2.0

Calculating Culvert Size and Shape
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Loading an Existing Culvert File
The Culvert Design dialog box has a Load button that you can click if you want
to load an existing file into the dialog box.
To load an existing file into the dialog box
1 In the Culvert Design dialog box, click Load to display a standard file dialog
box.
NOTE
If you have changed the data in the dialog box, the Save Culvert Data
dialog box is displayed, asking if you want to save the current data before
loading another file. Click either Yes or No.
2 Select the file you want to load and click Open.
Saving the Data to a File
The Culvert Design dialog box has a Save button that you can click if you want
to save culvert data from this dialog box.
To save culvert data from the culvert design dialog box
1 In the Culvert Design dialog box, click Save to display the Select Save Type
dialog box.
2 Choose the type of data you want to save by clicking Performance Curve or
Culvert Data to display a standard file save dialog box.
3 In the Save in list, select the folder in which you want to save the file.
4 In the File name box, type a name for the file and click Save.
NOTE
Culvert data files end with a .CLT extension. Performance Curve data files
end with a .RTC extension. Autodesk Civil Design includes the correct
extension by default.
5 Click OK to exit the Culvert Design dialog box.
Specifying the Tailwater Depth
The Culvert Design dialog box has a Select button next to the Tailwater box that
you can click if you want to specify the tailwater using the Advanced Channel
Calculator dialog box or on a rating curve file that you saved when you
previously used a channel calculator.