High-rise buildings subject to this chapter shall be categorized as follows, according to building height above grade:
Category 1 – Over 780 feet
Category 2 – Over 540 feet, up to and including 780 feet
Category 3 – Over 275 feet, up to and including 540 feet
Category 4 – 80 feet and over, up to and including 275 feet
(Added Coun. J. 10-31-01, p. 71183, § 1)