Pumps & Systems, May 2017, by Ray Hardee.
http://www.pumpsandsystems.com/pumps/may-2017-choosing-pump-total-system

"In this two-part series, we will look at a simple system consisting of a collection tank, a pump, distribution tank and the interconnecting piping as shown in Figure 1. This simple system is often used for distribution of water, bulk materials transfer, industrial waste collection and agricultural irrigation."