The Ontario Building Code | Location of Cleanouts
7.4.7.4. Location of Cleanouts
(1) Cleanouts and access covers shall be located so that the openings="http://thehandyforce.com/windows/" title ="Window installer in Toronto">openings are readily accessible for drain cleaning purposes.
(2) A cleanout shall not be located in a floor assembly in a manner that may constitute a hazard and shall not be 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.
(5) 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.
(6) A cleanout serving a fixture in health care facilities, mortuaries, laboratories and similar occupancies, where contamination by body fluids is likely, shall be located a minimum of 150 mm above the flood level rim of the fixture.
7.4.8. Minimum Slope and Length of drainage Pipes
In Plain Language
Cleanouts and access covers must be located where the openings can actually be reached and used, since a cleanout buried or blocked by other construction defeats its purpose.
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.