2.0

Table Of Contents
Customizing the Pipe and Coefficient Tables
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Customizing the Roughness Coefficient Tables
Use the Select Coefficient Table dialog box to enter pipe materials and their
associated roughness coefficient. This is used in the Pipes Run Editor for
calculations.
To customize the roughness coefficient tables
1 From the Pipes menu, choose Settings ä Edit to display the Pipes Settings Editor
dialog box.
2 In the Node and Pipe Data Values section, click the Material/Coeff. Button to
display the Select Coefficient Table dialog box.
Each of the three buttons in this dialog box open the Mannings n, Hazen-
Williams Coefficient, and Darcy-Weisbach Friction Factor dialog boxes.
3 Click one of the following buttons to view specific information about changing
each of the settings:
n
Mannings n Formula
n
Hazen-Williams Coefficient
n
Darcy-Weisbach Friction Factor
For more information about any of these dialog boxes, see Using the
Mannings n Formula, Using the Hazen-Williams Formula, and Using the
Darcy-Weisbach Formula in this chapter.