Irrigation Canal Design Part-1: Google Earth to Civil 3D Surface

🌾 Irrigation Canal Design in Civil 3D – Part 1: Data Collection to Surface Creation

Welcome to Part-1 of our Irrigation Canal Design Project using Civil 3D. In this part, we’ll prepare the base data for our canal alignment using tools like Google Earth, GPS Visualizer, and Civil 3D. Below are the detailed steps covered in the video:

🔹 Step 1: Draw Canal Route in Google Earth

Open Google Earth Pro.

Trace the proposed canal alignment using the Path tool.

Save the path as a .KML file.

🔹 Step 2: Assign Elevation and Convert to UTM

Go to GPSVisualizer.com.

Upload your .KML file.

Choose output format: Plain text CSV.

Set coordinate format to UTM.

Enable add DEM elevation data.

Download the resulting .CSV file.

🔹 Step 3: Prepare Data for Civil 3D

Open the CSV file in Excel or a text editor.

Check columns: UTM Easting, Northing, and Elevation.

Save or export it as a clean CSV file (if needed).

🔹 Step 4: Import CSV into Civil 3D

Open Civil 3D.

Use the Points from File tool to import the CSV.

Assign appropriate point styles and point group.

Verify all points are placed correctly in UTM coordinates.

🔹 Step 5: Create Surface in Civil 3D

Create a new TIN surface.

Add the imported points to the surface definition.

Adjust surface style to show contours or elevations as needed.

Save your drawing.

🔜 What’s Next in Part-2?

In the next video, we’ll define the canal alignment using slope arrows and elevation control, directly from the surface created in this part.

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