From the course: Autodesk Civil 3D 2025 Essential Training

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Understand grading

Understand grading - AutoCAD Civil 3D Tutorial

From the course: Autodesk Civil 3D 2025 Essential Training

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Understand grading

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- [Instructor] In this chapter, we're going to talk about redesigning the terrain of our project, also known as grading. Before we dig in, pun totally intended, let's discuss the basic concepts of grading. Now, you might be thinking that we've already modified the terrain in our project using the corridor, and technically that's true, and that is a form of grading, but we simply don't refer to it that way. When we talk about grading, we're not referring to the long linear terrain shaping typically done with corridors. Instead, we're talking about an isolated area, like a residential lot, a pond, or a parking lot. In fact, if you look at the drawing I have open right now, we've got a few residential lots on the left and contours for a pond and a 3D depiction of that pond over here on the right. The key object in play with grading is the surface, which you've learned about in chapter four. In that chapter, you learned how to use surfaces to define the existing conditions of the project.…

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