Quote:
Originally Posted by rusnak
I'm saying that Javadog is 100% on the money with his post.
You do not want to have any conduit, or pipe in the slab. You want to have sufficient cover (dirt) compaction beneath the slab. This assumes that you have had a soil test done, and the Geotech has recommended a minimum ground cover in his report.
You also need to have adequate fall around the structure so that water does not migrate beneath the foundation and worse, up into your finished floor. If you do not attend to this now, then you'll be excavating and repouring your flatwork later.
What you're calling "foundation work" goes under the category "site work" and is your source of risk. Someone did not do his homework. I would excavate the roots and crap. You need compaction. Roots will decompose. Enough of it, and you'll have methane gas in your building.
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I brought gravel in specifically so we would not be re-using the roots and crap. And we'll be doing compaction too. Pretty sure there won't be any problems, but I'll make sure with my builder. I haven't decided yet how to run the power--the main electrical panel for the house is about six feet from the garage, right next to the door.
At Webb's suggestion, I looked into using radiant floor heat, and I think I'm going to go with that, which will involve encasing poly heating tubes in the slab. It's cost effective and well suited to our fairly mild climate. I'll be doing that install myself.