The Ontario Building Code | Pipes
7.7.3.1. pipes
(1) Non-potable water piping shall not be located,
(a) where food is prepared in a food processing plant,
(b) above food-handling equipment,
(c) above a non-pressurized potable water tank, or
(d) above a cover of a pressurized potable water tank.
In Plain Language
Pipes carrying non-potable water must meet the identification and installation requirements in this article, keeping them visually distinct from potable water piping.
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.