Sewer plumbing

Old 11-13-00, 05:03 PM
Gary Tait
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I have constucted a new septic system. All basement sewer plumbing must be rerouted. How slight an angle or how steep must the angle of 3" PVC be to be sure it gets out to the septic tank?
Old 11-13-00, 09:56 PM
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Drain lines, regardless of how large or small they are, need to fall at a rate of at least 1/4" per foot.

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