Thanks for the help! I completely didn't realize the cutout was for a tub/shower. Good thing is, I'm not putting in a shower or tub. I'm only installing a powder room - so I'll just cover that drain over.
So I'll just have to cut 6" out of the vent stack around 18" off the ground and...
I'm working on finishing my basement, and I need help verifying that some drains are what I think they are. I'm fairly sure the original builder left some capped drains so the basement could be finished. There are two caped PVC pipes going into my concrete slab - one 4" and one 2". I'm 99%...