![]() ![]() ![]() For new works, it is bad engineering design, or possibly a mistake during construction. This is the sort of mistake that can happen in engineering design, and although it can be corrected, the problem is so obvious that it can’t be argued. It shows an inlet structure that’s inaccessible for operational staff to maintain, and also a primary structure that has been installed backwards. The first (Figures 1 and 2) is a treatment works with a new inlet installation. From this point, it’s a case of selecting the right technology for the right measurement purpose. To start at the beginning, the first place we get things wrong is not thinking about what instrumentation, including flow meters, are going to be used when designing a wastewater treatment works, as well as what needs to be managed. The quick answer can be everywhere from the design of flow measurement structures, choosing the wrong technology or the wrong place, to poor operation or, in some cases, accidental (through poor knowledge) or deliberate tampering to misguidedly make the treatment works “pass.” ![]() It can affect consenting and the assessment of the impact on the environment. The mismeasurement of flow has serious implications in terms of the operation of wastewater systems and, if believed, the design as well. The Mistakes We Make … And Their Implications Generally, the mistakes that are made are “no-brainers” that can be surmounted with proper thought, or if the “cheapest” path isn’t taken. In short, there are a lot of mistakes made when measuring flow. In order to manage it (to paraphrase an old adage), it is necessary to measure it. and Europe on a daily basis is roughly 100 billion gallons per day. Don’t let faulty installations or O&M set you back.įlow is fundamental to the wastewater industry the amount that flows through the various wastewater systems in the U.S. Innovation is upon us in flow meter design, allowing for more technology options and better precision. ![]()
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