New bathroom drain and vent

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winter1321

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Hi, I'm looking for some advice and/or confirmation that my plans for draining and venting a new bathroom will work and be to code. I'm in Vermont, which I believe is under the IPC.

I have attached a rough sketch of what I think I could do. The vent to roof would be a new vent, but I can't really move it. The only change I could possibly make would be to connect the tub/shower drain directly to the vent stack, but I'm not sure I have enough distance from the end of the trap weir to the stack - it's only about 15".

Thanks!
 

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Reach4

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I think what you propose looks good.
 

winter1321

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you can plumb it as drawn or what you described tub off the vent stack
If I run the tub drain to the vent stack, do I also need to run a separate vent off the trap arm for the tub, and tie it in to the vent stack further up, or can I just run one pipe from the tub p trap and be done with it?
 

Jeff H Young

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You said its a vent , therfore not carrying waste from above so yes a single san tee of 3 x3x 1 1/2 inthe vent stack below grade.
 
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