The Ontario Building Code | Class 5 Sewage Systems
8.9.2.5. Class 5 Sewage Systems
(1) Every Class 5 sewage system shall be operated in accordance with the agreement referred to in Sentence 8.8.1.2.(2).
(2) No Class 5 sewage system shall be operated once it is filled with sanitary sewageuntil such time as the sanitary sewage is removed from the sewage system.
8.9.3. Maintenance
In Plain Language
Class 5 sewage systems, another advanced treatment type, have their own maintenance requirements set out in this article.
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.