A-18.1, r. 7 - Regulation respecting standards of forest management for forests in the domain of the State

Full text
29. Every person installing a culvert with a bottom in a fish habitat shall ensure that the slope of the bed of the fish habitat is less than 1% if the length of the bridging does not exceed 25 m and is less than 0.5% if the length exceeds 25 m.
Where the slope of the watercourse is in excess of the slope referred to in the first paragraph, mitigation measures such as the installation of culverts with a diameter greater than the diameter calculated using Schedules 3, 4 and 5, the construction of a bridge, the installation of an arch culvert or the placement of deflectors inside the culverts shall be used to ensure the free passage of fish.
This section does not apply to a person who installs a culvert in accordance with the second paragraph of section 26.
O.C. 498-96, s. 29.