The staircase is a path that has steps (traps) that connect one floor with the floor above it and has a function as a way to rise and fall between the level floors.

Serves for the circulation of people on foot as well as to the main trajectory on inter-storey building level buildings in daily conditions because it becomes the main circulation then the main staircase must meet the comfort requirements for the use of up and down that is not tiring and endanger the wearer.