Onsite Arithmetic Articles

Over the next couple months we will revisit a couple of problems to sharpen our calculation skills. For the first problem let’s look...

Here are the answers to practice problem No. 6.1. If you are evaluating a pump tank and pump system and you measure the...

Given the interest and discussion last year when we looked at a few operation and maintenance questions, I thought we would ask...

Here are the answers to practice problem No. 5.1. What is wrong with the calculation of the average daily flow?Answer: I did not...

The latest installment in the Onsite Arithmetic series is a continuation of the previous problem. To see that problem, click here.1. What is...

Here are the answers to practice problem No. 4.1. If the pump tank is 49 inches by 60 inches by 70 inches...

Here's another septic practice problem.1. If the pump tank is 49 inches by 60 inches by 70 inches deep, calculate the gallons...

Here are the answers to practice problem number three.1. If a pump tank has the following dimensions, 42 inches by 60 inches by...

Here's another septic practice problem. This is the third in a series. The others can be seen at the links below.If a pump...

Here are the answers to the practice problem for the month of September.I have a cylindrical (round) tank that has a diameter of 4 feet and...

Here’s your practice problem for the month of September.I have a cylindrical (round) tank that has a diameter of 4 feet and is 5.5 feet...

One reader who worked through the first Onsite Arithmetic problem made a couple of good points that should be clarified for subsequent problems...

Here are the answers to the questions posed in Onsite Arithmetic.A rectangular septic tank has the following dimensions: 7 feet long; 4...

Last week I went through the example calculations for determining operating volume and gallons per inch in a rectangular tank. Now put...