PART 7 — PLUMBINGUpdated for the 2024 Ontario Building Code
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7.4.7.4.Location of Cleanouts
(1) Cleanouts and access covers shall be located so that their openings are readily accessible for drain cleaning
purposes.
(2) A cleanout shall not be
(a) located in a floor assembly in a manner that may constitute a hazard, and
(b) used as a floor drain.
(3) Reserved.
(4) Each change of direction of the piping between a cleanout fitting and the drainage piping or vent piping that it serves
shall be accomplished by using 45 bends.
(4.1) A cleanout shall be provided to serve vertical drainage piping from a wall hung urinal and shall extend above the
flood level rim of the fixture.
(5) Cleanouts serving fixture drains in healthcare facilities, mortuaries, laboratories and similar occupancies, where
contamination by hazardous waste is likely, shall be located a minimum of 150 mm above the flood level rim of the
fixture.
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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.