The Ontario Building Code | Application
7.1.2.1. application
(1) Except as provided in Sentence (2), this Part applies to the design and construction of plumbing.
(2) This Part does not apply to industrial process systems unless the industrial process system is interconnected with the plumbing system, in which case the interconnection shall be so designed and installed so that the plumbing system is protected against contamination or malfunction that may be caused by the industrial system.
7.1.3. Definitions
In Plain Language
Except in a specific case, Part 7 applies to the design and construction of plumbing, though it doesn't apply to industrial process systems unless that system is interconnected with the building's regular plumbing.
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.