Btw. Fire is not a problem here. We did have a big fire in the mountains few years back that took out gatlinburg, but this area not one to be concerned for fire
Soil is red clay. Doubt I need stabilizing substrate of any kind. One thing I wander is will the ground push the culvert back to the surface over time with some time of hydraulic force from expansion and contraction. Is there a way to anchor to ground if this is something that actually happens and not my imagination to keep it from moving
We bed them with compacted crusher run gravel to keep them in place. Underneath, and half way up the pipe.
