The Ontario Building Code | Elevator Emergency Return
184.108.40.206. Elevator Emergency Return
(1) Except as permitted by Sentence (3), in a buildinghaving elevators that serve storeys above the first storey and that are equipped with an automatic emergency recall feature, smoke detectors shall be installed in the elevator lobbies on the recall level so that when these smoke detectors are actuated, the elevators will automatically return directly to an alternate floor level.
(3) The alternate floor recall feature required by Sentence (1) is not required if the floor area containing the recall level is sprinklered.