Why yes he did as a matter of fact! The earlier long parts of the queue will be outside yet covered to some extent. The closer one gets to the prize will be completely indoors, beneath the current right-most steel structure.
I must say that I am somewhat dazzled by how much they are spending on this project. It is as if they looked back at Diagon and thought... we can do this to a similar standard!
It would be swell if Thunder Falls got an Adventurer's Club type re-do as well