Help w/ New Drain Lines in Bathroom Remodel

Discussion in 'General Plumbing Help' started by michaelsuder, Aug 30, 2013.

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  1. Aug 30, 2013 #1

    michaelsuder

    michaelsuder

    michaelsuder

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    I am planning a remodel and will be replacing an existing sink with a double sink vanity and also adding a new bathtub (existing shower to be removed). I do not want to cut the slab for any new drains. My question is, can I tie in the additional sink and the new bathtub drains into the existing sink drain (1-1/4") by routing them in the wall? The new bathtub drain is 8' from the existing sink drain and can sit higher to accommodate a P trap as it is a drop in model and will be set into a custom height platform. The inlet pipe for the existing sink drain enters the wall at 17-3/4" above the slab.
     
  2. Aug 30, 2013 #2

    camaroderrick73

    camaroderrick73

    camaroderrick73

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    The short answer is no. The shower is usually in the middle of the floor an the tub is in the left or right . Also the pipe size if different. 2in for shower and 1.5 for tub.

    As for the lavatory, you can "dirty arm " up to 5 feet. I suggest you look into your local codes to see if this is available via code in your area.
     
    phishfood likes this.
  3. Aug 30, 2013 #3

    camaroderrick73

    camaroderrick73

    camaroderrick73

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    You cannot run all three fixtures on that pipe . The
     

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