Sentence 9.5.5.2.(1)

Intent 1:

To limit the probability of inadequate door widths, which could lead to difficulty in negotiating doorways, which could lead to harm to persons.

Intent 2:

To limit the probability of inadequate door heights, which could lead to accidental collision with door heads, which could lead to harm to persons.

Intent 3:

To limit the probability of inadequate door widths, which could lead to difficulty in negotiating doorways 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.

Intent 4:

To limit the probability of inadequate door heights, which could lead to accidental collision with door heads 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.