I'm in the process of remodeling my bathrooms that are now back to back (originally had one) and I need some help. I'm under UPC. Originally, when I spoke with the inspector he recommended a double fixture tee for the toilets and then wet venting one tub on two lavs and then separately venting the other tub. I've read feedback that Terry and others aren't big fans of double fixture fittings and this leads to three vents (2", 2", 1.5"). Is there an easier way to plumb the bathrooms w/ two, 2" vents with 2 flat vents? I'm still learning so please bear with me. And, I've also been having trouble with the common wall and venting because there is a 2x8 joist directly underneath the wall. Is there a maximum vertical distance for a trap under a tub? See illustration #2. Even squeezing in the other 2" vents is going to be difficult because of this joist. I can move the joist slightly if there is a better design.
Thanks for the help.
EDIT: I'm under UPC in Idaho but they've amended 908 to add horizontal wet venting - "24. Section 908. Exception - Vertical Wet Venting. A horizontal wet vent may be created provided it is created in a vertical position and all other requirements of Section 908 of the UPC are met."
Thanks for the help.
EDIT: I'm under UPC in Idaho but they've amended 908 to add horizontal wet venting - "24. Section 908. Exception - Vertical Wet Venting. A horizontal wet vent may be created provided it is created in a vertical position and all other requirements of Section 908 of the UPC are met."
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