The Ontario Building Code | Types of Fire Alarm Systems
22.214.171.124. Types of Fire Alarm Systems
(1) A fire alarm system shall be,
(a) a single stage system in a Group F, Division 1 occupancy,
(b) a two stage system in a Group B occupancy other than those described in Clause (c),
(c) a single or two stage system in abuilding 3 storeys or less in building height that contains a Group B, Division 3 occupancy,
(d) a single stage system in elementary and secondary schools, except for a special needs facility, and
(e) a single or two stage system in all other cases.