Most often, a drainage pump is installed when there is dampness in the basement, wet walls, when mold appears, when water leaks are visible, or even more so when there is water on the floor. I have a specialist company that I contacted once to install a drainage pump
https://www.pomwaterproofing.ca/sump-pump/ . You can go to their website. There is a lot of information about the installation, the advantages of the pump. If you have a dry basement, then you do not need this equipment.