Include common support structure types used in the UK
It would be good to add to the OBM library, for example standard abutments types used in the UK that are not integral and need an abutment gallery to align with the CIRIA C543 Bridge detailing guide.
Currently the advanced design file units in the dgnlib are controlling the units displayed in dialogs. This leads to separated Survey Foot vs International Foot vs Metric workspace dgnlibs. They do not adhere to the MicroStation working units like...
