Polyethylene Pipe Used Underground
(1) Polyethylene pipe used underground in a drainage system for rehabilitation of existing systems using trenchless technology shall conform to ASTM F714, “Polyethylene (PE) Plastic Pipe (DR-PR) Based on Outside Diameter” and shall be HDPE 3408, SDR 17 or heavier.
Article 7.2.5.6 Ontario Regulation 332/12 Building Code, O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021.