(A) Where the average slope of a lot is greater than one foot rise or fall in seven feet of horizontal distance from the established street elevation at the property line, one story in addition to the number permitted in the district in which the lot is situated shall be permitted on the downhill side of any building.
(B) Height limitations set forth elsewhere in this chapter may be increased by 100% when applied to the following:
(1) Monuments;
(2) Flag poles;
(3) Cooling towers;
(4) Elevator penthouses; and
(5) Windmills.
(C) Height limitations set forth elsewhere in this chapter may be increased with no limitation when applied to the following:
(1) Church spires, belfries or domes which do not contain usable space;
(2) Water towers;
(3) Chimneys or smokestacks;
(4) Radio or television transmitting towers;
(5) Essential service structures; and
(6) Grain elevators.
(2001 Code, § 11.11) Penalty, see § 10.99