My house is not on top of a swamp. However, I may get the same "fountain
effect" when/if I hit a water line under the slab.

--
Walter
www.rationality.net
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"Joseph Meehan" wrote in message
...
Walter R. wrote:
What is the best and cheapest way to drill twenty 1/2" holes through a
standard slab floor, probably 4". Some of the holes will be drilled
at a slight angle.

Still fighting termites!

Just a though. I once worked for a retail store. They built a new
building at a mall. It was the only building in the mall with a basement.
Someone decided they needed to drill a hole in the floor for some
electrical work. Did I tell you the mall was built on an old swamp. They
drilled the hole and ended up with at 12 in fountain. It took them several
days to get that patched up.

--
Joseph Meehan

Dia duit