Getting back on topic
The park is bounded by West Savannah Drive, although it could be pushed back.. but there is the big backstage entrance facility right to the west of Camp MM.
I think it's posisble they want the parking space located south of Camp MM and may want to push that back to the west side of Savannah Drive... also they will need a big construction staging area yet to be defined. Between those two maybe they do need some extra space and acquired it from the East Orange Lake properties.