Reventing basement to avoid wet venting

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MittyTRawl

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Hi Everyone,

Im planning on moving a first floor kitchen sink and so will need to connect its drain to a 2" cast iron stack in the basement. Already wet vented in the basement is a laundry standpipe and a utility sink. I'm on the 2021 UPC and so assume the inspector will want both the utility sink and washing machine vented separately. What is the cleanest way to do this considering the kitchen sink drain will enter the cast iron stack where the washing machine would be best vented?

20220309_165429.jpg
 

John Gayewski

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You can't tie the kitchen sink in above the other two fixtures.

Sorry didn't take a good look at that picture.

What you have pictured is fine I think wyes would be better for drainage.
 
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Terry

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It looks like your laundry sink and washer are vented, and then the far away kitchen sink ties into the waster below where the vents tie in. That should work.
 
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