From what I've been told, the structure itself will probably be done in another three or four weeks, if that. My understanding of the process (which might be incorrect) is that they go over the entire ride again and make sure every bolt is torqued to spec. Then they test the control system, perform continuity checks for all electrical contacts, switches and photo-sensors. Loading a train on and running it comes after that, followed by more torqueing and testing of the other systems. Once that's good to go, they probably test and measure forces on a dummy followed by forces on the CP big-cheeses when they get that first ride.
There's probably more to it than that, but that's the part I've been told about.
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Jeff
Webmaster/Guide to The Point