The Ontario Building Code | General Requirements
18.104.22.168. General Requirements
(1) Except as provided in Sentence (2) and Sentence 22.214.171.124.(2), a Type B dispersal bed shall conform to the requirements of Article 126.96.36.199.
(2) AType B dispersal bed shall not be located in an area that has an average slope that exceeds one unit vertically to seven units horizontally.