Re: Plumbing & foundation of new home
Posted by Drain below foundation on July 25, 19100 at 15:15:32:
In response to Re: Plumbing & foundation of new home
: When building a new home without a slab, but a perimeter foundation, where do the exit pipes for used water run? The foundation will be a "rubble trench" which is just gravel and rocks with a perf. drain pipe at the bottom and a formed concrete "cap" at the top. So where do the pipes run to get out from the foundation? Thru the rubble or lower?

Put the sewer drain lower than the rubble foundation but don't allow the foundation to touch the sewer line because weight and expansion will crack it. If that makes the sewer line too deep for your needs, create a sleeve through the rubble foundation for the sewer to pass through the footing.

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