The reliability of the area where construction works depends on the risk to a person's health if he falls from his position. Countries have solved these security problems by setting height standards.
In accordance with this standard, three types of "Fall Arrest Systems" are applied. These are called "Tower Crane Compatible Adjustable Cassette System", "Tower Crane Compatible Fixed Cassette System" and "Pipe System". These are systems that can be installed practically and ensure maximum safety of workers.