Different Renovation filters for each portion of an element?

[Durval]

I'm trying the Renovation features for the first time and wondering how to figure out what would be the best way to used them.
If an element, e.g., a slab, will be partially demolished in one side and will have a portion added in another side, how should I classify it? Without the filters, I would simply create a single slab corresponding to the planned status. But for taking Renovation Filters into consideration, I have to dismember this element into three: one part will be classified as 'existing', another 'to be demolished' and the third as 'new'. This ends up adding several steps to the workflow, as well as complicate the 2D representation - lines would appear on the seams of the different parts that should not appear on the plan. I know I can turn off the layer of these slabs and create the contours I want to show with lines, but all this work seems averse to the concept of BIM.
Is there a better approach in this situation?

[Durval]

What about a wall that is not modified in plan, but has its height changed? Should we create two walls one on top of the other? This is starting to become messy...

[David Maudlin]

Durval:

This is the approach I have been using, and it is more streamlined than before the Renovation Filters (RF) were added. Before RF, I would split the slab to have the existing and demo parts, move the demo part to another layer, change its line type, then add a another slab for the new part with different layer and cut fill assignments. The RF eliminates the layer assignments (existing, demo, new) and the override styles eliminates many of the slab property changes. I would also use two walls in your example (existing and new) so the sections show correctly, again this streamlines the old method and eliminates layers. If you don't need to show the difference between existing, demo and new construction, then you can ignore the RF, but then this would have meant you were ignoring this before RF.

David