In my opinion, it would only work for models up to a certain size (a few hundred MB with all consultants isn't going to be a huge building), after which I think it could become very difficult. Once you start segregating a model by sector or level, you aren't in "one model" anymore. The other problem is that specialist subcontractors may not be using Revit at all (a post for another day). But the RTC Handout and Powerpoint is definitely worth a look. You will have to login to AUGI to download.
Read more and download at: