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