There is a huge difference in the replacement cost of the grinder pumps, which can have a $2,000.00 to $3,000.00 retail price depending upon installation and labor. The replacement cost of a sewage pump could be in the $400.00 to $600.00 price range depending upon installation and labor.
Universal Systems Model. The Universal Systems Model is a model that is used to evaluate systems. All technological systems can be described with the Universal Systems Model, and the five elements that define this model are: Goals, Inputs, Processes, Outputs, and Feedback. The goal is what you want to accomplish.
Universal Systems Model. A systematic approach implies that the designer has a conceptual model of the process. Models are abstractions of reality. Physical models (model cars, airplanes, dolls, etc) are the closest visual representation while mathematical models (formulas) dont look anything like the real object or process.