Ok, here is my original project I was working on but while read plumbing books I came across something that made me address my other post about the sewer smell in the upstairs sink.

Anyway, this is a master bath project on the first floor. Attached is a diagram based off what I was thinking and what was already in place before I started this project. How does it look?

Being that the toilet is 3" line does the 6ft critical distance from the vent apply here?

Probably a dumb question here but is the 6ft measure in a straight line from the toilet to the vertical vent or does it follow the route of the pipes?

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[Attached is a diagram based off what I was thinking and what was already in place before I started this project. How does it look?/QUOTE]
It looks fine to me. The toilet's wetvented by the shower and the lavatory revents back to the shower vent. Why the dog leg on the lavatory drain?

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Being that the toilet is 3" line does the 6ft critical distance from the vent apply here?

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It's 10 feet now. It shouldn't as the toilet's being vented by the shower.
[QUOTEis the 6ft measure in a straight line from the toilet to the vertical vent or does it follow the route of the pipes?]

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It follows the route of the pipes. This is called "developed length". Good luck, Tom

I can fix the dog leg. That's not an issue.

Thanks for the help again!

No problem Jed,
Your lay out works for me. Good luck, Tom