To limit the probability that the performance of steel studs and runners, with respect to material, profile, dimensions and tolerances, cutouts, corrosion protection and screw-holding ability, will fall significantly below expectations, which could lead to an inability to resist expected lateral and gravity loads.
This is to limit the probability of the excessive movement or deformation of walls, which could lead to:
This is to limit the probability of compromised operation of doors or windows required for egress in an emergency, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.