Cast Iron Frames, Covers, Drainage and Vent Pipe and Fittings
(1) Drainage piping, vent piping and fittings made of cast iron shall be certified to CAN/CSA-B70, “Cast Iron Soil Pipe, Fittings and Means of Joining”.
(2) Cast iron soil pipe and fittings shall not be used in a water system.
(3) Cast iron frames and covers for maintenance holes and catch basins shall conform to CAN/CSA-B70.1, “Frames and Covers for Maintenance Holes and Catchbasins”.
Article 7.2.6.1 Ontario Regulation 332/12 Building Code, O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021.