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Old 05-11-2010, 10:34 PM  
SJNServices
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Default Waste-water drain

What is the proper amount of drop per foot for a sewer line/waste water drain?


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Old 05-12-2010, 06:55 AM  
majakdragon
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Standard is 1/4" per foot for pipe sizes under 6". Over 6" it drops to 1/8" per foot.


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Old 05-12-2010, 07:11 AM  
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That's exactly how much I was thinking it was, but I wasn't sure. Thank you very much.
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Old 05-12-2010, 09:09 AM  
Redwood
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That is a minimum pitch, the maximum is vertical.
If someone says something about water outrunning solids it is a busted myth.
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Old 05-13-2010, 09:18 AM  
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Job done. and water does indeed go down hill!


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