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09-09 Waste pipe offset

Question: 09-09 Code Section: 7 Date: 12 August 2009 OBC 2006 Reference: 7.4.7.2(1)(a) Question Submitted: A kitchen sink waste has a horizontal section of 38′ where 19′ run parallel to the joists and the next 19′ run perpendicular to the joist. Now when the pipe changes direction the plumber dropped down using 2 -90º bends.

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