Morrisville Unified Development Ordinance - September 2020

Article 11: Interpretation and Definitions Section 11.5. Terms and Uses Defined 11.4.2. Exceptions and Variations

S TORMWATER M ANAGEMENT P ERMIT See Section 7.2.

S TORMWATER S YSTEM All engineered stormwater controls owned or controlled by a person that drains to the same outfall, along with the conveyances between those controls. A system may be made up of one or more stormwater controls.

S TREAM A body of concentrated flowing water in a natural low area or natural channel on the land surface.

S TREAM R ESTORATION The process of converting an unstable, altered, or degraded stream corridor, including adjacent riparian zone and flood-prone areas to its natural or referenced, stable conditions considering recent and future watershed conditions. This process also includes restoring the geomorphic dimension, pattern, and profile as well as biological and chemical integrity, including transport of water and sediment produced by the stream’s watershed in order to achieve dynamic equilibrium. “Referenced” or “referenced reach” means a stable stream that is in dynamic equilibrium with its valley and contributing watershed. A reference reach can be used to develop natural channel design criteria for stream restoration projects. S TREET Any public or private accessway used primarily for vehicular access and circulation, including the roadway and the right-of-way or access easement within which the roadway is located. S TREETSCAPE A varying width (depending on street type) landscaped strip parallel to the recorded or proposed street right-of-way containing plantings of trees and shrubs in accordance with this Ordinance. S TREETYARD B UFFER A landscaped area of varying width (depending on the use and surrounding uses) located along a development site’s street frontage between the development and adjoining street right-of-way. S TRING L IGHTING Low wattage lights designed for exterior installation and use with individual bulb receptacles connected by electrical wires that are exposed to an outside surface. S TRUCTURE Anything constructed, installed, or portable, the use of which requires a location on a parcel of land. This includes a fixed or movable building which can be used for residential, business, commercial, agricultural, or office purposes, either temporarily or permanently. "Structure" also includes, but is not limited to, swimming pools, tennis courts, signs, cisterns, sewage treatment plants, sheds, docks, mooring areas, fountains, art, and similar accessory construction. It also includes a gas, liquid, or liquefied gas storage tank that is principally above ground. S TREET V ENDOR Any person or persons selling or offering for sale products on a street, sidewalk or alley.

S TRUCTURE H EIGHT See Section 11.4.1.F, Structure Height.

Morrisville, NC

October 1, 2019

Unified Development Ordinance

Page 11-72