Changes

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|width = 210px|Berm height (mm)

|width = 210px|Berm height (mm)

|Ponding depth or 'bowl depth", maximum (e.g. 300 mm)

|Ponding depth, maximum (e.g. 300 mm), sometimes referred to as 'bowl depth'

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|Surface roughness (Manning’s n)

|Surface roughness (Manning’s n)