The Ontario Building Code | Tests of Potable Water Systems
7.3.7.2. Tests of Potable water Systems
(1) Every potable water system shall be capable of,
(a) withstanding without leakage a water pressure that is at least 1 000 kPa for at least 1 h, or
(b) withstanding for at least 2 h without a drop in pressure an air pressure that is at least 700 kPa.
In Plain Language
Every potable water system must be able to withstand testing without leaking or being damaged, and must meet the other performance requirements this article sets out for these systems.
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.