The santees are 2 x 2 x 1.5 then reduced to 1.5in vent. It is 2 in going into the slab. i am going to do his way still though.If the vertical line going into the slab was 2" it would be fine. But as it appears to be all 1 1/2", Geofd's description is the best way to meet IPC. I don't like double Sanitary tees either.
you should’ve used a double fixture fitting. https://www.supplyhouse.com/Spears-...MIuofvqbHUhQMV8rJaBR2FNw2eEAQYAiABEgL_a_D_BwEThis is back to back bathroom sinks. Is this configuration going to create suction? Will be a 1.25in p-trap for each sink. Will this pass IPC as is or does it need to be changed out to a double fixture fitting? Thank you.
Traps aren't installed yet, it's just the rough in piping.You boys are good, I can't make heads or tails from that picture, don't even see a p trap
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