vent across double sanitary tee?

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Network23

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Hello,
I have a couple questions about this setup. All small pipes are 2", large pipe is 3".
Can I wet vent the shower drain and WC this way, across the double san T fitting?
Am I correct in assuming the wet vent must come from a vented bathroom fixture (AAV vented vanity) in the same group as the WC and shower?
Thanks!

VENT DWG_2.jpg
 

wwhitney

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Seems to me it satisfies the IPC rules for horizontal wet venting. Not sure about the rules for double san-tee vs double fixture fitting.

Cheers, Wayne
 
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