Hi I am in the market looking at Co-ops and am always wondering what latitude one has in reconfiguring a kitchen.
If the waste, water, and gas risers are going to remain in place where they are, how much does NYC code allow/limit you to horizontally pipe away from these risers to a new fixture location?

Thanks to anyone who knows!


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  1. wow.
    sorry jp2. didnt know a post on brownstoner would ruin your day so.
    or even cause tourettes syndrome.
    In any case, your post makes no sense. The difference between moving a sink 2′ or 6′ is probably going to be driven 1st by my desire to layout a kitchen better, and 2nd by whether code allows this length of piping, but less likely by monetary issues or structural (WTF?) issues. Perhaps you think four linear feet of pipe costs a fortune and is such incredible load on the structure that I should consider underpinning the foundations, but I can assure it is neither. If you were a plumber you would know this, so as CMU guessed, Im thinking you’re not. Now put down the beer and go try to find a job young man…

  2. Guess plumbers don’t have to have tact. Oh, but you’re not even one, so what’s with this snarky response?

  3. hire a plumber or talk to a plumber and give him a $100 or tell me how i can have such a vast amount of time to even consider/debate this issue . I think there are probably structural and monetary constraints that will actually be more significant than the mechanics of the plumbing code, but then again what do i know i only do this shit for a living.

  4. hire a plumber or talk to a plumber or tell me how i can have such a vast amount of time to even consider this issue. I think there are probably structural and monetary constraints that will actually be more significant than the mechanics of the plumbing code, but then again what do i know i only do this shit for a living.

  5. hire a plumber or talk to a plumber or tell me how i can have such a vast amount of time to even consider this issue

  6. hire a plumber or tell me how i can have such a vast amount of time to even consider this issue

  7. Thanks Dave,

    What I and CMU meant is that if you ran a horizontal vent pipe from the vent riser to the sink then the sink-to-vent distance would be minimal. is this not possible?

    Also another seperate question, if you know?

    I keep reading that kitchen’s dont necessarily need a exhaust vent if the back of the kitchen is within 30 feet of an operable window. I cant seem to find this in NYC code though…

    are you able to confirm?

    Thanks again!!!

  8. Yes, sloper. 4″ will get you 10′

    What do you mean by “extend the vent pipe?”

    The setup you are referring to is called a “wet vent” I don’t know if the code changes if you install a separate “dry vent” which would be a pipe off of your drain that rises UP and connects into the vent at a point higher than the drain.