How to handle project phasing?

We’ve got a project that is being built in 3 different phases. Typically I’d only run renders on my final phase but in this case we need to have renders done of each phase.

I’ve set up my project to use the three phases inside revit but I can’t think of an elegant way to actually set up my D5 project to look at the phases. If I make three different views set to the three different phases and load D5 from a view set to Phase 1 but then sync the model based on my Phase 2 view, D5 will read that phase 2 view sync as me completely redoing the whole model, which will reset all material/lighting changes done within D5 for the entire model.

Also things like lights sync are different between phases - if I sync lights with the Phase 1 view open its not the same lights for Phase 2. I can’t figure out a way to get it so phase 2 lights don’t show up in phase 1.

I thought about just making three completely different D5 projects but this not only would be a lot to manage on the fly as I actively work between phases with the project open, but it would also mean I need to redo all my D5-specific work for each project, including specific view settings/positions and tweaks to materials. Surely there is a better way?