In Plain Language

Water velocity within distribution piping must stay within limits set by this article, since flow that's too fast can cause noise, erosion inside the pipe, and water hammer.

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.