Manning’s n-values
A list of Manning's n-values
Useful Tables
Manning's n-values, Runoff Coefficients, Pipe Sizes & more
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Runoff Coefficients (C)
Table of Rational method runoff coefficients (C) -
Programmed Pipe Sizes
Pipe sizes used in Stormwater Studio when it designs -
Standard Elliptical Pipe Dimensions
Elliptical pipes and their round equivalents -
Standard Arch Pipe Dimensions
Arch pipe dimensions and their circular equivalents