9.9.6.6.(1)

Intent 1:

To limit the probability that a person on the step nearest the door will be hit by the door when it is opened, which could lead to harm to the person.

Intent 2:

To limit the probability that a person stepping through the door and down onto a step will fall, which could lead to harm to the person.

Intent 3:

To limit the probability that a person will step through the door and down onto a step in an emergency situation, which could lead to the person falling and obstructing other persons using the exit, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.

Intent 4:

To limit the probability that there will not be enough space on the landing to stand while opening the door, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.