A subassembly is a building block of a typical section, known as an assembly. Examples of subassemblies include lanes, curbs, sidewalks, channels, trenches, daylighting, and any other component required to complete a typical corridor section.

An extensive catalog of subassemblies has been created for use in Civil 3D. More than 100 subassemblies are available in the standard catalogs, and each subassembly has a list of adjustable parameters. There are also about a dozen generic links you can use to further refine your most complex assembly needs. From ponds and berms to swales and roads, the design possibilities are almost infinite.

You will add subassemblies to a design by clicking on them from the subassembly tool palette, as you’ll ...

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