Unified Development Ordinance, 4th supplement, September 2017

Part 10A: Unified Development Ordinance City of Raleigh, North Carolina 1 – 18 Effective Date: September 01, 2013 Supp. No. 4 CHAPTER 1. ​INTRODUCTORY PROVISIONS | Article 1.5. Measurement, Exceptions & General Rules of Applicability Sec. 1.5.7. Height D. Height Encroachments Any height encroachment not specifically listed is expressly prohibited except where the Planning and Development Officer determines that the encroachment is similar to a permitted encroachment listed below. 1. The maximum height limits of the district do not apply to spires, belfries, cupolas, domes, bell towers, monuments, water tanks/towers or other similar structures not intended for human occupancy which, by design or function, must exceed the established height limits. 2. The following accessory structures may exceed the established height limits, except when located within an -AOD, provided they do not exceed the maximum building height by more than 12 feet: a. Chimney, flue or vent stack; b. Unenclosed deck, patio or shade structure; c. Rooftop garden, landscaping; d. Flagpole; e. Parapet wall; f. Rainwater collection or harvesting system; and g. Solar panels, wind turbines. 3. The following accessory structures may exceed the established height limits, except when located within an -AOD, provided they do not exceed the maximum building height by more than 12 feet, do not occupy more than 25% of the roof area and are set back at least 10 feet from the edge of the roof: a. Amateur communications tower; b. Cooling tower; c. Elevator penthouse or bulkhead; d. Greenhouse; e. Mechanical equipment; f. Skylights; g. Elevator or stairway access to roof; and h. Tank designed to hold liquids, except as otherwise permitted. 4. An accessory structure located on the roof must not be used for any purpose other than a use incidental to the principal use of the building except for telecommunication facilities.

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