9.5 ● Residential ≤ 6 Storeys

Buildings that are 6 storeys in building height or less, and contain more than two dwelling units with sleeping accommodations for more than ten persons, in one or more dormitories require a retrofit.

At least two of the dwelling unit must share a common exit and have an interior access to one another and, at least one dwelling unit must be also located above another and share a common exit facility or have interior access to one another and be a residential occupancy.