4.6.5. In any building not provided with an automatic fire alarm or an extinguishing system, a manual fire alarm system shall be provided:(a) where the occupant load exceeds 100 persons; or
(b) where more than 25 persons are employed below or above the first storey.
This requirement does not apply to one-storey buildings where the entire area is not subdivided and where all parts are visible by the occupants.
R.R.Q., 1981, c. S-2.1, r. 9, s. 4.6.5.