I look through the I Beam program (hope is did not miss out anything) and would like to ask few question here.

Q1 : do we need to do 100% survey (I Beam) for project we work on?
Q2 : When we need to start the I Beam Program? During or before performance period?
Q3: How many individual are encourage to join the I Beam Program at the day of the survey? for example , during the survey, 1 engineer will be good enough to do the program himself? If yes, then we can ask few engineer to difference floor to do the program at the same day as to save time.