Implement Geotextile Fabric and Geogrid Reinforcement

once or 73 times before. So these are pretty big base boulders. We do have fabric that we're going behind this wall. Not always. We don't always use fabric. We prefer to use fabric. We have to use fabric on sandy sites. Isn't that right, Tim? clay sites. It's questionable because a lot of times what happens is the silt from the clay will bind up in the fabric itself and then create hydrostatic pressure and cause blowouts or ruptures. But anytime we get a chance, we're going to use fabric behind it. Now, in this wall, we're actually using geog grid as well. You can see where he's got the grid laid out and that goes in horizontally every 2