Changes

{{Textbox|1=Check dams:

{{Textbox|1=Check dams:

*may be constructed of any resilient and waterproof material, including: rock gabions, earth [[berms]], coarse aggregate or rip-rap, concrete, metal or pre-treated timber. [[Stone]] used in check dams should have minimum median diameter 25 - 75 mm.  

*may be constructed of any resilient and waterproof material, including: rock gabions, earth [[berms]], coarse aggregate or rip-rap, concrete or metal. [[Stone]] used in check dams should have minimum median diameter 25 - 75 mm.  

*for enhanced [[swales]] may be up to 0.6 m in height; the maximum design depth of ponded water should be ≤ 0.6 m.

*for enhanced [[swales]] may be up to 0.6 m in height; the maximum design depth of ponded water should be ≤ 0.6 m.

*designed for higher flow velocities should have spillways incorporated into their profile, to direct water to the centre of the swale.  

*designed for higher flow velocities should have spillways incorporated into their profile, to direct water to the centre of the swale.