Tag Archives: calculations

Show Me the Money

Going Green and Treatment Optimization can save you money. Ironically, these two topics are subjects for continuing education classes that DCA offers this year. A lot of times instructors offer operators alternatives and solutions that are viable but operators often … Continue reading

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Water Industries Smart Phone Applications

The National Rural Water Association (NRWA) has designed an application for iPhone and Android phones. The app is designed to help aid water and wastewater operators in several calculations performed in daily operations. Some of the calculations this app helps … Continue reading

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Calculating Costs – Part II

In Part one of Calculating Costs, we visited a project in which a city is faced with updating the treatment plant. In the scenario, the city is faced with a deficit of $53,340 per year that it has to cover. … Continue reading

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Calculating Costs – A Crucial Skill!

As operators, we always face the music of cost dictating the way that our processes are governed. Many times figuring costs, figuring payback times, establishing budgets and taking care of normal day-to-day operations is essential in this profession. Many operators … Continue reading

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Test Your Knowledge – Calculating Flow Through a Pipe

Now that you have read the post, Calculating Flow Through a Pipe, try working the following practice problems on your own. The velocity through a 4-inch pipe is 2.1 ft/s. What is the flow rate in gpm? What is the flow … Continue reading

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Calculating Flow Through a Pipe

For distribution operators, calculating flow is one the most frequently encountered math problems on their exams. Therefore, it is a good idea to have a working knowledge of the flow formula. The flow formula can be shown as Q = … Continue reading

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Test Your Knowledge – Bleach Disinfection

Now that you have read the post Bleach Disinfection, try working the following practice problems on your own. How many gallons of bleach at 5.25 percent will be needed to disinfect a 12-inch pipeline that is 3,000 feet long? Use … Continue reading

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