Unified Development Ordinance, 4th supplement, September 2017

Part 10A: Unified Development Ordinance City of Raleigh, North Carolina 9 – 20 Effective Date: September 01, 2013 Supp. No. 4 Buffers Natural resource buffers shall be established along primary and secondary watercourses in a -UWPOD. Required natural resource buffers shall meet the following standards. a. A minimum 30 foot wide natural resource buffer is required for all perennial waters indicated on the most recent versions of USGS 1:24,000 (7.5 minute) scale topographic maps. b. A minimum 100-foot wide natural resource buffer is required for all new development activities that exceed: i. Two dwelling units per acre or 20,000 square foot lot excluding roadway right-of-way; or ii. 24% lot coverage for all other residential and nonresidential development. c. Within -UWPOD, these natural resource buffers do not apply to: i. New detached houses on a nonconforming lot of record; ii. Redevelopment of lots containing detached houses; and iii. Activity in a single development that disturbs less than 1 acre. B. Uses Allowed Within Natural Resource Buffers No development, expansion of development or change in use may occur within a required natural resource buffer except as allowed below. 1. Property outside of a riparian water surface buffer, but situated within a required natural resource buffer, shall comply with all of the following. a. Driveways and vehicular surface areas, not including public streets, are allowed; provided that, all of the following are met: i. Any crossing is as close to perpendicular as practicable and insures minimal impact to the surrounding buffer; and ii. The driveway or vehicular use area does not constitute more than 40% of the front yard area of any detached house. b. Fences, walls, statuary, monuments, fountains or signs shall be located outside any primary watercourse buffer. c. Garden crops involving cultivation shall be located outside any primary watercourse buffer. d. Greenways, sidewalks and walkways shall be located outside of a primary watercourse buffer and meet the requirements of Sec. 9.2.3.C.2. or shall be unpaved. e. New drainage ditches, roadside ditches and stormwater outfalls shall meet the requirements of Sec. 8.8.2. a nd Sec. 9.2.3.C.2. f. Playground equipment on single-unit or two-unit living lots. g. Ponds, stormwater management ponds, reservoirs, provided that, the standards of Sec. 9.5.1.C. , Sec. 9.5.2.C. o r Sec. 9.5.3.C. are met. h. Public streets, provided that the standards of Sec. 9.3.6. , Sec. 9.3.7. and the Raleigh Street Design Manual are met. i. Railroad crossings. j. Stormwater control facilities and stormwater outfalls shall meet the requirements of Sec. 9.2.3.C.2. if there is no feasible alternate location. k. Utility lines. i. Non-electric utility lines are allowed, but if located in a -UWPOD, -FWPOD, -SWPOD or CM District, the utility lines must meet the standards of Sec. 9.2.3.C. if situated within a primary watercourse buffer area. ii. Underground electrical utility lines are allowed, but if located in a -UWPOD, -FWPOD, -SWPOD or CM District, the underground utility lines must meet the standards of Sec. 9.2.3.C. if situated within a primary watercourse buffer area. iii. Overhead electric utility lines are allowed, but if located in a -UWPOD, -FWPOD, -SWPOD or CM District, the overhead utility lines must meet the standards of Sec. 9.2.3.C. if situated within a primary watercourse buffer area. l. With the exception of any display area or any gasoline pump island, accessory structures and uses are allowed within a secondary watercourse of a -FWPOD, -SWPOD or CM District, provided that the following standards are met. i. No land-disturbing activity for any allowed use shall affect more than 12% of the portion of a lot within a secondary watercourse natural resource buffer. ii. Land-disturbing activity on slopes between 15% and 20%may occur no closer than 80 feet to the edge of a watercourse. CHAPTER 9. ​NATURAL RESOURCE PROTECTION | Article 9.2. ​Stormwater Management Sec. 9.2.3. Watercourse Buffers

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