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I often receive questions on how to properly design a reline project, from assessment and hydraulics to structural design.  I thought I would take time to discuss one involving the latter in particular.QUESTION: I am doing a reline of a 60" diameter storm sewer. There are a lot of structural design methodologies being touted by various product

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The Irish playwright, George Bernard Shaw, wrote “The single biggest problem in communication is the illusion that it has taken place”. Whether you are involved with the design, installation or the manufacture of pipe materials, the key ingredient to a successful project is communication.  Poor communication, or worse, no communication, can be a

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Hydrologic culvert design in general terms may be considered an art more than a science in my opinion. There certainly are hard facts and science involved but more often than not, when it comes to practical applications, the amount of data is typically very limited; this is especially true during the early stages of a projects design cycle.

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I get asked quite often a seemingly benign question related to the design and installation of corrugated metal (and plastic) pipes - a question that’s worded basically as – “Can a design engineer build in additional safety factor into the design to compensate for poor installation practices and techniques?”. This isn’t as simple or straightforward

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Dear Tech Abby:  Do I have to use a crushed stone backfill for my PVC sewer pipe installation?  --That 70’s EngineerDear That 70’s Engineer:  Good question… the answer is “maybe”…Well, let me expand on that.  First, when talking about PVC sewer pipe, remember that PVC products are commonly used in both gravity flow sanitary and storm sewer

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