The Ontario Building Code | Vitrified Clay Pipe and Fittings

7.2.5.4. Vitrified Clay pipe and Fittings

(1) Vitrified clay pipe and fittings shall be certified to CSA A60.1-M, "Vitrified Clay pipe".

(2) Couplings and joints for vitrified clay pipe shall be certified to CSA A60.3-M, "Vitrified Clay pipe Joints".

(3) Vitrified clay pipe and fittings shall not be used except for an underground part of a drainage system.