The Ontario Building Code | Location of Smoke Alarms

9.10.19.3. Location of Smoke Alarms

(1) Withindwelling units, sufficient smoke alarms shall be installed so that,

(a) there is at least one smoke alarm installed on each storey, including basements, and

(b) on any storeyof a dwelling unit containing sleeping rooms, a smoke alarm is installed,

(i) in each sleeping room, and

(ii) in a location between the sleeping rooms and the remainder of the storey, and if the sleeping rooms are served by a hallway, the smoke alarm shall be located in the hallway.

(2) Asmoke alarm required in Sentence (1) shall be installed in conformance with CAN/ulc-S553, "installation of Smoke Alarms".

Note: On July 1, 2017, Sentences 9.10.19.3.(2) of Division B of the Regulation is revoked and the following substituted: (See: O. Reg. 139/17, s. 115)

(2) Within a house that contains an interior shared means of egress or common area, a smoke alarm shall be installed in each shared means of egress and common area.

(3) A smoke alarm required in Sentence (1) shall have a visual signalling component conforming to the requirements in 18.5.3. (light, Color and Pulse Characteristics) of nfpa 72, "National Fire Alarm and Signaling Code".

Note: On July 1, 2017, Sentences 9.10.19.3.(3) of Division B of the Regulation is revoked and the following substituted: (See: O. Reg. 139/17, s. 115)

(3) A smoke alarm required in Sentences (1) and (2) shall be installed in conformance with CAN/ulc-S553, "installation of Smoke Alarms".

(4) The visual signalling component required in Sentence (3) need not,

(a) be integrated with the smoke alarm provided it is interconnected to it,

(b) be on battery backup, or

(c) have synchronized flash rates, when installed in a dwelling unit.

Note: On July 1, 2017, Sentences 9.10.19.3.(4) of Division B of the Regulation is revoked and the following substituted: (See: O. Reg. 139/17, s. 115)

(4) A smoke alarm required in Sentences (1) and (2) shall have a visual signalling component conforming to the requirements in 18.5.3. (light, Color and Pulse Characteristics) of nfpa 72, "National Fire Alarm and Signaling Code".

(5) The luminous intensity for visual signalling components required in Sentence (3) that are installed in sleeping rooms shall be a minimum of 175 cd.

Note: On July 1, 2017, Sentences 9.10.19.3.(5) of Division B of the Regulation is revoked and the following substituted: (See: O. Reg. 139/17, s. 115)

(5) The visual signalling component required in Sentence (4) need not,

(a) be integrated with the smoke alarm provided it is interconnected to it,

(b) be on battery backup, or

(c) have synchronized flash rates, when installed in a house or an individual dwelling unit.

(6) Smoke alarms required in Sentence (1) shall be installed on or near the ceiling.

Note: On July 1, 2017, Sentences 9.10.19.3.(6) of Division B of the Regulation is revoked and the following substituted: (See: O. Reg. 139/17, s. 115)

(6) The luminous intensity for visual signalling components required in Sentence (4) that are installed in sleeping rooms shall be a minimum of 175 cd.

(7) Smoke alarms required in Sentences (1) and (2) shall be installed on or near the ceiling.