The Ontario Building Code | Sprinklers
(1) In a building containing an interconnected floor space, storeysthat are wholly or partially within an interconnected floor space and all storeys below an interconnected floor spaceshall be sprinklered.
(2) In a building containing an interconnected floor space,
(a) waterflow alarm signals from sprinkler systems shall be transmitted to the fire department in conformance with Sentence 18.104.22.168.(4), and
(b) sprinkler systems shall be electrically supervised as required by Sentence 22.214.171.124.(3).