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Thread: code for vertical drop for toilet/tub, IPC

  1. #16
    DIY Member atuel's Avatar
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    This look better? Sort of screwed up the top view as the ptrap should angle back toward the bottom of the image as its in the same line with the toilet.


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  2. #17
    Forum Admin, Expert Plumber Terry's Avatar
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    That works for me.
    Good job.
    You don't need cleanouts above, the CO on the 4" is all you need.

  3. #18
    Journeyman & Gas Fitter Doherty Plumbing's Avatar
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    That will work! You obv learned a thing or two!

  4. #19
    DIY Member atuel's Avatar
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    So got the duct work out of the way and found a little kink in things. The vent I thought was going out the top of the sink is not. Theres actually a 4th pipe I didnt see before that goes up to catch a double vanity on the second floor bathroom before venting out the roof. This 4th pipe hooks into the 3" main line a couple feed back from where the toilet does. Thats the closest thing to venting the toilet/sink/tub in the downstairs bathroom has.


    So I do still need to move everything up and out of the middle of the space, so I'm proposing the following. This gets the vent in the top rather than the bottom of everything, but is a bit on the funky side so wanted to run it by you guys.

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  5. #20
    DIY Member atuel's Avatar
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    I should mention, none of this is going through the joists... its all directly under the joists at the right side and tapering lower as you move left.

  6. #21
    DIY Member atuel's Avatar
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    never mind... that was a terrible idea. Would have cut too much out of my height that is the whole reason I'm doing this in the first place.

    I dont really know if the sink is vented or not cause I cant tell behind the vanity, but it elbows over to the side, so signs point to its probably not vented unless they have a san-tee in there that connects back in with another vent in the wall somewhere.


    But this should be better for my height needs and allow it to be vented one way or the other.


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  7. #22
    Forum Admin, Expert Plumber Terry's Avatar
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    Well, now the shower isn't vented.
    Why did you change it?

  8. #23
    DIY Member atuel's Avatar
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    I have a 4th pipe that connects in that was hidden beind the air duct. Now that the duct isnt obscuring it, I need to find a way to connect it in as well. I've also got a better view of everything to see the concrete pillar in there.

    I see your point though... will angling the wye the shower connects to over to 90 degrees instead of 45 and dropping the ptrap so it wouldnt take a down turn satisfy venting?
    Last edited by atuel; 06-19-2010 at 04:09 PM.

  9. #24
    DIY Member atuel's Avatar
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    So maybe some real pics would help. Now that the duct is out of the way, you can see everything in one shot.


    This one shows the area I need clear. Its about 5' wide and I need 4' and pretty much all of the height except maybe a few inches.

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    This is from the opposite side showing which fixture is which.

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