The Ontario Building Code | More Than One Occupancy
4.1.5.7. More Than One Occupancy
(1) Where an area of floor or roof is intended for 2 or more occupancies at different times, the value to be used from Table 4.1.5.3. shall be the greatest value for any of the occupanciesconcerned.
In Plain Language
Where a floor or roof area is used for two or more different occupancies at different times, the design must use whichever live load value from the Code's table is highest among those occupancies.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.