Tom Sawyer
In the Trades
I would have used a double 4x3 wye to pick up both toilets, a double 4x2 wye for the tub and showers, a 4x2 to pick up the master bath lav, a 4x2 combo for the closer lav and a 4x3 combo for the vent stack although these days you could go with a 4x1-1/2 for the stack. Alternately the close lav could have dumped into the stack also provided the distance was correct.
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