Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD Tutorials Manual page 714

38 Click OK twice to close all dialog boxes.
39 Save the Part. Switch Visual Style to Conceptual. The part should look
like the following:
40 Right-click Model Parameters, and then click Edit.
41 Double click the Equation for SVPC and enter: SFH+SCH+SBPC. Change
the Visual Style to 2D Wireframe. Right-click Vertical Axis
Geometry
42 Click the point in the center of the Rim work plane.
702 | Chapter 18 Part Builder Tutorials
Point Reference.
Add