Div. B › Part 9 › 9.10 › 9.10.9 — Fire Separations Between Rooms and Spaces Within Buildings

9.10.9.12 — Residential Suites, Live/Work Units and Industrial Buildings

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(1) Except as provided in Sentence (2), not more than 1 suite of residential occupancy shall be contained within a building classified as a Group F, Division 2 major occupancy.

(2) Except where a Group F Division 2 major occupancy is directly related to live/work units, not more than one suite of residential occupancy shall be contained within a building classified as Group F, Division 2 major occupancy.

OBC Definitions

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live/work unit

means a dwelling unit having an area of not more than 200 m2 that contains a subsidiary business and personal services occupancy or a subsidiary low hazard industrial occupancy, and which is used and operated by one or more persons of a single household.

major occupancy

means the principal occupancy for which a building or part of a building is used or intended to be used, and is deemed to include the subsidiary occupancies that are an integral part of the principal occupancy. The major occupancy classifications used in this Code are as follows: (a)Group A, Division 1 - Assembly occupancies intended for the production and viewing of the performing arts, (b)Group A, Division 2 - Assembly occupancies not elsewhere classified in Group A, (c)Group A, Division 3 - Assembly occupancies of the arena type, (d)Group A, Division 4 - Assembly occupancies in which occupants are gathered in the open air, (e)Group B, Division 1 - Detention occupancies, (f)Group B, Division 2 - Care and treatment occupancies, (g)Group B, Division 3 - Care occupancies, (h)Group C - Residential occupancies, (i)Group D - Business and personal services occupancies, (j)Group E - Mercantile occupancies, (k)Group F, Division 1 - High hazard industrial occupancies, (l)Group F, Division 2 - Medium hazard industrial occupancies, and (m)Group F, Division 3 - Low hazard industrial occupancies.

occupancy

means the use or intended use of a building or part of a building for the shelter or support of persons, animals or property.

residential occupancy

means an occupancy in which sleeping accommodation is provided to residents who are not harboured for the purpose of receiving special care or treatment and are not involuntarily detained and includes an occupancy in which sleeping accommodation is provided to residents of a retirement home.

suite

means a single room or series of rooms of complementary use, operated under a single tenancy, and includes, (a)dwelling units, (b)individual guest rooms in motels, hotels, boarding houses, rooming houses and dormitories, and (c)individual stores and individual or complementary rooms for business and personal services occupancies.

building

(a) a structure occupying an area greater than ten square metres consisting of a wall, roof and floor or any of them or a structural system serving the function thereof including all plumbing, works, fixtures and service systems appurtenant thereto,
(b) a structure occupying an area of ten square metres or less that contains plumbing, including the plumbing appurtenant thereto,
(c) plumbing not located in a structure,
(c.1) a sewage system, or
(d) structures designated in the building code; Act

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