Towers, spires, cupolas, chimneys, elevator penthouses, water tanks, flagpoles, monuments, theater scenery lofts, radio and television antennas, transmission towers, fire towers, and similar structures and necessary mechanical appurtenances, covering not more than 10 percent of the ground area covered by the structure to which they are accessory, may exceed the maximum permitted height in the district in which the site is located if the site is outside the shoreline area defined in BMC § 17.24.030(K), subject to the following regulations:
A. In an RS district, a chimney may exceed the permitted height by two feet, but a use permit shall be required for any other structure exceeding the permitted height in the district and shall not be issued for height in excess of 20 feet above the district height limit.
B. In an RM or RH district, a structure may exceed the district height limit by not more than eight feet if no portion intercepts an inclined daylight plane sloping inward from the nearest lot line at a 45-degree angle from the height of the highest building wall permitted adjoining a required yard; provided, that a chimney may intercept the daylight plane. A use permit shall be required for any structure exceeding the height limit by more than eight feet and shall not be issued for height in excess of 20 feet above the district height limit.
C. In a C, I, PS, or OS district, a structure may exceed the district height limit by 10 feet, and a use permit may be approved for features extending more than 10 feet above the district height limit.
D. For projects to be acted on by the planning commission, requests for approval of height use permits shall be acted on by the planning commission. For projects which require action by the historic preservation review commission only, requests for approval of height use permits shall be acted on by the historic preservation review commission. For projects to be acted on by the development services director only, the historic preservation review commission shall act on the height use permit application. Applications for higher light poles in the I districts shall be acted on by the development services director.
(Ord. 87-4 N.S., 1987; Ord. 99-1 N.S.; Ord. 13-07 § 2; Ord. 25-09 § 4)