Div. B › Part 3 › 3.2 › 3.2.4 — Fire Alarm and Detection Systems

3.2.4.11 — Fire Detectors

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(1) Fire detectors required by this Article shall be connected to the fire alarm system.

(2) Except as provided in Article 3.2.4.16., if a fire alarm system is required, fire detectors shall be installed in each,

(a) storage room not within a dwelling unit,

(b) service room not within a dwelling unit,

(d) room in which hazardous substances are to be used or stored,

(e) elevator or dumbwaiter shaft,

(f) laundry room in a building of residential occupancy, but not one within a dwelling unit, and

(g) hazardous classroom and change room in an elementary or secondary school.

OBC Definitions

Defined terms on this page

dwelling unit

means a suite operated as a housekeeping unit, used or intended to be used by one or more persons and usually containing cooking, eating, living, sleeping and sanitary facilities.

fire detector

means a device that detects a fire condition and automatically initiates an electrical signal to actuate an alert signal or alarm signal and includes heat detectors and smoke detectors.

hazardous classroom

means a classroom, (a)that is supplied with flammable gas, (b)that contains hazardous substances such as chemicals or explosive dusts, (c)that contains large quantities of combustible materials, or (d)where cooking equipment is used.

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.

service room

means a room provided in a building to contain equipment associated with building services.

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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