Regarding demolition, you asked, "Is it a room a day on average?"
That's a reasonable expectation. It actually should be more. Daily productivity is a function of the number bodies on the jobsite times the productivity of each of those bodies. The more bodies the better, up to a point. We had a 3-man crew on Monday. A 6-man crew is better...and I aim to please. Come Tuesday morning:
And this is how that went: