Originally Posted by TnToutdoors
So you think that there is a concrete wall behind the rail road ties?
Hard to say. We did a demo job last week were the concrete slab was supported by a block wall about 3' off the ground. I had no idea, I just though the concrete was resting on the ground.
The porch at my home is supported by a 3-sided wall. (but a few inches of wall is visible above grade)