7.4.10.8.Hydraulic Loads on Sanitary Building Drains or Sewers

(1) Except as permitted by Article 7.4.10.7., the hydraulic load that is drained to a sanitary building drain or a sanitary
     building sewer shall conform to Table 7.4.10.6.-C.

     (2) Horizontal sanitary drainage pipe shall be designed to carry no more than 65% of its full capacity.

This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.

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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.