Intent 1:
To limit the probability that:
- the loads for which stairs and ramps are designed will
not take into account probable accumulations of people and objects
on the floor or roof surface in the context of use and occupancy,
and
- the live load on stairs and ramps will be less than
the accepted minimum value in the context of use and occupancy.
This is to limit the probability of
structural failure, which could lead to harm to persons.