Unified Development Ordinance, 4th supplement, September 2017
Part 10A: Unified Development Ordinance City of Raleigh, North Carolina 12 – 18 Effective Date: September 01, 2013 Supp. No. 2 CHAPTER 12. DEFINITIONS | Article 12.2. Defined Terms T foundations or that can be easily moved and where moving the structure is the least cost alternative to prevent flood damage to the structure, are not defined as having structural flooding. Structural flooding does not include those portions of residential and commercial structures located in a floodplain area and designed and constructed to flood or a commercial structure that has a City approved floodproofing plan. Substantial Damage Damage of any origin sustained by a structure whereby the cost of restoring the structure to its before-damaged condition would equal or exceed the 50% of the estimated market value of the structure before the damage occurred. Substantial Improvement Any reconstruction, repair, rehabilitation, addition or other improvement of a structure, the cost of which over a 5 year period singularly or collectively equals or exceeds 50% of the market value of the structure before the “start of construction” of the substantial improvement. This term includes structures which have incurred “substantial damage,” regardless of the actual amount of repair work performed. The term does not include any project for improvement of a structure to correct existing violations of State or local health, sanitary or safety code specifications which have been identified by the local code enforcement official and which are the minimum necessary to assure safe living conditions. Sustainable Energy Systems On-site renewable energy generation technologies such as a solar array, solar collection system, wind energy system or geothermal energy system. t Ten-Year Storm The stormwater runoff resulting from a rainfall of an intensity expected to be equaled or exceeded, on the average, once in 10 years and of a duration which will produce the maximum peak rate of runoff for the watershed of interest under average antecedent wetness conditions. Thoroughfare A street delineated as a major thoroughfare or a minor thoroughfare on the Comprehensive Plan or a major access corridor. Major thoroughfares include: (1) principal arterials, which are either gateways, freeways or expressways; (2) secondary arterials; (3) other major thoroughfares; or (4) any Major Street identified in Article 8.4. Transparency The ability to transmit light so objects on the other side of the material are visible. As applied to windows, the transparent material must pierce the building façade with a minimum distance of 4 feet maintained free of building materials, shelving or other impediment so that views are provided into and out of the building. Tree Disturbing Activity Any activity that results in one or more of the following: 1. The movement of earth, compaction of earth, chemical or physical alteration of earth or a change in the existing soil cover (both vegetative and non vegetative) or the existing soil topography in the critical root zone of a tree or within any tree conservation area, including but not limited to: chemical application, clearing, grading, filling, excavation, stabilization of structures and road or walkway construction 2. Chemical or physical alteration of a tree in any way that diminishes its health and vigor, including but not limited to removal, cutting, root pruning, branch pruning, topping, bark scraping and application of chemical or biological agents. 3. The placement within the critical root zoneor within any tree conservation area of any permanent or temporary encroachment, including but not limited to application of impervious surfaces, storage of equipment, materials, earth parking or circulation of vehicles or equipment. Twenty Five-Year Storm The stormwater runoff resulting from a rainfall of an intensity expected to be equaled or exceeded, on the average, once in 25 years and of a duration which will produce the maximum peak rate of runoff, from the watershed of interest under average antecedent wetness conditions.