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Thread: Plumbing Layout Review

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  1. #1
    DIY Junior Member dsanchez's Avatar
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    Oct 2012
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    Default Plumbing Layout Review

    Hi There.
    New to the forum but would appreciate some review and feedback on some plumbing I plan on doing shortly. I'm adding 2nd floor WC and moving an existing WC.

    Just looking for some feedback regarding, if there are any issue with the set up, fittings used or code violations. Also any helpful 'gotchas' that you may know of that I should consider.

    Also had a couple questions:
    1. Started dry fitting some of the piping together and I'm concerned I won't get the proper slope (1/4" over 1') on the horizontal run in the 7.5 inch void. Any suggestions? Maybe I should be use floor flange with 3" inside fitting?

    2. I have an existing bulk head in the kitchen on 2 sides. I'm hoping to match up the new bulk head on the same level but again I'm worried about the 90 and long sweep 90 causing the bulk head to be lower than the existing ones and not being able to tie the bulkheads together nicely. Any thoughts?

    I've attached a side and over head view of drawings to illustrate the plumbing set up and fittings. The drawings aren't to scale and I'm not a drafter but hopefully these are good enough to get the idea.

    Plumbing Diagram.pdf

    FYI. I live in Ontario, Canada.

    Thanks in advance for you feedback.

  2. #2
    DIY Junior Member dsanchez's Avatar
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    Default

    I guess because I'm new no one trusts the attachment??

    Here's a jpeg of the diagram. Any expert opinions would be appreciated.

    Name:  Plumbing-Diagram.jpg
Views: 683
Size:  36.0 KB

    Thanks.

  3. #3
    In the Trades SacCity's Avatar
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    Venting needs help.
    Need a 2" vent for the toilet.
    Also each toilet should be vented.
    On the lower toilet vent needs to be before the wye where the lines tie in together.
    The two vents can tie together 6" inches above the flood rim, but common practice is to tie together at 42" high.
    Michael
    Sac City Plumbing
    http://SacCityPlumbing.com

  4. #4
    In the Trades Tom Sawyer's Avatar
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    I don't think he needs 2" in Canada, 1-1/2 is ok I think. He needs to check his code though. IPC would let both toilets go without a vent as long as there was one somewhere in the house.
    [B]No, plumbing ain't rocket science. Unlike rocket science, plumbing requires a license[B]

  5. #5
    DIY Junior Member dsanchez's Avatar
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    Default

    Thanks guys. Maybe i'll go with 2" just in case

  6. #6
    Moderator & Master Plumber hj's Avatar
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    Default

    Flowing one toilet past the connection to a second one DOES need a vent, regardless of the required size, preferably at the point where the two meet, or else individual vents on each toilet line.
    Licensed residential and commercial plumber

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