OpenGrade3D and tandem scrapers

[Pat]

Here is an impressive video!

Grade control

Im posting a link to a video of building an irrigation pond. Both dozers running open grade. I established an AB line down the center of the dam and used to check the 3 to 1 slope as we built it up. And to find water level as we filled ditches around the sides. and of course for all the terrace work [Building a big irrigation pond (Ep 16)] https://www.youtube.com/channel/UCMXcZ9jW2TjrrIX5EYxffaA

And an other one

Grade control

Terrace channel cleaning. [Quadtrac 550 cleaning terrace channels with auto grade control (Ep 21)]