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Old 04-01-2008, 11:55 AM   #1
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Installing bathroom in basement

I have a fairly old house in hamilton Ont. I would like to add a bathroom or at least a toilet and a sink in my basement. There is a 5" hole in the floor aproximatly 10' from the waste pipe from the upstairs bath. At present the previous owners had the laundry tub above the hole, with the pipe just suspended into the opening, draining the laundry waste water. If some one flushes a poop from the top floor I can hear the water rushing in this hole and then the smell of the poop. I have never had any water come back out of it, even with a torrential rain storm. I dont think it is tied into the weeping tile. I dont smell any sewer vapors so I beleive there is a trap between the hole and the city sewers. Can I use this hole that appears to have a cast Iron or something pipe in it, its not just a hole in the concrete, it was put thier for what ever reason. The house is about 80 - 100 years old . I would like to install a toilet to this hole. Can I also run a seperate vent for this just above ground level.

Your answers would be appreciated.

All the best


Last edited by john clodge; 04-01-2008 at 11:58 AM.
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Old 04-01-2008, 03:25 PM   #2
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First you need to be sure it is indeed tied into your main waste line and not some sort of drywell. Next you need to determine if their is a trap on it. If their is a trap it can not be used for a toilet. If your waste line runs under the floor in that area you would probably be much happier with the results if you chopped the floor out to do the waste rough as you could put everything were you want it.


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Old 04-02-2008, 01:32 PM   #3
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basement toilet

good day marlin

Thanks for your responce. In the event that I do cut the floor, which Im sure I will do. I will need to tie into what i am guessing cast iron. Is there a way to cut into the cast iron and installing a pvc "t" pipe. Can this be done cast iron and pvc combined without leaking.

cap opening --------insert t
hole I mentioned--------upper level drain pipe

Thanks again


Last edited by john clodge; 04-02-2008 at 01:39 PM.
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