Custom Slope and Elevation Grading Family

Typically, when grading a site, an engineer or landscape architect will specify new spot elevations based on desired slopes and existing spot elevations. Grading is mainly just drawing lines across various areas and interpolating spot elevations based on slopes.

While Revit’s current hardscape and Topography tools are not ideal for grading a landscape, it does have the capability to calculate slopes and spot elevations for you. All you need is a custom family with some parameters and formulas set up the right way.

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Hardscape Floors vs Roofs

With a lack of adequate hardscape tools in Revit, many firms and individuals have taken to modeling hardscape with a variety of other families. Two of the most popular hardscape alternatives are Floors and Roofs. They are quite similar in their structure and they can both be modified by sub-elements.

When I was first introduced to the concept of modifying sub-elements it was actually via a Roof. As I have seen the topic discussed and presented, it seems like Roofs are quite popular among architects and structural engineers, perhaps because they are more familiar with shape-editing Roofs. But after using both Floors and Roofs for hardscape, I have found Floors to be the better option.

Here are the reasons why I use Floors for my hardscape (and not Roofs):

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