B-1.1, r. 3 - Safety Code
346.1. Despite section 346, a private seniors’ residence must be equipped with a fire alarm and detection system, except
(1) a single-family type residential occupancy for the elderly;
(2) a residential board and care occupancy that lodges no more than 9 persons and whose building consists of a dwelling unit having a building height of no more than 2 storeys.