For the (re)design of an airport I'm looking for a way to calculate the FTE's and transients for the passenger terminal. The building has low rates of FTE and high rates of transients (visitors). The number of FTE and transients will vary over the day (peak between 12 and 13 o'clock), the week (peak at the weekend) and the year (most visitors are tourists). The terminal is designed for handling peak hours for visitors (and even peaks at specific parts of the terminal). How can I calculate the FTE and transients for PIf3?