The room was designed to be a sunken room and is currently raised up with plywood flooring - no foundation issues at all ( its low like a garage floor - sorry I don't know the proper terminology for this ) see pictures of what I mean:
Did you pour over an existing slab?
I have a sunken room in my house that I want to bring all to one level. Its on an external wall and measures 15' x 12' x 6" I need to pour concrete OVER an existing concrete slab.
I have a few quotes and a few differences in opinions on how to get it done...