Technical information

Hydrology and Hydraulics | 141
Sample Hydrology Files
If you have AutoCAD Civil 3D Land Desktop Companion 2009 installed ,
sample hydrology files are installed into the following folder:
c:\C:\Documents and Settings\All Users\Application Data\Autodesk\AutoCAD
Civil 3D Land Desktop Companion <Version Number>\<release num-
ber>\data\hd
Use these files to help you learn how to use the Hydrology commands.
The following table lists some of the file names and descriptions. You can add
these files into the appropriate dialog box (for example, add the sample.clt file
into the Culvert Calculator) to see the data.
Sample hydrology files
county.rf Sample rainfall frequency file
example.idf Intensity Duration Frequency file
hec205.dat HEC-2 Cross Sections (not processed by HEC)
orange.idf Intensity Duration Frequency file
post-dev.tab TR-55 Tabular Hydrograph Method file
postdev.hdc Post-Development Hydrograph
predev.hdc Pre-Development Hydrograph
sample.clt Culvert file
sample.gpd Graphical Peak Discharge file (TR-55 Graphical)
sample.rat Rational Method file
sample.sim Storage Indication Method file
sample.tab TR-55 Tabular Hydrograph Method file
stgdis.sdc Stage Discharge Curve
stgstr.ssc Stage Storage Curve