Some structures imported from an InfoDrainage design into the Civil 3D® design will have extended properties data that can be viewed and edited if applicable.
For example, a catchment imported from InfoDrainage will have various extra properties available in the Extended Data section of the Civil 3D® properties box. The extra properties visible will depend on the runoff method of the catchment area. Read only properties are disabled:
Other structures that have extended properties available include pipe networks and junctions.
