The Ontario Building Code | Application
8.5.1.2. application
(1) A Class 3 sewage system shall not be constructed where the daily design sanitary sewage flow to the system exceeds 1 000 L/day.
(2) A Class 3 sewage system shall be designed to receive only the contents of a Class 1 sewage system or effluent from a Class 1 sewage system for disposal.
8.5.2. design and Construction Requirements
In Plain Language
This article sets out the conditions under which this Section's requirements apply, clarifying when this sewage system approach is permitted.
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.