
12-01-2007, 04:54 PM
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Deity
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Join Date: Apr 2004
Location: Youngstown, Ohio USA.
Posts: 2,258
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Typically we make the waist arm at 16" to 18" unless there is a specific reason such as a deep sink, on the other hand, the code will allow the tailpiece from the sink to be a maximum of 24" vertical from the elevation of the drain opening to the water level in the trap. In most instances 14" would be adequate for a deep sink, but i would measure the cabinet height, deduct the sink depth then deduct another 6" or even more if there is going to be a disposal on the deep sink.
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