To supersede the requirements of Sentence 9.9.9.1.(1), which would otherwise limit the travel distance to 1 storey to reach an exit or egress door, and permit a travel distance of more than 1 storey, on the basis that the floor level is served by a balcony, which can be used to provide a safe refuge area in an emergency situation.
This is to limit the probability of delays in evacuation or moving to a safe place, which could lead to harm to persons.
To supersede the requirements of Sentences 9.9.9.1.(1) and (2), which would otherwise impose other travel distance or exit limitations.