Section 9.5. Design of Areas and Spaces (Division B

1) Unless otherwise indicated herein, dimensions of rooms or spaces shall be measured between finished wall surfaces and between finished floor and ceiling surfaces.

9.5.1.2. Combination Rooms

1) Two or more areas may be considered as a combination room if the opening between the areas occupies the larger of 3 m² or 40% or more of the area of the wall measured on the side of the dependent area.

2) Where the dependent area is a bedroom, direct passage shall be provided between the two areas.

9.5.2. Access for Persons with Disabilities

9.5.2.1. General

9.5.2.2. Protection on Accessible Floor Areas

9.5.2. Barrier-Free Design

9.5.2.1. General

1) Except as provided in Articles 9.5.2.3. and 3.8.1.1., every building shall be designed in conformance with Section 3.8.

9.5.2.2. Protection on Floor Areas with a Barrier-Free Path of Travel

1) Where a barrier-free path of travel required in Article 9.5.2.1.is provided to any storey above the first storey, the requirements in Article 3.3.1.7. shall apply.

9.5.2.3. Exception for Apartment Buildings

1) Except as provided in Sentence (2), if the building is not equipped with an elevator, the barrier-free path of travel described in Section 3.8. need only be provided on the entrance level of an apartment building.

2) The barrier-free path of travel on the entrance level described in Sentence (1) need not be provided where the difference in floor elevation between the entrance level and every dwelling unit exceeds 600 mm.

9.5.3. Ceiling Heights

9.5.3.1. Ceiling Heights of Rooms or Spaces

2) Areas in rooms or spaces over which ceiling height is not less than the minimum specified in Table 9.5.3.1. shall be contiguous with the entry or entries to those rooms or spaces.

Room or Space	Minimum Ceiling Height, m	Minimum Clear Height, m	Minimum Area Over Which Minimum Ceiling Height Shall Be Provided⁽¹⁾
Table 9.5.3.1. Room Ceiling Heights Forming Part of Sentences 9.5.3.1.(1) and (2)
Living room or space	2.1		Lesser of area of the space or 10.0 m²
Dining room or space	2.1		Lesser of area of the space or 5.2 m²
Kitchen or kitchen space	2.1		Lesser of area of the space or 3.2 m²
Master bedroom or bedroom space	2.1		Lesser of area of the space or 4.9 m²
Other bedroom or sleeping space	2.1		Lesser of area of the space or 3.5 m²
Unfinished basement including laundry area therein		2.0	Clear height under beams and in any location that would normally be used for passage
Bathroom, water-closet room or laundry area above grade	2.1		Lesser of area of the space or 2.2 m²
Passage, hall or main entrance vestibule	2.1		Area of the space
Habitable rooms and spaces not specifically mentioned above	2.1		Lesser of area of the space or 2.2 m²

9.5.3.2. Mezzanines

9.5.3.3. Storage Garages

9.5.4. Hallways

9.5.4.1. Hallway Width

1) The unobstructed width of a hallway within a dwelling unit shall be not less than 860 mm, except that the hallway width is permitted to be 710 mm where

a)there are only bedrooms and bathrooms at the end of the hallway furthest from the living area, and

Division B
Acceptable Solutions

Part 9 — Housing and Small Buildings