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-   -   Plumbing for Utility Sink in Garage (http://www.diychatroom.com/f7/plumbing-utility-sink-garage-160272/)

hammerlane 10-16-2012 10:36 AM

Plumbing for Utility Sink in Garage
 
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I want to add a wash sink inside my garage. On the opposite side of the wall where I want to add the wash sink there is an inside bathroom sink. See two different diagrams below for existing setup. What I want to do will be in my next post. The diagrams are not to scale and some of the shown drain lines are not straight.

hammerlane 10-16-2012 10:39 AM

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Would it be OK to just cut in a San-T at position "A" and use this to pick up the utility sink.

AAV's are allowed in my jurisdiction to vent it if needed??

DannyT 10-16-2012 11:02 AM

if you are talking about one of those laundry tub sinks, 18 inches is a little high for one of those. we always roughed those in at around 12-14 because they are so deep. what you propose would work.

hammerlane 10-16-2012 11:43 AM

Quote:

Originally Posted by DannyT (Post 1031971)
if you are talking about one of those laundry tub sinks, 18 inches is a little high for one of those. we always roughed those in at around 12-14 because they are so deep. what you propose would work.

Thanks.

From the garage floor to the top of the bottom plate is just under 13 inches. So I could probably cut that San-T in so that the tap is at about 15"

In your opinion, is there a need for an AAV? Or could I just have the vent for the bath sink vent the utility sink?

hammerlane 10-16-2012 03:40 PM

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With the use of an AAv for venting, This is how the install would look after the San-T at position "A". Refer to diagram in post #2.

hammerlane 10-17-2012 06:11 PM

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Had someone say to take the "PROPOSED" drawing in post #2 and modify it to this:

Said to take San-T at position "A", turn it to the left, use a Wye on its back(fitting "F") with a Street-90(fitting "G"). The Street-90 would pick up the slop sink.

Alan 10-17-2012 08:29 PM

Quote:

Originally Posted by hammerlane (Post 1032877)
Had someone say to take the "PROPOSED" drawing in post #2 and modify it to this:

Said to take San-T at position "A", turn it to the left, use a Wye on its back(fitting "F") with a Street-90(fitting "G"). The Street-90 would pick up the slop sink.

I like your modification. That would be legal here.

Nice work.

hammerlane 10-17-2012 08:59 PM

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Quote:

Originally Posted by Alan (Post 1032963)
I like your modification. That would be legal here.

Would not this configuration work with the use of an AAV after the stub out from
San-T fitting "A"???

Alan 10-17-2012 09:23 PM

Quote:

Originally Posted by hammerlane (Post 1032984)
Would not this configuration work with the use of an AAV after the stub out from
San-T fitting "A"???

It would. I prefer conventional venting methods, however.

hammerlane 10-17-2012 09:40 PM

Quote:

Originally Posted by Alan (Post 1032992)
It would. I prefer conventional venting methods, however.

I understand. Thanks.


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