Need help sizing pipe

Old 02-01-07, 10:42 AM
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Need help sizing pipe

I am building a cabin next summer and would like some help sizing the vents and drains. Also let me know if I have to vent the toilets. I If the picture isn't good enough let me know and I will redo it but a plumber should understand it I think. The picture represents one bathroom directly over another bathroom in the basement with the showers and washer on one wall and the toilets and sinks on the other. The kitchen sink is 20 feet from the main drain but all the others will be around 2 to 3 feet.
Old 02-02-07, 09:01 AM
Join Date: Jan 2007
Location: Central Indiana
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I got a copy of Taunton's "Code Check Plumbing" and found it an invaluable refernce when I plumbed my house and I would suggest getting it. Amazon or some of the box stores sell it. First, you need to find out what code you'll be operating under, IRC, UPC, or what? That will determine what the rules are, then you can finalize the design. Yes, toilets need to be vented.

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