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Rouging in a stubbed basement plumbing.
Hi,
I am planning to finish my roughed in basement bathroom and I am trying to understand the plumbing. The house was constructed 5 years ago and is in Atlanta, Georgia. I need some help. Here is setup I have(picture attached.) The ejector pump basin (#6) is filled with water above the level where waste comes in. This had a cap which was bolted and sealed and I am assuming that is the reason why the water is still standing. It seems to be made of some sort of poly material. Pipe #1 is in the wall and I guess this is for the sink and is filled with water. Toilet (#2) is also filled with water. I am assuming #3 is for the bathtub but is very near to the wall (less than a foot) and is also filled with water. There are 2 pipes(#4 and #5) sticking out of the ceiling. One is 2"and the other is a bit smaller. I checked by tapping these pipes in the attic while someone was listening to the sound in the pipes below and they are indeed venting through the attic. I see no other pipes coming out of the concrete slab specifically for venting. Do I have to use pipe #1(sink) as a wet vent? How should the plumbing for this look like. A plumber I called insists that he will have to drill the floor and rerun the vent to the roof and gave a big estimate. Any help is greatly appreciated.
Thanks
Sam.
Attachment 8544