I think we will just have to wait until we get verification as to what elevations were filed with the city before we know the exact height. They could be added to the site plan application or show up for AULCC relatively soon. I'm pretty much done speculating on height until then.
The elevations from Source #1 were much more detailed than Source #2. The Source #1 elevations have a level 0 of 452' which is probably the FFE. These elevations have a more recent date.
The elevations from Source #2 were part of the very large site plan packet. But they did not show the underground levels or have a level 0. There was a slight difference in the heights between the elevations from each source - mainly the hotel/office amenities levels.
Assuming there isn't a different version filed with the city, it looks like 1,022' or 1,030' if we start with 452'.
On another note, this project certainly has a leaky history. Word of this project was leaked on another forum that is not HAIF in May. The site or height was not disclosed. But it was confirmed to be a supertall that was not one of the ATX East/West towers. The poster has since confirmed it was this project.
Source #1
Source #2