Site plan with elevations (pages 21-24).
ftp://ftp.ci.austin.tx.us/ATD_AULCC/...enue_PLANS.pdf
337 feet to the mechanical penthouse.
321 feet to the main roof.
310 feet to the 30th floor (highest occupied floor).
8th floor setback fronting Congress Avenue (amenity deck) is 80 feet.
This will make it the tallest building in downtown north of 7th Street.