Can a DGN file containing drainage data from OpenRoads Designer / SUDA be opened in the standalone version of an OpenFlows product?
A .DGN file can be opened from the File menu. Go to File > Open and choose the *.DGN file from the "files of type" drop down list. If the *DGN option isn't there browse to where the DGN file is located and in the "File Name" dialog box type in * followed by hitting the enter key. This will reveal the .DGN file.
If the DGN contains a storm/sewer hydraulic model, you will be asked to choose the "model" within the DGN, then the hydraulic model data will appear.
Understanding OpenFlows - Hydraulics and Hydrology Functionality in Drainage & Utilities / OpenRoads