Participants must be 18 years old or older with the exception of those traveling with their parents or youth group leader. Parents and youth group leaders are responsible for the actions, expenses, and behavior of those that they register for this trip. During the workday, while on the worksite, and during meetings, parents and youth group leaders are not parents and leaders for those minors that are part of the workforce. Team leadership is responsible for approving task assignments, worksite conduct and safety.