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Old 12-08-2006, 01:10 AM   #1
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Bathroom plumbing


I need some help with my 2nd floor bathroom plumbing. I am remodelling the bathroom and was wondering if the layout of my plumbing in the attached drawing would be sufficient?

Thanks

Bathroom plumbing-bathroom-plumbing.jpg

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Old 12-08-2006, 06:16 AM   #2
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Bathroom plumbing


What about the vents for the other fixtures, draw in all drains and vents so I can see the complete layout, right now your picture shows very little info to go by.

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Old 12-08-2006, 08:41 AM   #3
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Bathroom plumbing


Thanks for replying Ron.

I have attached 2 more diagrams:

The first one is the current layout of the plumbing with a sketch of the bathroom fixtures. There are no additional vents or drains. The pipe starts on the left with the toilet, runs under the floor past the vent stack to the other side of the room (approx 10') and then down to the basement. The sink is conected directly to that pipe with no additional venting other than the 3" main vent stack.

The second one is what the bathroom will be like after the reno. The toilet will be sitting about 6"-8" to the right of the current vent stack location and I will be adding a shower.

How would I lay this out to ensure everything was draining and venting properly? Can the toilet be located downstream of the vent?

Let me know if you require additional information.

Thanks for your help!
Mark

[ATTACH]Bathroom plumbing-current-batthroom.jpg[/ATTACH]
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Old 12-08-2006, 10:29 AM   #4
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Bathroom plumbing


I have posted another diagram of the existing plumbing as the first one didn't come out very well.


Bathroom plumbing-current-plumbing.jpg
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Old 12-08-2006, 02:23 PM   #5
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Bathroom plumbing


Where do you live? Do you know what code you use there?

ou can't locate the toilet downstream of vent, vent after toilet, I'll darw up a diagram and post later, is ther a 6" wall for you to run the drains though near the addition?

What side is the 6" wall on for new bathroom? Behind the toilet / Left or Right side Wall / Front Wall

Which way do the upper floor joist run? Left to Right or Front to Back? According to the new bathrrom picture
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Old 12-08-2006, 04:44 PM   #6
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Bathroom plumbing


Hi Ron,

I live in Ontario, Canada and am not sure what the code is.

All walls are 2X4 construction except for the wall on the left which is 2X6 but is an exterior wall. The current vent stack runs up through the 2X4 wall behind the toilet to the roof. The drain runs under the floor (2X8 joist) and then down the wall on the right to the basement.

The joists run left to right parallel to the wall behind the toilet.

I am not changing the dimension of the existing bathroom I am just changing the layout and fixtures.

Thanks for your help!

Mark
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Old 12-08-2006, 06:09 PM   #7
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Bathroom plumbing


Since I don't know your codes there, this is what I think you need to do, build the stack like seen in the picture below.

Always check codes where you live, this is one way I would do this remodel, you will need to add a wye for the shower, not to mention your flip flopping the toilet and lav locations, so might as will rebuild the stack all together.

Lav / Toilet / Shower
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Old 12-14-2006, 11:23 PM   #8
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Bathroom plumbing


I could rebuild the vent stack going from second floor to roof but the drain portion of the stack is located 3 feet under the floor in another room. In between the vertical vent and vertical drain will be 9 feet of horizontal 3" pipe.

Is the attached diagram a solution or do I need to vent the toilet before it gets to the main line?

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Old 12-15-2006, 05:29 AM   #9
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Toilet needs vented before it get to the main
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Old 12-15-2006, 06:08 AM   #10
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Now in my code book distance of developed lenght flange the vent can be 6' I don't know what your codes are, everything I tell you on here may or maynot be how it's done where your at. This could be all wrong by your plumbing codes. So you will need to make decisions on what is best.

Right now you need to find and read the code you follow to make sure your in compliance with the local code. All I can do here is recommend ways to accomplish a task your trying to do.

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