Wednesday, February 10, 2016

Model Review - What's in the Model

During a visit with a client this morning, I was reminded on a common task we perform to review models. One of the first things I like to do when reviewing models is see how the Revit sheets were put together. Is the geometry from model elements, Revit's 2D elements or CAD.

Our process is very simple. We simply compare the original sheets provided by the designer to sheets we create out of Revit after we get rid of any linked CAD files, CAD imports and Revit's 2D linework. We then use the power of Bluebeam to compare the two sets of PDFs. Bluebeam will highlight the differences between the two sets of PDF's.

Why is the beneficial? It really depends on how you intend to use the model.

I have seen a lot of "BIM jobs" that have sheets that have been exported out of Revit and "embellished" in AutoCAD. The embellishments are very interesting as this can be anything from adding new callouts to altering the geometry. Using this PDF compare method will quickly allow you to see what is from the model and what is from elsewhere.

This process can be done very quickly. In 15 minutes you can determine how deep you need to dive into your Revit model review.

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