Morrisville Unified Development Ordinance - February 2021.2

Article 11: Interpretation and Definitions Section 11.5. Terms and Uses Defined 11.4.3. Illuminated Signs

L OT L INE , F RONT A lot line separating the lot from the public street right-of-way or private street easement towards which the front of the principal building on the lot faces. On a corner lot, the front lot line is generally the shorter of the lot lines abutting a street. For a vacant corner lot where the lengths of the street-fronting lot lines are within 20 percent of each other, the front lot line shall be the lot line the lot owner elects to identify as the front lot line. L OT L INE , R EAR A lot line connecting the lot’s interior side lot lines, or an interior side lot line and a street side lot line, along the edge of the lot opposite its front lot line.

L OT L INE , S IDE A lot line not abutting a street and connecting the lot’s front and rear lot lines.

L OT W IDTH See Section 11.4.1.B, Lot Width.

L OT , Z ONING A parcel or contiguous parcels of land that is indicated by the owner or applicant at the time of application acceptance as being a cohesive development site. An example of a zoning lot is the lots (including outparcels) comprising the development site for a major shopping center. L OW I MPACT D EVELOPMENT A manner of land development that seeks to protect waterways, habitat, baseflow, and groundwater recharge. Low Impact Development also protects water quality by minimizing the pollutant loading to waterways from developed areas. L OW S OLAR G AIN /L OW E MITTANCE (L OW E) W INDOW Low solar gain, low-emittance (Low-E) refers to windows designed to suppress radiative heat transfer through the use of a microscopically thin, virtually invisible, metal or metallic oxide layer coating, reducing heat loss in winter and heat gain in summer. L OWEST A DJACENT G RADE (LAG) For purposes of floodplain management, the elevation of the ground, sidewalk or patio slab immediately next to the building, or deck support, after completion of the building. L OWEST F LOOR For purposes of floodplain management, the lowest floor of the lowest enclosed area (including basement). An unfinished or flood resistant enclosure usable solely for parking of vehicles, building access or limited storage in an area other than a basement area is not considered a building's lowest floor provided that such enclosure is not built so as to render the structure in violation of the applicable non-elevation design requirements of this article. L UMEN A quantitative unit measuring the amount of light emitted by a light source. A lamp is generally rated in lumens. LUX A unit of illuminance on a surface one meter from a uniform point source of light of one candle and equal to one lumen per meter. (1 LUX = 0.0929 foot-candle)

Morrisville, NC

February 1, 2021

Unified Development Ordinance

Page 11-51