How to Design External Levels for Residential Sites in AutoCAD (Free Cheat Sheet)
💡 Download the FREE External Levels Cheat Sheet (PDF)
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Designing external works levels is a key part of civil engineering design. In this video, I’ll walk you through the full process of producing external works designs in AutoCAD — from setting back-of-footpath levels to extending falls across plots and checking for drainage and buildability issues.
Although this example focuses on a typical residential development, the same principles can be applied to commercial, care home, or mixed-use sites. By the end, you’ll know the workflow consultants use to create clear, buildable external works drawings.
0:00 Introduction
0:23 Required Xrefs
0:37 Positioning Spot Levels and FFLs
1:35 Levelling the Back of Footway
2:07 Setting FFLs
2:47 Parking and Front of Plot Levels
3:16 How to Calculate Gradients
3:32 Walkthrough Levelling Parking and Front of Plot
4:40 Walkthrough of Parking 2
5:50 Levelling the Rear of Plots
7:14 Adding Exposed Brickwork
8:00 Levelling Gardens and Retaining Walls
9:05 Outro - Download the Cheat Sheet in Description!