Normally, the slabs are 3,000- 3,500 lb, either 8x8 steel mesh reinforced, or fibercrete. Both have a vapor barrier, and the soil underneath is compacted to at least 92 or 93%, and poisoned for termites no more than 24 hours before the pour. The block walls have a concrete filled cell every 8 feet, with rebar tied to a dowel in the slab, and a minimum 12" hook into the poured beam at the top. The inside surface has furring strips every 16", with r-11 styrofoam between. This is mostly according to the SBCCI building code adopted in the early 90's by all the Florida counties. Hope this helps.
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........American by birth....Union by choice
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