[nj85z28]

hm ok. well whatever size. 2". 2.5". I'm not sure what the code even is.

its about a 12' section.

6 foot to a Y used as a cleanout and then 6 foot to the main going out. At least that seems like the section that will not drain.

Along the way it picks up the tub, the sink and I think the toilet right as its going down the wall.