One thing you might want to exclude is blocking. This is one of our standard exclusions especially on wood frame buildings. Also if you are going to have to run EMT in the walls allow a lot of time. It is an art form of its own and it can take for ever if you aren't used to it. On jobs like these the GC will like to throw things out there like "its a design/build" or "You should have known you would need that" and my personal favorite "Do what ever you normally do" These are all traps to try and make up for lousy engineering at your expense.
