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Recent content by jdpowell

  1. jdpowell

    Inverted Stormwater Drainage Siphon

    I'm in the process of recommending an inverted siphon to cross under a row of pipelines. My pipe(s) length will be approximately 350' and the elevation difference between the inlet and outlet could be as much as 2.65 feet. I'm using an HDPE pipe with a mannings n of around 0.010. I need to...

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