Sentence 3.3.5.4.(2)

Intent 1:

To limit the probability that the accumulation of ice or snow on stair treads or landings will lead to persons using the stairs tripping or falling, which could lead to harm to persons.

Intent 2:

To limit the probability that the accumulation of ice or snow on stair treads or landings will lead to persons using the stairs in an emergency situation tripping or falling, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.

Intent 3:

To limit the probability that the accumulation of ice or snow on stair treads or landings will delay emergency responders' access to the roof, which could lead to delays in carrying out emergency response operations, which could lead to delays in the evacuation or movement of persons to a safe place, which could lead to harm to persons.