I was the supervisor of Tidal Force at Hersheypark for the day, and I sat down on a little chest we have for storing cleaning supplies and such. I was filling out some paperwork when one of the boats decided it was going to soak me and my paperwork. Funny thing was the water never reached that spot all day until I decided to sit down for a few seconds.
Once the train passes over this set of Proximity Sensors, that will be the earliest point in which the operator will be able to dispatch the next train. Another switch is positioned shortly after to tell the lift hill to either slow down, or maintain normal speed until the train clears the block.