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View Full Version : Basement shower drain location.


greystreak92
November 15th, 2005, 08:31 PM
OK, looking for some specific answers here or well, at least one specific answer.

I have a 78 y/o home with a toilet in the basement and a drain near the center of the floor. The Mrs. would like to add a shower, slop sink and a shower. The location for the sink and washer drain is near enough to the stack that this portion of the project presents little difficulty. The shower however, is another matter. The most logical location for the shower puts it closer to the existing floor drain than the stack. So, my question is, what are the pitfalls, legalities, etc. to plumbing the drain for the shower under the slab and into the existing 4" floor drain? The floor drain itself is cracked and needs to be replaced anyway so I figured two-birds... etc. I know the shower drain pipe needs to be 2", have a trap, and then slope accordingly to allow for proper drainage. I'm just concerned that trying to plumb it back to the stack is quite literally an uphill battle. A trench dug back to the stack would require digging against the natural slope of the basement floor. Any tips, pointers, words of wisdom are appreciated.

Apologies for the length of this post. Those with knowledge in this area I can offer much info regarding Ford cars/ light trucks in return.

mdshunk
November 15th, 2005, 09:34 PM
Does this floor drain go into the sanitary sewer? Or into the sump/perimeter drainage system? If the floor drain goes into the sanitary sewer, there's no reason why you can't tee into its hookup for the shower drain. Don't be surprised though when you dig it up and find out that it's not 4" pipe.

greystreak92
November 16th, 2005, 09:36 AM
It the drains to the sanitary sewer. Yeah, I kinda figured the drain was probably of a different diameter than the sewer pipe itself.