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Civil 3d Grading Pad and Swale

Civil 3d Grading Pad and Swale

Civil 3d Grading Pad and Swale

Any suggestions on how to get this done. FFE for garage is 665.50 to make the be slightly above the existing parking lot of around 694.38. I need to cut down on the west side and drain to the existing inlet on the northwest corner of the garage at 693. I just need to keep the existing sidewalk intact while grading down from around elevation 700 to create a swale towards the flowline (circled in blue)? How would I do that in Civil 3d? I'm struggling with feature lines to get the contours to look correct in the Existing ground surface.

RE: Civil 3d Grading Pad and Swale

Create 3d polys to use as feature lines at known X,Y,Z's to constrain and modify a surface.

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