What is the slope requirements for sink drain


Old 01-10-05, 07:49 AM
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Question What is the slope requirements for sink drain

I am finishing off my basement and I want to install a bar sink. How far from the existing plumbing can I go? What is the inch of drop per foot of run ratio?
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Old 01-10-05, 08:08 AM
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Not sure if there is a rule on how far it can be away from existing plumbing. There IS however the requirement for a vent from the the drain. You may want to check your local codes and see if you can use an Air Admittance valve rather than a vent line. Slope is 1/4" per foot. Good luck.

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