The Ontario Building Code | Floor Drains
3.7.4.13. floor Drains
(1) A floor drain shall be installed in a washroom for public use that contains a urinal or a water closet equipped with an automatic flushing device.
In Plain Language
A floor drain must be installed in a public washroom containing a urinal or an automatic-flush water closet, managing incidental water and reducing the chance of standing water or overflow damage.
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.