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I made a structural slab 175 thick with vb, plywood and 150 insulation below. I placed a 600x600x100 drop panel at the bottom of the 175 thick slab, I was prompted that the drop panel is fully inside of the slab construction. How do I get the plywood, vb and insulation to cut around the drop panel and pile?
Attached are two pictures of what I have happening (these files show that the drop panel is there but you cannot see it unless clicked on it).