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Concrete slab on existing stone foundation

Concrete slab on existing stone foundation

Concrete slab on existing stone foundation

(OP)
Apartment building burned down that had an existing stone foundation with crawl space.  The foundation wall is only a few feet tall and extends above grade about 6".  Can the crawl space be filled in with stone and a concrete floor slab poured over the stone and stone foundation wall?  The concrete floor will take the place of floor joists that were installed.  Thanks.   

RE: Concrete slab on existing stone foundation

Normally I think that yes but think that a local event as a fire can produce wild variegate effects on what it touches; as I use to do even when no fire at all, I at least would order some degree of compaction of clean soil prior to concreting operations for the slab on the ground.

RE: Concrete slab on existing stone foundation

Yes, assuming the soil conditions are amenable.

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