings

    • Gain an understanding of how an infrastructure BIM design can be created by linking AutoCAD Civil 3D and Revit, and how Civil 3D objects can be used to represent different real-world assets.
    • Understand the various methods of adding additional asset data to model objects, their pro's and con's, and the implications of each method.
    • Understand the methods and limitations of data linking from native AutoCAD Civil 3D software entities to Navisworks software objects in a BIM model
    • Discover how additional customisation of Civil 3D can further enhance the data linking process to allow the population of a database with information from Civil 3D.