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AllGoNoShow 11-13-2006 03:00 PM

Creating new difficulties?
I have a small (8X8) enclosed sunroom on the side of my 1930 colonial house that I never-ever use and am contemplating adding a half bath and laundry room in it (possibly just a full bath). I have no big problems with the other aspects of the project (heating the space, framing up regular sized windows, etc.) but am curious about the plumbing aspects of such a conversion.

The sunroom is in the front right corner of the house off the side (if you were looking at the house from the street). However, the water heater is located in the back left corner of the house in the basement (the basement is 24x24 ). The main waste pipe that is steel and about 6 inches in diamter is also in this left back corner (the only bathroom in the house is in this corner on the 2nd floor). From there it goes under the concrete foundation and goes to the street. There is a cleanout for the main waste pipe that comes out of the floor in the front left corner of the basement floor right infront of the front foundation wall-but it is probably only 3 inches wide which i do not know if that is big enough for a toilet drain (and it would still be about 28 feet away from where the toilet would be in the sunroom).

Describing these conditions, is there any major concerns? Anything specifically I should be looking at to determine if this project is doable? Anything I am overlooking? Realistically I would be trying to do this myself for under 2 or 3K. I have contractors in the family but no plumbers-if anyone can help it would be appreciated! I can take pictures if it would help people visualize it better. Thanks!


Ron The Plumber 11-13-2006 05:54 PM

Hi nick, pictures would be of great help. You will need 7" of grade at 1/4" per foot at 28', if you know you have this or more then it is doable. You can run 3" to the new toilet.

AllGoNoShow 11-14-2006 07:55 PM

I took some pics as requested-anymore questions just ask-pics are located at

Thanks for the assistance Ron!

Ron The Plumber 11-14-2006 08:07 PM

Looks like it will work. Run the line in 3", don't foget each fixture will need to be vented just past the trap before they connect to the new mainline your running.

Not sure where you live, but read what is required by the code used there

AllGoNoShow 11-15-2006 12:05 PM

I completely forgot about the vents-what exactly does that entail? Like, what size pipe, where do I have to run it, how to connect it, etc.?

Also can I just tie the drain for the sink into the waste pipe for the toilet before running the pipe the length of the wall? What about also tieing in a drain for the washer machine?

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