OK, let's fix this. SLC is my home aiport.
This is a new airport. It's on different land (well, different dirt, adjacent to the old terminal so maybe same "lot" and yes broader location). I believe ALL of the existing public terminal structures (ok, excluding non-public ones like offices, maybe) will be razed. Currently they are building the new structures(buildings), have been for over a year. They will open the new structures and close the old ones. So, different than MIA Terminal D&E (my most recent compare), but also different than DEN.
So, it's not a remodel, not at all.
True, the runways remain the same.
If that's how you understand it to be, then no worries. But, if that's not how you understood it, then now you know.