Morrisville Unified Development Ordinance - June 2023.1

Article 4: Use Standards Section 4.2. Principal Uses 4.2.5. Principal Use-Specific Standards

b. Concealed Attached Antenna Concealed attached antennas may be mounted onto a building, support structure, transmission tower structure, or other similar structure, which is not primarily constructed for holding antennas but on which one or more antennas may be mounted. Concealed attached antennas shall be subject to the following: (1) The top of the antennas shall not exceed 20 feet above the top of the structure and shall be architecturally indiscernible from the building, support structure, transmission tower structure, or other similar structure. (2) The applicant shall provide documentation verifying that the installation of a concealed attached antenna will not compromise the structural integrity of the building, support structure, transmission tower structure or other similar structure. (3) If installed onto a building wall, concealed attached antennas shall be flush-mounted and may protrude from the wall no more than 12 inches. (4) Concealed attached antennas and ancillary equipment shall only be allowed on buildings, support structures, streetlights, traffic signal poles, flagpoles, or other similar structures subject to compliance with this ordinance and applicable utility company requirements or building owner requirements. (5) Feed lines, cables, and ancillary equipment shall be designed to architecturally match the facade, roof, wall, pole and/or structure on which they are affixed in order to blend with the existing structural design, color, and texture. (6) If an ancillary equipment compound area is located on the roof of a building, the compound area shall not occupy more than twenty-five percent of the roof area, and shall comply with all current NC Building Code requirements for the proposed or existing building. If an ancillary equipment compound is located on the roof of the building, the compound area shall not be visible from any pedestrian or right of way view, shall be screened with opaque material consistent with the building or rooftop and shall be no higher than the parapet wall or 10 feet, whichever is taller. (7) The applicant shall provide renderings or photographs of the proposed concealed attached antenna including, but not limited to, design, colors and screening devices. (8) When a concealed attached antenna is to be located on a building or support structure with nonconforming setbacks, the existing permitted nonconforming setback shall prevail. Non-Concealed Attached Antenna Non-concealed attached antennas may be mounted onto a support structure, utility distribution pole, transmission tower structure or other similar structure, which is not primarily constructed for holding antennas but on which one or more antennas may be mounted. Non-concealed attached antennas shall be subject to the following: (1) The top of the antennas shall not exceed 20 feet above the top of the support structure, or transmission tower structure or other similar structure. (2) The applicant shall provide documentation verifying that the installation of a non concealed attached antenna will not compromise the structural integrity of the support structure, transmission tower structure or other similar structure. (3) If a non-concealed attached antenna is installed on a transmission tower structure, the applicant shall provide documentation verifying that the antenna will not interfere, or be interfered with, by the normal operating characteristics of the transmission line. c.

Morrisville, NC

October 1, 2021

Unified Development Ordinance

Page 4-18