You want an experienced Concrete/Masonry contractor - to look at the project.
Just realize that this is not a simple "lowering the floor" project.
Just realize that this is not a simple "lowering the floor" project.
Isn,t this an Oxymoron?.....be so much nicer to recess the platforms flush with the floor.......
But you used to do it? : "Pits were recessed down 4 inches"Trying to hog out poured concrete to make a shallow pit in the slab is not too viable. I'd try to talk you out of that idea if I was working for you.