The Ontario Building Code | General Ventilation
6.2.13.2. General ventilation
(1) A laboratory shall be provided with continuous mechanical ventilation designed to ensure that flammable vapours,
(a) do not accumulate in the laboratory,
(b) are prevented from migrating to other parts of the building,
(c) do not accumulate in the ventilation system,
(d) are exhausted to the outdoorref ="http://thehandyforce.com/doors/" title ="Toronto Door installer">doors, and
(e) are not returned to the building.
(2) A ventilation system required in this Subsection shall be provided with monitoring devices that,
(a) indicate that the ventilation system is in operation, and
(b) sound an alarm if the ventilation system is malfunctioning.
In Plain Language
A laboratory covered by this Subsection must be provided with continuous mechanical ventilation designed to ensure flammable vapours don't accumulate and are safely removed from the space.
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.