it would be more accurate to calculate the structure Height if when a pipe is connected to a structure that the bottom base slab was adjusted to be below the wall of the pipe. this would also make the 3D model look better.

Many times a calculated Time of Concentration is less than the minimum used for Intensity. When this occurs in a system of drainage areas (catchments), it helps a designer AND a reviewer to see what the actual Time of Concentration is at a given p...

Our partner Dataforensics has a project with an OpenGround user, HDR where they need to plot borehole data and CPT data in OpenRoads. Seems like they were able to do this in Civil3D but are now using ORD and want to do the same as the attached