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 Laundry Drain and Vent
Author: gbennett (GA)

Hello,

I just had my rough inspection today and the inspector said the drain for the laundry (washing machine) had to be 3". I can not find anything anywhere that says this is the case. I'm in GA.

Here's a picture of the laundry drain and vent. Both are 2" and the vent is alone all the way until it connects in the attic with other 2" vents.



He wants everything below the "red" lines including the "T" to be 3".

Thanks for any help.

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 Re: Laundry Drain and Vent
Author: NoHub (MA)

Appeal it to the state board..... 2" is fine.

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 Re: Laundry Drain and Vent
Author: steve (CA)

Georgia's amendments to the 2012 IPC state -

406.2 Waste connection. The waste from an automatic clothes washer shall discharge through an air break into a standpipe in accordance with Section 802.4 or into a laundry sink. The trap and fixture drain for an automatic clothes washer standpipe shall be a minimum of 2 inches (51mm) in diameter. The automatic clothes washer fixture drain shall connect to a building drain, branch drain or drainage stack a minimum of 3 inches (76 mm) in diameter. Automatic clothes washers that discharge by gravity shall be permitted to drain to a waste receptor or an approved trench drain.
(Effective January 1, 2014)



[www.dca.state.ga.us]

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 Re: Laundry Drain and Vent
Author: North Carolina Plumber (NC)

Here in NC the vertical piping can be 2", but as soon as it turns horizontal under the floor it has to be 3". I use a 3" long sweep 90 with a 3" X 2" bushing in the top of the 90.

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 Thanks for the help NoHub, Steve and North Carolina Plumber :thumb:
Author: gbennett (GA)

Thanks for the help NoHub, Steve and North Carolina Plumber .

Just a little back ground on myself, I'm no plumber. I'm just an owner builder that's trying to build my own home.

- Here's a little more info on this area of the rough-in. The "Laundry" in question connects to the 3" drain to main with about 10' of 2" pipe.

- All drain pipe have a 1/4" per foot of slope, The fitting marked with the red "4" is higher on the inlet side.

- Does anyone see any issues with the toilet flange connection?

Here's 2 pictures to show:






Edited 3 times.

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