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Feb 25, 2021 at 23:33 comment added Rich You are right at the line for hole max for a single 2 x 10 but have a double. As you say it will be at the discretion of the inspector. See chart - imgur.com/pXNmaY1
Feb 25, 2021 at 21:43 comment added RCNeil These are all great ideas. Thanks! I would definitely like to check with the inspector to make sure going 3" in that 2x10 is safe and acceptable, but that's a great suggestion
Feb 25, 2021 at 21:39 vote accept RCNeil
Aug 9, 2021 at 1:44
Feb 25, 2021 at 18:24 comment added Rich Short of a bathroom layout redesign, if you are willing to move the toilet further away from the outside wall you could penetrate the joist on the horizontal with a corner bend or 45 and have a 1/4 bend come up along side the joist. Add an offset flange and you pick up another 2" off the mounting wall for possible a 12" rough. A little tight to assemble and you might need to use a street fitting.
Feb 25, 2021 at 15:45 comment added RCNeil Thanks for the comment! Yeah, the support beams are 2x10s, as are the joists! I like your idea of moving it further away from the exterior wall, but I think even if I park it right in the middle of the two joists, a 10" rough-in toilet still makes the closet flange have to be almost right against the support beam, so I would probably end up needing more than 3" for the sweep. 3 inches just barely passes inspection and has me concerned I would end up having to bore it out more than that for the flange bend.
Feb 24, 2021 at 3:51 history answered Rich CC BY-SA 4.0