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Old 05-04-2014, 12:50 PM   #1
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Okay for basement bath rough-in dry fit.


Okay for basement bath rough-in dry fit.-image-709986085.jpg



Okay for basement bath rough-in dry fit.-image-1886557816.jpg

Four inch is toilet.
Shower is where trap is.
Lavatory is at end of 5' straight.

Air admittance will be at lavatory. (Maybe one at shower too?)

There is very little room for any other options. I'd put other sketches but can't access photos. I went to privacy settings and everything is on...? It'll only let me take photos from camera.

Thanks in advance.

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Old 05-04-2014, 01:07 PM   #2
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Okay for basement bath rough-in dry fit.


Quote:
Originally Posted by Squeakyhinge View Post
Four inch is toilet.
Shower is where trap is.
Lavatory is at end of 5' straight.
Where's the Back Water Valve?

Quote:
Air admittance will be at lavatory.
Where is the main stack?
iow.. expect that a real vent will be required even if one of several drains can have an AAV

Quote:
It'll only let me take photos from camera.
Copy from camera to the hard drive.
Then resize and attach to posts.

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Old 05-04-2014, 01:18 PM   #3
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Okay for basement bath rough-in dry fit.


I'm sorry don't know about a "back water valve"
Is this a clean out?

The main stack "T's" into where that bottom 4" 90 comes from and goes out through that basement wall to outside.

I just want a air admittance. I think code says take it at least to next floor, through concrete ceiling btw. We are up on a hill. I figured it would never be a problem and more so trying to cut back on the extra routing work. Please don't get mad, diy'er painter here.

Re photos, I'm working from a smart phone. Thanks for your quick replies.
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Old 05-04-2014, 01:40 PM   #4
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Okay for basement bath rough-in dry fit.


Your shower is not vented as shown.

You also cannot use a tee to pick up your water closet.

Also you cannot use a tee like configured to the lav. It is a prohibited use of fittings because feces loves to block the connection on your 3 inch with 1.5 inch on the down turn.

Last edited by Ghostmaker; 05-04-2014 at 01:43 PM.
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Old 05-04-2014, 01:48 PM   #5
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Okay for basement bath rough-in dry fit.


I suggest you take all the fancy 3 inch 90's (TEE) back and purchase some wye fittings.

IPC that PA follows

706.4 Heel-or side-inlet quarter bends. Heel-inlet quarter bends shall be an acceptable means of connection, except where the quarter bend serves a water closet. A low-heel inlet shall not be used as a wet-vented connection. Side-inlet quarter bends shall be an acceptable means of connection for drainage, wet venting and stack venting arrangements.

Last edited by Ghostmaker; 05-04-2014 at 01:51 PM.
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Old 05-04-2014, 01:51 PM   #6
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Okay for basement bath rough-in dry fit.


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...code says take it at least to next floor (to a point ABOVE that levels trap), through concrete ceiling btw.
Being a PITA doesn't matter a whole lot to the code writers.
Check with your County.


Quote:
I'm sorry don't know about a "back water valve"
Is this a clean out?
Nope. LINK
Another "Check with your County" item
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Old 05-04-2014, 05:23 PM   #7
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Okay for basement bath rough-in dry fit.


Quote:
Originally Posted by Ghostmaker
Your shower is not vented as shown. You also cannot use a tee to pick up your water closet. Also you cannot use a tee like configured to the lav. It is a prohibited use of fittings because feces loves to block the connection on your 3 inch with 1.5 inch on the down turn.
Yes I didn't dry fit the vent for shower, sorry. Was thinking of just a 90 between the 4" and the trap?

When you say t for water closet, do you mean the 4"x4"x2"? What's the option you were thinking of please?

And you say no T for lav because feces gets stuck but isn't the lav considered the sink and what's the solution please?

Is a quarter bend tighter than those sweeping 90's I have? I figured they would allow for better flow?

Sorry, if I'm a pita too. If you look at my other posts you'll see I've been workin on this for a while. Thanks for your help. I really appreciate all your replies.
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Old 05-04-2014, 06:06 PM   #8
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Okay for basement bath rough-in dry fit.


Bump please
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Old 05-04-2014, 06:27 PM   #9
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Okay for basement bath rough-in dry fit.


This is one case where I would pay for a real plumber to do the rough in.
The whole deal is a one shot deal.
Done wrong and it does not work, will not pass inspection.
Dozens of post this and any DIY site talking about toilets, sinks not flushing, sucking the traps dry when flushing ECT.
I'm also not seeing any gravel for the pipes to rest on.
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Old 05-04-2014, 06:52 PM   #10
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Okay for basement bath rough-in dry fit.


yep agree with joe....no disrespect to you ...somethings are just bigger than we are even though we want to try.. we just can't grasp how they go.. ...because its underground it needs to be installed properly or it just won't work... explaining how vents ,offsets, rise and fall centerlines and what they mean to the code for inspections really can't help you if you don't understand how they work togeother to form a plumbing system....
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Old 05-04-2014, 07:30 PM   #11
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Okay for basement bath rough-in dry fit.


It's really hard to talk plumbing to someone that doesn't understand plumbing. What im telling you is toss that weird 90 with a 2 inch out in the trash can and rethink what your doing.
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Old 05-04-2014, 07:36 PM   #12
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Okay for basement bath rough-in dry fit.


Look at the letter T A tee fitting cannot be used as a drain flat or horizontal.
The code also outlaws your use as you have it on the toilet in the horizontal. The reason is your little pipe to the lav is a feces collector and will only be a constant problem.

They call it a heel outlet 90. I call it a tee fitting that is what it is.
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Old 05-04-2014, 09:22 PM   #13
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Okay for basement bath rough-in dry fit.


Quote:
Originally Posted by Ghostmaker
Look at the letter T A tee fitting cannot be used as a drain flat or horizontal. The code also outlaws your use as you have it on the toilet in the horizontal. The reason is your little pipe to the lav is a feces collector and will only be a constant problem. They call it a heel outlet 90. I call it a tee fitting that is what it is.
I don't think there is any other way.
Had a 90 (with no heal) going straight up, topped with a 4x4x2, and then the flange for toilet, and the flange was higher than where I wanted the slab. Would have about an inch of transition at both doors. Hate to lay the y flat but don't think there is another option. This is the layout from hell. That's why I'm not hiring a plumber. They are just as capable of screwin stuff up.

Just a random thought: what if the 2 came out of the side of the heal instead of the rear?
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Old 05-04-2014, 10:38 PM   #14
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Okay for basement bath rough-in dry fit.


Looked it up on the web, a side outlet 90.
Reason I'm laying everything sideways instead of going straight up is because that's where the toilet needs to be.

Also, if I go straight up from the "main" with the wye on top, it goes too high.

I'm very sorry I can't show the hole bath layout. Still cant get photos from my camera roll. This is tantamount to micro managing. I have a software that shows the layout too. To lazy to sketch a 3d drawing too. They're hard for me.
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Old 05-04-2014, 10:43 PM   #15
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Okay for basement bath rough-in dry fit.


If I use the side outlet 90, then both lab and shower can come from that.

Or the other heel outlet can be used for a vent.

Thanks for your replies. I know this is hard. I've been on this for a couple years. Since the master bed went into the basement a couple years ago, been trying to squeeze in the bath so we don't have to climb stairs in the middle of the night.

Also, gravel is coming after I feel good about the dry fit.

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