Importing and Exporting Pipe Networks from Civil 3D 2019 and Autodesk Storm and Sanitary Analysis - IMAGINiT Civil Solutions Blog

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Steve s Kamash

Importing and Exporting Pipe Networks IS PART OF Civil 3D 2019 OR

[email protected]

Kevin Breslin

Steve, Autodesk's Storm and Sanitary Analysis (SSA) software is included with Civil 3D and can be launched from within Civil 3D itself.


Here is my simple question:
Importing the .stm file into C3D, will you be able to display the design flow in your C3D long-section?


Can you display the design flow in your C3D long-section after you import the .stm file?

Randy McCollum

I assume by long-section you are referring to the profile view. In which case, yes and no. The energy and hydraulic grade lines for your design storm event are imported with the STM file in Civil 3D and can be displayed on the profile view. SSA will calculate the design flow, but design flow does not have a placeholder in Civil 3D and you would have to type that value into the drawing.

Robert George

Hi Randy/Kevin

Great tutorial. Have you ever tried exporting from C3D to SSA and back again, but with several Part Familys in the Parts list and network that you are working with?

I'm working through this scenario at the moment. While going from C3D to SSA works well, importing the updated diameters back into C3D does not correctly capture the pipe diameters from the SSA model, and infact some pipes alter to a different part family in C3D, when the new pipe is present in the original part family!

I'm not sure if pipe rules would come into play with this?

I note in your screen shot of the part matchup settings, that on the 'importing pipes' circular pipes parameter, you have 'concrete pipe' selected.

In my case, I have 2 types of pipe in the network, e.g. concrete pipe for dia >=400mm, but say PE pipe for dia <400mm in my network.

Would love to hear your experiences with this scenario of handling multiple part families!

Best Regards


Randy McCollum

Because there is no such thing as pipe “material” in SSA, pipes must either be allowed to change to the default pipe type (EG. “Concrete Pipe” as you mentioned) by selecting “Yes” in the Allow Part Family Swapping field. If you set this to “No”, it will not change the pipe material previously was exported from Civil 3D, but it will update the pipe diameter to the closest pipe size of that material.

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