(1)
Except as permitted by Sentence (2), horizontal exits shall not comprise more than one-half of the required number of exits from any floor area.
(2)
In a hospital or long-term care home, horizontal exits serving patients’ or residents’ sleeping rooms shall comprise not more than two-thirds of the required number of exits from any floor area. (See Note A-3.4.1.6.(2))
(3)
Where an elementary or secondary school is subdivided by a firewall, a horizontal exit shall not serve as an exit but is permitted to serve as an access to exit.