The Arkance Systems Node Library contains a node to read Civil 3D tables, but it is not possible to change the table or to update networks through the table.
You could try to update the network objects with the Excel data, which will result in an updated table.
Now it’s up to you to figure out how to import the stuff to your new file based on the info. I don’t know how to deal with it because I’m not familiar with what info you need to create a Pressure Pipe Network.
PressurePipeNetwork.xlsx (19.9 KB)
All the parameters in this table are used to generate the pressure pipe network. I just don’t know how to import these parameters back to CIVIL3D and let it generate the pressure pipe network model. Export from Pressure Pipe Network to Excel_v4.dyn (108.1 KB)
I don’t have possibility to spend to much time on this, way to much at work, but here is what I can do for you, then you actually need to try by your self. If you set up the graph as below the graph will create the pressure network