Grade Parking Lot Flowlines from a Feature Line

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Grade Parking Lot Flowlines from a Feature Line



Nate Philbrick demos how to employ a Feature Line and a Grading to create Parking Lot flowlines in Civil 3D.
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This is a part of a multiple video demo of the classic Feature Lines Only mechanics to grade the top surface of parking lot in Civil 3D.
A simple Grading like this one will generally remain stable.
Nice to see Nate base and get all the horizontal control for the parking lot design from an XREF drawing.

Instead of a Grading to create the intermediate surface, we could employ a simple Corridor and an Assembly with simple Link subassemblies or Lanes.
One advantage of the Corridor approach is we can generate the edge Feature Lines for both the Flowlines and our grading subgrade(s) in one pass with a Lane Sub.