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Old 10-23-2012, 04:40 PM   #16
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Can bath sink and service sink drain into 1.5" branch drain


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Hammer.....just wondering....why do you use white PVC when we have to use the black ABS?

I guess because we can here in Ohio

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Old 10-23-2012, 09:02 PM   #17
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Can bath sink and service sink drain into 1.5" branch drain


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I've looked in UPC and IPC and cannot find the specific designation for all Laundry sinks, Kitchen sinks, Service sinks..."sinks" to be 2" after the trap arm. Can you provide it?

Thanks

It's a footnote on the DFU chart.

And now that I look at the newest 2011 codebook, it must have changed.


It used to be a 2" minimum drain for all "sinks"

Are you planning on dumping a washing machine into it?
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Old 10-23-2012, 09:13 PM   #18
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Can bath sink and service sink drain into 1.5" branch drain


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It's a footnote on the DFU chart.

And now that I look at the newest 2011 codebook, it must have changed.


It used to be a 2" minimum drain for all "sinks"

Are you planning on dumping a washing machine into it?
My book says "all sinks" on table 7-5 but it is also not a 2011 edition. But I believe he is under a different code- something about 3 DFU's on a 1.5" line
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Old 10-24-2012, 04:36 AM   #19
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Can bath sink and service sink drain into 1.5" branch drain


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Are you planning on dumping a washing machine into it?
No washing machine dump into this "laundry sink" in garage....I'd rather call it a "slop-sink"--- somewhere to wash up outside without getting yelled at for trudging dirt into the house.


I believe the code we are under is IPC....not UPC
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Old 10-24-2012, 07:54 PM   #20
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Can bath sink and service sink drain into 1.5" branch drain


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My book says "all sinks" on table 7-5 but it is also not a 2011 edition. But I believe he is under a different code- something about 3 DFU's on a 1.5" line
DO OVER!

I was mistaken. My book actually from 2008 says laundry sink can be 1.5"


I checked the 2004 book at the shop today, and it says the same thing.


HOWEVER, the 2011 book does ACTUALLY say that the laundry sink requires a 2" drain.


I knew I wasn't crazy, just a little mixed up.
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Old 10-25-2012, 04:43 AM   #21
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Can bath sink and service sink drain into 1.5" branch drain


Here's what I think we're gonna do. Cut out most of the 1.5" and then use the below setup for the 2" garage sink and to pick up the 1.5" lav sink.
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Old 10-25-2012, 09:03 AM   #22
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Can bath sink and service sink drain into 1.5" branch drain


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Here's what I think we're gonna do. Cut out most of the 1.5" and then use the below setup for the 2" garage sink and to pick up the 1.5" lav sink.
That should be fine....

However, because of the way you're using those fittings on your lav connection, the angle is going to be screwed up.

I'm pretty sure you would need a 1/6 bend to make that straighten out and have decent grade.


Your other option is to add another 1/8 bend and eliminate the funky angle.
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Old 10-25-2012, 10:23 PM   #23
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Can bath sink and service sink drain into 1.5" branch drain


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That should be fine....

However, because of the way you're using those fittings on your lav connection, the angle is going to be screwed up.

I'm pretty sure you would need a 1/6 bend to make that straighten out and have decent grade.
Your other option is to add another 1/8 bend and eliminate the funky angle.
You think? I already have 2- 45's in there, one street and one - hub x hub. There is definitely an elevation change from "F" to the tap of the Wye.

If you have not noticed, where the lav sink enters the rim joist cavity which would be "F" this is at a higher elevation than where the 2" stub out "G" will punch thru the rim joist for the utility sink.

Do not understand what would need to be adjusted for the lav sink portion after the wye
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Old 10-26-2012, 09:10 AM   #24
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Can bath sink and service sink drain into 1.5" branch drain


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You think?

Yep, definitely. I tried it lots of times when I was first learning, and it never works out perfectly straight.


To adjust it, you need to put the street 45 into the wye just like you have the other one. At this point, you can either swing the wye/45 combo up on a 45 degree angle if you have room, or you run it flat and offset with 2 more 45's.
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Old 11-04-2012, 08:32 AM   #25
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Can bath sink and service sink drain into 1.5" branch drain


Got the rough in done yesterday.
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Last edited by hammerlane; 11-09-2012 at 06:53 AM.
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Old 11-04-2012, 10:09 AM   #26
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Can bath sink and service sink drain into 1.5" branch drain


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Got the rough in done yesterday. Only issue is a crooked section from the 2" wye back toward the 2 x 1.5 wye.(see photo) It still has proper pitch toward the stack, but it's just cocked laterally. If I keep looking at it I probaby will have to fix it. I suggested dry fitting EVERYTHING together first, but buddy who helped said no need. This was one argument I won.

The stub out from the run of the 2 x 1.5 wye that has the cleanout , was stubbed out like that because buddy has a brand new urinal that may be a future install.
Yep, there is no way to straighten that back out. I see now that you have a ball valve and water line in the way. I probably would have swung the wye up vertical and then put a 1.5" street long sweep 90 on the wye instead. It would have been straight then, and probably fit just right. Hard to tell without dry fitting it though.



Nevermind, I misread your post. :P but I bet the other section is crooked too.
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Old 11-04-2012, 11:08 AM   #27
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Can bath sink and service sink drain into 1.5" branch drain


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I probably would have swung the wye up vertical and then put a 1.5" street long sweep 90 on the wye instead.
Could not of swung that Wye to the vertical because of height issue.
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Old 11-04-2012, 11:09 AM   #28
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Can bath sink and service sink drain into 1.5" branch drain


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Nevermind, I misread your post. :P but I bet the other section is crooked too.
What other section? Everything else is straight.

Last edited by hammerlane; 11-09-2012 at 06:52 AM.
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Old 11-16-2012, 01:50 PM   #29
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Can bath sink and service sink drain into 1.5" branch drain


sink base cabinet, countertop and sink finished. Oatey AAV used for venting
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Old 11-16-2012, 02:37 PM   #30
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Can bath sink and service sink drain into 1.5" branch drain


Looks good! Now open the fridge and have beer

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