Sentence 9.8.6.4.(2)

Intent 1:

To limit the probability of insufficient clear height over landings serving a single dwelling unit or a house with a secondary suite including common spaces.

This is to limit the probability of users accidentally contacting the ceiling with their head, which could lead to:

• persons falling, or
• persons falling in an emergency, which could lead to delays in the evacuation or movement of persons to a safe place.

This is to limit the probability of harm to persons.