The Ontario Building Code | Loads Due to Use of Floors and Roofs
184.108.40.206. Loads Due to Use of floors and Roofs
(1) Except as provided in Sentence (2), the specified live loadon an area of floor or roof depends on the intended use and occupancy, and shall not be less than whichever of the following loads produces the most critical effect:
(a) the uniformly distributed load patterns listed in Article 220.127.116.11.,
(b) the loads due to the intended use andoccupancy, or
(c) the concentrated loads listed in Article 18.104.22.168.
(2) For buildings in the Low Importance Category as described in Table 22.214.171.124.B., a factor of 0.8 may be applied to the live load.