PART 7 — PLUMBINGUpdated for the 2024 Ontario Building Code
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7.4.10.1.Total Load on a Pipe
(1) The hydraulic load on a pipe is the total load from
(a) every fixture that is connected to the system upstream of the pipe,
(b) every fixture for which provision is made for future connection upstream of the pipe, and
(c) all roofs and paved surfaces that drain into the system upstream of the pipe.
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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.