The general guide is that if more than 100 people access the room, a panic exit device will likely be needed, although the BCA does provide for some exemptions.
Yes.
Not necessarily, the requirements are from different parts of the BCA.
9000 series
Yes, the 9500 series is matched to a mortice lock, which can use external 1800 & 2800 series door furniture to match with existing commercial hardware.
5000 series
The 9000 series are far more resistant to abuse, as the touch bar is fully supported across the door.
