The Ontario Building Code | Material Standards
9.14.3.1. Material Standards
(1) Drain tile and drain pipe for foundation drainage shall conform to,
(a) ASTM C4, "Clay Drain tile and Perforated Clay Drain tile",
(b) ASTM C412M, "Concrete Drain tile (Metric)",
(c) ASTM C444M, "Perforated Concrete pipe (Metric)",
(d) ASTM C700, "Vitrified Clay pipe, Extra Strength, Standard Strength and Perforated",
(e) CAN/cgsb-34.22, "Asbestos-cement Drain pipe",
(f) CAN/CSA-B182.1, "Plastic Drain and Sewer pipe and pipe Fittings",
(g) CAN/CSA-G401, "Corrugated Steel pipe Products", or
(h) BNQ 3624-115, "Polyethylene (PE) pipe Fittings – Flexible pipes for drainage – Characteristics and Test Methods".
In Plain Language
Materials used for foundation drainage, such as drainage pipe, must conform to the standards referenced 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.