To exempt half of the required means of egress from a mezzanine from the requirements of Sentence 3.4.2.2.(1), which would otherwise require exits on the same basis as required for floor areas and not permit that half of the means of egress lead through the room in which the mezzanine is located, if certain conditions are met.
This is to limit the probability of delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.