The Ontario Building Code | Withstanding Pressure
7.2.1.5. Withstanding pressure
(1) Piping, fittings and joints used in pressure sewer, forcemain or sump pump discharge applications shall be capable of withstanding at least one and one-half times the maximum potential pressure.
7.2.2. Fixtures
In Plain Language
Piping, fittings, and joints used in pressure sewer, forcemain, or sump pump discharge applications must be capable of withstanding pressures well above their normal operating pressure, providing a safety margin against surges.
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.