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First thing’s first, let’s talk about some basic hydraulics. Most shorter length culverts are inlet controlled and just about all storm sewers are outlet controlled. So for storm sewers, the flow is limited by the outlet conditions of the pipe and the roughness inside the pipe matters. The primary method to determine the flow rate (Q) of a storm

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The design, manufacture and installation of Concrete, Corrugated Steel, Plastic and Steel Reinforced Polyethylene pipe happens every day for storm sewers and culverts. While most design engineers spent many hours in college learning about hydrology and hydraulics, how many spent time studying the buoyancy of pipe materials in the field? While most

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If you were to work at a firm for 50 years or stay married to the love of your life for 50 years, would you say that was a remarkable milestone?   Would one consider this to be a life time of service where congratulations are in order?  So, tell me, when a design engineer chooses to use a pipe product that has an anticipated design service life of

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A question that comes up frequently: “Will this alternate pipe solution convey the same amount of flow that’s shown on these set of plans?”And the one thing most people tend to dread hearing is the same tired response: well, that depends. Why does it always have to depend on something? Just give me an answer: yes or no?As an engineer, it has been

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Defined by the US Department of Homeland Security, Infrastructure Resiliency is the ability to reduce the magnitude and/or duration of disruptive events. The effectiveness of a resilient infrastructure or enterprise depends on its ability to anticipate, absorb, adapt to, and/or rapidly recover from a potentially disruptive event. That being the

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