Querying Conduits
To modify a conduit that is inserted on the drawing, go to
Ribbon: 
Query Device
Pulldown Menu:
Select a conduit centerline on the drawing. The information in the database regarding the selected conduit will be displayed in the Edit Conduit dialog box.
Edit Conduit Dialog Box​
Changes can be made to the conduit in the same way as when it was inserted. See the Insert Conduit section for more information.