To limit the probability that the braced wall panels will not be adequately clad, sheathed or finished, which could lead to an inability to develop the necessary load-resisting diaphragm action, which could lead to an inability to resist expected lateral loads, which could lead to excessive racking.
For floors and constructions supporting floors, this is to limit the probability of:
This is to limit the probability of excessive movement, vibration or deflection of floors, which could lead to negative effects on the psychological well-being of persons.