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Plumbing Drain Lines not Sloped

Posted on 5/15/19 at 7:54 pm
Posted by deeprig9
Unincorporated Ozora, Georgia
Member since Sep 2012
64070 posts
Posted on 5/15/19 at 7:54 pm
I don't know the terminology, but I know enough to know that the shite pipe is supposed to have a slope to it, and not run 20 ft horizontal.


The easy answer is just re-run the shite pipe at a slope, right?

But the main drain pipe it enjoins is high enough up that the enjoinment doesn't allow for slope.

So now I'm replumbing the whole shite show, right?

I know they have "shite shredders" in Germany, can I just put one of these in line?

Posted by Johnpettigrew
Louisiana
Member since Sep 2017
1633 posts
Posted on 5/15/19 at 8:48 pm to
I think the proper slope is one hundredth per foot on sewer pipe. You don’t want too much slope because the water will out run the solids which turns into a blockage.
Posted by Johnpettigrew
Louisiana
Member since Sep 2017
1633 posts
Posted on 5/15/19 at 8:50 pm to
On 20’ that would be less than 1/4 inch
Posted by WhiteMandingo
Member since Jan 2016
5607 posts
Posted on 5/15/19 at 8:55 pm to
The code is 1/8 th of an inch per foot for sanitary waste.
So on 20'
You need 2 1/2" of fall
Posted by deeprig9
Unincorporated Ozora, Georgia
Member since Sep 2012
64070 posts
Posted on 5/15/19 at 8:58 pm to
quote:

The code is 1/8 th of an inch per foot for sanitary waste.
So on 20'
You need 2 1/2" of fall



I have zero inches of fall.
Posted by CottonWasKing
4,8,15,16,23,42
Member since Jun 2011
28653 posts
Posted on 5/15/19 at 9:04 pm to
quote:

I have zero inches of fall.


Do yourself a favor. Call a good plumber and let them deal with it while you write the check
Posted by deeprig9
Unincorporated Ozora, Georgia
Member since Sep 2012
64070 posts
Posted on 5/15/19 at 9:19 pm to
quote:

Do yourself a favor. Call a good plumber and let them deal with it while you write the check



I had three plumbers tell me to frick off on the phone, they don't do septic, I said I just had my septic replaced, it ain't the septic, they say it must be your main line, I say no, they replaced that too, I say I'll send you a picture of my invoice, I'll send you pics of the work, just send somebody out, nobody in metro ATL wants my money. I'm feeling very Frank Rizzo about this.
Posted by deeprig9
Unincorporated Ozora, Georgia
Member since Sep 2012
64070 posts
Posted on 5/15/19 at 9:20 pm to
This is 90's build, probably alot of buildup, can I pour muriatic acid down the pipes to get this shite cleaned out?
Posted by Zappas Stache
Utility Muffin Research Kitchen
Member since Apr 2009
38730 posts
Posted on 5/15/19 at 9:58 pm to
What type of toilet flange do you have? A typical one drops straight down and connects to a 90 elbow that runs out to you stack...or septic in you case. You can get a 45 degree toilet flange that you would connect to another 45 elbow and should give you some xtra height at the start of the run.
Posted by deeprig9
Unincorporated Ozora, Georgia
Member since Sep 2012
64070 posts
Posted on 5/15/19 at 10:13 pm to
90 out of toilet






Bathroom sink joins it here.






Turn here about 3 feet from where the sink line joins it.






Then it is a straight line for another 10 feet or so.



Posted by Zappas Stache
Utility Muffin Research Kitchen
Member since Apr 2009
38730 posts
Posted on 5/15/19 at 10:31 pm to
So is the toilet backing up? What is the issue you are having?
Posted by WhiteMandingo
Member since Jan 2016
5607 posts
Posted on 5/16/19 at 10:57 am to
You could install a lift station?

Idk
Posted by deeprig9
Unincorporated Ozora, Georgia
Member since Sep 2012
64070 posts
Posted on 5/16/19 at 3:46 pm to
Sometimes. And when it does, you get bubbles when running sink in the same room, or one of the upstairs bathrooms but not the other upstairs bathroom.

Posted by Zappas Stache
Utility Muffin Research Kitchen
Member since Apr 2009
38730 posts
Posted on 5/16/19 at 4:00 pm to
quote:

Sometimes


One thing I don't see in your pics is a vent pipe. Is there one near the toilet?
Posted by deeprig9
Unincorporated Ozora, Georgia
Member since Sep 2012
64070 posts
Posted on 5/16/19 at 5:57 pm to
I will look for this tonight. I appreciate your attention to the matter. Im also a big zappa fan.
This post was edited on 5/16/19 at 5:58 pm
Posted by keakar
Member since Jan 2017
30065 posts
Posted on 5/17/19 at 11:15 am to
quote:

I had three plumbers tell me to frick off on the phone, they don't do septic, I said I just had my septic replaced, it ain't the septic, they say it must be your main line, I say no, they replaced that too, I say I'll send you a picture of my invoice, I'll send you pics of the work, just send somebody out, nobody in metro ATL wants my money.


i think the issue they dont want to deal with is, you cant reasonably raise the house, so the remedy to create more angle to the sewer lines would be lowering your septic system connection, if not the whole system.

so have a look, can the entry point to septic system be lowered at least an inch or two if those pipes were cut and reconnected?

next time when you talk to them, say the company you had come out, you think they did a bad job and installed the main line wrong and you need that main line part adjusted or replaced. maybe just ask for an inspection to be done and then while the guy is there, you two can figure out what needs to be done.
This post was edited on 5/17/19 at 11:29 am
Posted by keakar
Member since Jan 2017
30065 posts
Posted on 5/17/19 at 11:23 am to
as mentioned, you need at minimum a 3" vent pipe connection very close to the toilet, i dont recall off hand the exact code, but its something like within 3 feet. also why isnt there a cleanout and the end of the line before the toilet in case of a blockage? there almost always is for exposed sewer lines.

i also notice in your pictures it looks like thats a 4"x 3" 90 on the toilet, im no code expert but no way in hell should you be reducing pipe size after the toilet.

another observation is they seem to be trying to cram everything in tight to the floors to get between the floor joist bracing instead of under them. is there a really good reason they couldnt have run the pipes at more natural way going under the rafters as needed? im mainly looking at that damn cross brace right by the toilet 90
This post was edited on 5/17/19 at 11:32 am
Posted by Chucktown_Badger
The banks of the Ashley River
Member since May 2013
31165 posts
Posted on 6/18/19 at 1:05 pm to
So maybe not the perfect thread for this question but close enough.

In my second bathroom (humble brag), the water in the tub will drain only to the point that it's below the drain cover. So if I take the plug off, I can see the water sitting there about an inch down.

I live on the fourth floor of a five story condo building, and the master bath does not have the same issue. Is there any way to know what's likely causing this? It's not blocked because all the water drains and I've gone at it with one of those 3 foot long clog grabber things. Would be interested to know if it was faulty plumbing from the start, something within the walls of my condo, or something further down the line out of my reach.
Posted by wickowick
Head of Island
Member since Dec 2006
45815 posts
Posted on 6/18/19 at 1:44 pm to
There is a p trap under all plumbing to keep sewer gasses from coming into the home. You are seeing the water on the top of the p trap

Posted by Chucktown_Badger
The banks of the Ashley River
Member since May 2013
31165 posts
Posted on 6/18/19 at 2:07 pm to
quote:

wickowick


So you're saying that's normal then?

Haven't showered in there for months and then we suddenly had an issue with drain flies. Just finished offing those frickers with a wire brush cleaning and some DrainGel.
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