!colspan = "2" style="background: darkcyan; color: white; align = center"|Surface
!colspan = "2" style="background: darkcyan; color: white; align = center"|Surface
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|Berm height (mm)||This is the height of the curb which constrains the overland sheet flow of water. Where curb cuts or other outlet exists at the lowest point of the pavement, the suggested value is 0.
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|width = 210px|Berm height (mm)||This is the height of the curb which constrains the overland sheet flow of water. Where curb cuts or other outlet exists at the lowest point of the pavement, the suggested value is 0.
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|Surface roughness (Manning’s n)||Lower numbers indicate less surface obstruction and result in faster flow.
|Surface roughness (Manning’s n)||Lower numbers indicate less surface obstruction and result in faster flow.