The site plan was posted to the AULCC page, and there's a slight change in height. The first elevations we saw didn't show this, but there are two sets of stairs that drop down 3 feet 3 inches below the 0 feet baseline number. So, the overall height appears to be 190 feet 7 inches.
ftp://ftp.ci.austin.tx.us/ATD_AULCC/...St_PLAN_02.pdf