Shop Floors

["Dave Scarlett @ TubeTech" <scarlett@tubetechltd.com>]

OK lets try this one.  I've recently moved and I'm
planning to convert an old 20 X 40' drive shed 
to a workshop. The existing cement floor has some
deep cracks and to remove this floor would be darn
near impossible, and I also want to install radiant floor
heating. So how about building a grid of say 3/4"
CS pipe to carry the glycol and reinforce the floor 
at the same time? Then maybe 4" of new cement
over that?

Thanks John L for your earlier communications.