In Plain Language

A short materials clause: water used in concrete or mortar work under this Section must be clean and free of significant amounts of deleterious (harmful) material.

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.