SmartDraft HEC-RAS Tools

SmartDraft HEC-RAS Tools

Win64, English

SmartDraft, Inc.
SmartDraft HEC-RAS Tools are an excellent set of tools to exchange data between Autodesk® AutoCAD® Civil 3D® and HEC-RAS.

General Usage Instructions

Use with Civil 3D to transfer design information between Civil 3D and HEC-RAS



Ribbon/Toolbar Icon Command Command Description


Create HEC-RAS Cross Sections for each section in the HEC-RAS Project, from a HEC-RAS Output FIle (sdf).


Create Section Lines and labels on HEC-RAS cross section lines in the plan view of the drawing from a HEC-RAS Output File (sdf).


Create a HEC-RAS Water Surface Profile in the CADD Project, from a HEC-RAS Output File (sdf).


Add new cross sections to a HEC-RAS Project using Sample Lines / Polylines, an alignment, a surface, and an existing HEC-RAS project.


Create Sample Lines or Polyline Section Lines at specified stations along an alignment. The cross sections are created at each station specified in a text file and / or stations entered by the operator.


Add new river / reach to a HEC-RAS Project using Sample Lines / Polylines, an alignment, a surface, and an existing HEC-RAS project.


Create a HEC-RAS project files or geometry file from Sample Lines or Polylines, an alignment, and a surface.


Create floodplain limits utilizing the results of the HEC-RAS Floodplain analysis from a HEC-RAS Output File (sdf).


The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin.

You may need to restart the Autodesk product to activate the app/plug-in.

To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features and uninstall as you would any other application from your system.

Additional Information

We have placed a sample HEC-RAS project file and Civil 3D drawing with an alignment, surface, and section line in the "\Contents\Sample Files\HEC-RAS Tools" folder in the bundle installation folder.

NOTE: If you previously installed the trail version of this software, then you must uninstall it for this version to work properly.

Known Issues


Company Name: SmartDraft, Inc.
Company URL:
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Author/Company Information

SmartDraft, Inc.

Support Information

Email for support. Please include product type information.

Version History

Version Number Version Description


Version 20.0.0 released - 3/20/2020. * Added support for Autodesk® Civil 3D® 2021.


Version 19.0.0 released - 4/11/2019. * Added support for Autodesk® Civil 3D® 2020.


Version 18.0.0 released - 3/6/2018 * Added support for Autodesk® AutoCAD® Civil 3D® 2019. * Fixed an issue with the Create HEC-RAS Data and Add Sections to a HEC-RAS Project commands. If a Sample Line group was selected as the Section Lines options, the command would incorrectly create section going back onto themselves.
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