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Adding branch drain lines to soil stack
This will be my first efforts at plumbing. I would really appreciate your thoughts and advice on the following project that I am hoping you see as "fit."
Goals: (1) New shower where sink was, (2) sink moved to adjacent wall (pipes will need to go around a corner.)
Problems: (1) Cement Floor that I don't want to cut into for shower drain (I'm female, and it seems a bridge too far for me) and (2) adding branches to present, vertical 3" soil stack.
What I plan: Build up a 10" subfloor for shower pan, to accommodate P trap, and attach to soil stack as low as possible. (2) Bring branch from new sink into the same soil stack. I'm adding a picture of my soil stack.
Big question (of the moment)... how do I add branches to the soil stack? It seems that if I cut off a section of the original and add branches made of the same hard, black plastic pipe, that I will never be able to make those new vertical branch pieces a tight fit... or will I be able to pry the soil stack apart enough to accommodate slipping in the new fittings? I saw some soft, flexible fittings in the hardware store... would they hold up, and is that their purpose? FYI: The soil stack is also attached (I think) to the bathroom upstairs.
Does any of this make sense? I love to roll up my sleeves (I like challenges, and it's also cost effective), but I don't want to create huge problems because of my ignorance. Thanks for any help and advice. Caryl
Comment on massplumber2008's post
My heart is beating pretty fast (this is complicated) but with enough thought and time, I know I can do this... correctly. Thanks for your excellent advice and guidance. I will try to post a picture when it's all finished a few weeks from now.