Trying to fix up some plumbing problems.


  #1  
Old 04-14-05, 09:39 AM
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Trying to fix up some plumbing problems.

My house was built in 1975, and has a full bath in the basement.
Well I decided to re-do the whole basement, and I have come to some areas where I could use some advise, what I have now is NOT to current code, but the city inspector told me if I could fix up some areas he would pass the rough in.

1st , he says I have a "flat dry vent", but because it is cast in concrete and has been that way since the house was built he says he just wants me to make sure it dosnt get clogged, and to check it several times a year, I of course said "yes sir"

I have a 3" sewer pipe in the floor, Starting from the vent, this is what is hooked to the pipe.
from the 1-1/2" vent I have:
90 Degree fitting going into a 3" cleanout "T"
4" down there is another "T" inline that feeds a closet flange 12" away.
4 feet down there is another "T" that hooks to a 1-1/2 sink drain (plugged and will not be used)
36 " down there is another "T" that hooks to a 1-1/2" washing machine drain.

What I plan to do here is to add a "T" above the floor, because I have moved the sink, to another wall, making this drain the closest to the sink. So this drain will now have to handle 2 sinks and a washing machine.
I am hoping that by adding an additional "T" I can run a 1-1/2 pipe up the wall and across the cieling and connect it to the vent pipe at the start of the run. Thereby preventing a air lock (inspectors terms).
He went on to tell me that the laundry drain should really be 2" pipe.

So I am a little concerned if the laundry drain should really be 2" pipe, and I am using 1-1/2, will adding 2 bathroom sinks cause flow problems?
Is adding this additional vent really gaining me anything?
 
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Old 04-14-05, 05:07 PM
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Humm...no bites....How about a simplistic rendition of the situation.

 

Last edited by Stevetra; 04-14-05 at 06:55 PM.
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Old 04-15-05, 12:39 PM
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I moved your thread to the right forum.
 
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Old 04-15-05, 03:52 PM
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ok...still no bites....

Can someone tell me this....Wouldent it be better to place a vent at the new sink end rather then the laundry end?
Or will what I have drawn work just fine?
 
 

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