PART 7 — PLUMBINGUpdated for the 2024 Ontario Building Code
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7.6.3.1.Design, Fabrication and Installation (See Note A-7.6.3.1.)
(1) Water distribution systems shall be designed to provide peak demand flow when the flow pressures at the supply
openings conform to the plumbing supply fitting manufacturer’s specifications.
(2) Potable water systems shall be designed, fabricated and installed in accordance with good engineering practice, such
as that described in the ASHRAE Handbooks and ASPE Plumbing Engineering Design Handbooks.
(3) Reserved.
(4) Pipes that supply a fixture shall have a capacity that will produce a flow in the fixture that will flush the fixture and
keep it in a sanitary condition.
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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.