The Ontario Building Code | Floor Drains
9.31.4.4. floor Drains
(1) A floor drain shall be installed in a basementforming part of a dwelling unit.
9.31.5. Reserved
9.31.6. service Water Heating Facilities
In Plain Language
Floor drains are required under the conditions set out in this article, typically in areas prone to water spillage or overflow.
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.