There is a very helpful capability in Smart Hangers, an application for Autodesk® Revit®, to calculate Hanger Elevation from Level. That is if you have a Duct/Pipe/etc. inserted in Level 1 with the height of 3000mm, hanger would inherit this parameter and you can easily transfer it to your created parameter automatically. That can be used for very informative tagging.
So this is how I used it in 8 easy steps. I don't know exactly how your organization does the tagging, but this is an example of what you can do: