Real world Civil 3D feature line grading for an ideal unconstrained rural home

Published: 02 April 2023
on channel: Tom Haws
152
3

Suggestions, opinions, discussion, and tips are welcome!
Correction: At 3:03, four thousandths of error, not four hundredths

Overview: Single closed grading area using infills in the interior and a projection grading on the outside.

0:00 Intro
0:13 Ideal unconstrained home
0:31 Solid procedure
0:58 Strategies: Infill
1:24 Strategies: Delayed feature lines
1:44 Strategies: Inward concrete pad offset
3:03 Error: Four thousandths, not four hundredths
3:07 Strategies: Garages lumped with floor
3:39 Adjacent grade construction lines
4:31 Copy house linework
4:51 Offset distance
5:54 Offset inward each slab
7:06 Fillet
7:29 Erase
7:57 Closed concrete slabs
8:40 Adjacent grading
8:58 Big picture concept
9:26 Cut and fill warp lines
10:23 ... at site concrete too
10:37 Envision concept details
11:19 Start closed outside feature line
13:58 Guess the floor elevation
14:59 Finish the outside feature line
16:39 Final polyline audit
16:47 Concrete valleys
17:50 Create feature lines
18:08 Design the patio
18:49 Design the front porch
19:43 Design adjacent grade
20:09 Find the drainage divide
21:21 Grade the high side valley
22:01 Straight grade feature line
22:37 Grade the driveway
23:29 ...and adjacent grade
24:28 Raise all to estimated grade
25:28 Tie at match locations (street)
26:30 Create a grading group surface
26:39 Single outside projection grading
27:43 Create grading infills
28:16 Turn on Automatic Surface Creation
28:39 Troubleshooting typos
29:24 Check for surface holes with Object Viewer
30:31 Dirt balance adjustments
35:10 Check final design
35:25 Match points to EG
35:47 More checking
36:29 Questioning the design rules
36:54 Swale/valley drainage adjustment
40:39 Final presentation flow lines
41:07 Fit curve


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