Chapter 8Assemblies and Subassemblies

Roads, ditches, trenches, and berms usually follow a predictable pattern known as a typical ­section. Assemblies are how you tell the Autodesk® AutoCAD® Civil 3D® software what these typical sections look like. Assemblies consist of smaller components called subassemblies. For example, a typical road section assembly contains subassemblies such as lanes, sidewalks, and curbs.

In this chapter, the focus will be on understanding where these assemblies come from and how to build and manage them.

In this chapter, you will learn to:

  • Create a typical road assembly with lanes, curbs, gutters, and sidewalks.
  • Edit an assembly.
  • Add daylighting to a typical road assembly.


A subassembly is a building ...

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