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Discussion Starter · #1 ·
Here is a pic of what the builder roughed in.

http://i.imgur.com/S25LIem.jpg

Under the pile of rocks is a drain which i assume is for the shower. In the middle is the toilet. I am not sure where i am supposed to drain the sink which is supposed to be on the right.

I'm pretty sure all three pipes on the wall are vents.

What do you think?
 

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I think none of that makes any since the way it was run.
Are those PVC pipes running down the wall?
 

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Here is a pic of what the builder roughed in.

http://i.imgur.com/S25LIem.jpg

Under the pile of rocks is a drain which i assume is for the shower. In the middle is the toilet. I am not sure where i am supposed to drain the sink which is supposed to be on the right.

I'm pretty sure all three pipes on the wall are vents.

What do you think?
Are the pipes at the wall all 2"?
 

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Keep in mind i am not a plumber by any means but if i was to guess at it... it looks like you have a sump behind the water heater?... im guessing there is drains down under the cement that go to the sump or they are going to install one? Once again these are all guesses but i do agree with you that does look like 3 vent lines but im guessing that your sink is suppose to be on the right side of the toilet they would need to tie into that line below the concrete or something similar all a guess sorry i cant be more help
 

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Can you read the writing on the wall?:)
Measure 147" and see which pipe lines up close to that
 

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You have more risers then fixtures so one will be your lav. I suspect one oof the 2 on the right and it probably doesn't matter which one if the right fittings were used underground. Your plumbers did good clean work too so I suspect whats under the floor is OK.
Bear in mind that the center of the toilet flange needs to be 12" from the finished back wall surface. Looks like your chalk line needs to go towards the foundation more
 

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Typical waste height for a lav is 19" above finish floor to center of the drain
 

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Roofmaster
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Wow, that plumber had nice printing, and clearly articulated exactly what the purpose of each line was for. Impressive. You dont see that very often. Very impressive on the part of the plumber.
 

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The reason his pipes are so far off the wall my guess is the footing under foundation. I would use the pipe on the right make sure if you use a 2"x1-1/2" Ty you don't go any further than 5 feet from vent the rough height is 18" at the lav and pitch down towards drain at 1/4" per foot no more than that important
 

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Discussion Starter · #14 ·
Also, i want to add a sink for the bar which will be on the the other side of the bathroom wall.

Does it matter which line i use to drain or just use the closest one?

I will need to run the drain pipe about 7 feet.

Anything wrong with sharing vents?
 

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Roofmaster
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I would use 2 inch pipe and not worry about it. run the pipe right out the end and put a clean out on the end behind a panel in the bar. The only trouble with bar sinks is that they are often unused for a long time and the trap can dry out, allowing sewer gas into the house. Just be aware of it.

Im not sure where the 5 foot thing came from, as the old books I have say 48 pipe diameters. I guess thats code nowadays. I think you could get away with 7 foot on a 2 with no problem at all.
 
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