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Please reference the attached image of my sketch for the questions below - thanks so much in advance for your help. The long sweep combo is tilted at 45 degrees to get to the wall, then 45 to get it back vertical again in the wall. Do I need a clean out above the 45 above the floor? Can I use...

I have a (hopefully) quick question that I haven't been able to find a straight answer on.. When I put drain pipe in for a lav, code (UPC 2009) requires 1 1/4 in. I've heard you can go up one "nominal" size (so I think that would imply going to 1 1/2 in.). What if you want to grow to 2" or...

Hi all, I got more planning done on my DWV project this week and I'd just like to run it by everyone and see if anything is glaringly obviously wrong (UPC 2009). The images I attached don't show the connecting pipes, but the fittings and relatively close position where I'm thinking about...

Hi, I've been learning a lot from this site, but this is the first time I'm posting. I have a couple questions related to a job in my home that I'm going to do. I have not done any work on it yet, but I'm trying to plan this all out so I can do quality work and do it quickly. I'm going to be...