23.45.520

HR zone upper-level development standards

Seattle Municipal Code · Seattle Mun. Code § 23.45.520

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A. For the purpose of this Section 23.45.520 , a "tower" is any portion of a structure that exceeds 45 feet in height, excluding rooftop features permitted above the height limit. Rooftop features permitted above the height limit shall not be included in calculating the gross floor area per story and floor area coverage of a tower. B. If any proposed or existing structures in HR zones exceed a height of 85 feet, excluding rooftop features permitted above the height limit, all structures or portions of structures greater than 45 feet in height are subject to following standards: 1. A structure may have one or more towers. 2. The maximum width of an individual tower is 130 feet. 3. The average gross floor area per story of an individual tower shall not exceed 10,000 square feet and the maximum gross floor area for any individual story of an individual tower shall not exceed 10,500 square feet. 4. The average gross floor area per story of all towers on the lot shall not exceed 60 percent of the lot area. 5. Where two or more towers are located on the lot, the minimum horizontal separation between proposed towers or between proposed and existing towers shall be 40 feet. (Ord. 125791 , § 40, 2019; Ord. 124378 , § 30, 2013; Ord. 123649, § 19, 2011; Ord. No. 123209, § 34, 2009)