Morrisville Unified Developmemt Ordinance_February 2024

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

L ETTER OF MAP CHANGE (L OMC ) An official determination issued by FEMA that amends or revises an effective Flood Insurance Rate Map or Flood Insurance Study. Letter of Map Change include: a. Letter of Map Amendment (LOMA): An official amendment, by letter, to an effective National Flood Insurance Program map. A LOMA is based on technical data showing that a property had been inadvertently mapped as being in the floodplain, but is actually on natural high ground above the base flood elevation. A LOMA amends the current effective Flood Insurance Rate Map and establishes that a specific property, portion of a property, or structure is not located in a special flood hazard area. b. Letter of Map Revision (LOMR): A revision based on technical data that may show changed to flood zones, flood elevations, special flood hazard area boundaries and floodway delineations, and other planimetric features. c. Letter of Map Revisions Based on Fill (LOMR-F): A determination that a structure or parcel of land has been elevated by fill above the BFE and is, therefore, no longer located within the special flood hazard area. In order to qualify for this determination, the fill must have been permitted and placed in accordance with the community ’ s floodplain management regulations. d. Conditional Letter of Map Revision (CLOMR): A formal review and comment as to whether a proposed project complies with the minimum NFIP requirements for such projects with respect to delineation of special flood hazard areas. A CLOMR does not revise the effective Flood Insurance Rate Map or Flood Insurance Study; upon submission and approval of certified as-builts documentation, a Letter of Map Revision may be issued by the FEMA to revised the effective FIRM. L EVEL OF S ERVICE , P RE - DEVELOPMENT Existing traffic plus background development traffic, but not including the proposed development traffic. L IGHT E MITTING D IODE (LED) An electronic semiconductor device that emits light when an electric current passes through it. They are considerably more efficient than incandescent bulbs, and rarely burn out. LEDs are used in many applications such as flat-screen video displays, and increasingly as general sources of light. L IGHT T RESPASS The occurrence when light emitted by a lighting installation falls outside the boundaries of the property on which the installation is sited. This can have adverse effects on residents, vehicle operators and pedestrians, the natural environment. L IMITED -A CCESS H IGHWAY Thoroughfares so designated on the Morrisville Thoroughfare Plan where access is by at-grade thoroughfares and driveway cuts onto the limited-access road are prohibited. L IMITED F UEL /O IL /B OTTLED G AS D ISTRIBUTION The distribution of fuel oil or bottled gases, such as propone or liquid petroleum, in cans with volumes no greater than five gallons, for compensation. L IGHT S OURCE The element of a lighting fixture that is the point of origin of the lumens emitted by the fixture.

Morrisville, NC

June 13, 2023

Unified Development Ordinance

Page 11-51