Unified Development Ordinance, 4th supplement, September 2017
Part 10A: Unified Development Ordinance City of Raleigh, North Carolina 1 – 16 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 4. The change in percentage of building that occupies the build-to area or increased setback does not negatively impact pedestrian access, comfort or safety; and 5. Site area that would have otherwise been occupied by buildings is converted to an outdoor amenity area under Sec. 1.5.3.B. Sec. 1.5.7. Height A. Building Height 1. Building height is measured from average grade in both number of stories and feet to the top of the highest point of a pitched or flat roof, not including a maximum parapet wall encroachment. The maximum height encroachment for a parapet wall is 4 feet for a 3-story building, with 1 additional foot of parapet wall allowed for each additional story thereafter. In no case shall a parapet encroachment be taller than 12 feet. Height Top of Roof Flat Roof Pitched Roof Height Top of Roof Parapet Wall Average Grade Average Grade 2. Average grade is determined by calculating the average of the highest and lowest elevation along pre-development grade or improved grade (whichever is more restrictive) along the front of the building parallel to the primary street setback. Where mass-grading has been approved by the City, average grade shall be considered the improved grade following such mass grading. Highest ElevaƟon Front Facade Lowest ElevaƟon Height Average of Highest and Lowest ElevaƟons 3. Where a lot slopes downward from the property line, 1 story that is additional to the specified maximum number of stories may be built on the lower portion of the lot. Height Street AddiƟonal Story Ground Floor ElevaƟon 4. Where the property slope increases to the rear, building height is measured from the average point at grade of the front and rear wall plane.