I want to install a utility sink in my basement. It's a new house, no drain pipes near-by, but there is a floor drain near-by. What are the hazards of running the utility sink drain into the floor drain?

Hello, Right now we have a main 4" cast iron sewer pipe running under our basement floor. The very last fixture on the run is a toilet. Can I remove the toilet, replace the final 90 degree elbow with a tee and replace the toilet in the same place, then extend the line a couple feet further and...

I have a second floor restroom at my workplace and there is a little bit of water backing up and some sewer gas smell. There is rarely anything that goes down that drain but there is a little water in it that I can see. Also it seems that the urinals in the same restroom are draining very slowly....

I have an old concrete floor with a newer pvc type drain. The floor slopes about 1.5" over 2' around the drain so I would like to raise the drain in order to level the floor to install ceramic tiles. I'm still going to ensure the floor slopes toward the drain just enough. I figure I need to...

I am adding a bathroom to my basement, which has partial (complete? ) plumbing already roughed into the floor (in 1976). Sewage lift station (vented) is 3 ft from 4" styrofoam plug (toilet), 4 ft from 1 1/2 inch cast male pipe end extending through floor (lav, have already added vertical vent...