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Old 02-20-2017, 02:12 PM   #1
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House Drain Concern


My fiancee and I moved into a house a few months ago - an older home (about 95 years old) but almost entirely renovated. My concern is in the basement - the drain (4" PVC) connects to a cast iron pipe and pitches down, seemingly properly, into the floor in the direction of two clean-out plugs. Next to the clean-outs there is a cast iron pipe (also 4") that comes out from the floor and turns 90 degrees into the wall going toward the street (where the sewer pipe would go). The floor is also not near level (slopes, hills, valleys, etc) and has several areas that sound hollow when lightly hit.

Common sense tells me that the drain (which we have only had one problem with - construction debris clog, since cleared out) is fine and that "extra" pipe is a relic of something from years past, but that, combined with the uneven floor is a concern.

Any thoughts?

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Old 02-20-2017, 02:39 PM   #2
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Re: House Drain Concern


Something like one of these?



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Old 02-20-2017, 02:42 PM   #3
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Re: House Drain Concern


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Something like one of these?
I have a photo but apparently I cannot post links here at the moment -
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Old 02-20-2017, 02:43 PM   #4
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Old 02-20-2017, 02:47 PM   #5
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Re: House Drain Concern


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Originally Posted by TheEplumber View Post
Something like one of these?

OK - I was able to create an album on here- the two photos show what I am trying to explain. In the PVC photo that cast pipe on the floor goes into the slab a few feet away and lines up pretty well with those cleanout plugs (the red ones) in the direction of the street. That other pope is the concern.
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Old 02-20-2017, 07:29 PM   #6
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Re: House Drain Concern


If it's not leaking, backing up or smells of sewage in that area, I would just leave everything alone. Jmho.
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Old 02-20-2017, 07:42 PM   #7
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Re: House Drain Concern


The other pipe looks fine to me. The 4 in looks like a toilet, and the 2in looks like a shower/wet vent that was patched into the old cast iron.

I'm assuming you are concerned with the concrete floor sloping/sounding hollow when you knock on it? Can't really tell from the pics. By the discoloration, it looks like it was broken up and patched at some point in that area or it's leaking underneath the slab Idk. Does it feel damp in that area?

If it were leaking, shifted, broken or backing up you would definitely smell it. Unless I'm just not following what your concern really is. Remember you are dealing with an almost 100 year old house and plumbing. If it's not broken and everything is draining fine leave it alone. Jmho.

The hollow sound and sloping could just be it wasn't back filled to level or they followed the current pitch of the basement. Just a thought.

Wish I could help you out more with suggestions. Please wait for the plumbers to respond. Thank you.

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