Morrisville Unified Development Ordinance - February 2021.2

Article 4: Use Standards Section 4.3. Accessory Uses and Structures 4.3.5. Accessory Use-Specific Standards

e. The floor area of an accessory apartment within a principal dwelling shall be no more than 1,000 square feet (excluding carports and garages). f. The height of the accessory structure or use shall be visually subordinate to the principal structure and shall in no instance exceed the height of the principal structure. g. At least one off-street parking space shall be provided in addition to those required for the primary dwelling. h. An accessory apartment shall not be sold apart from the principal dwelling on the same lot. i. An accessory apartment shall not be leased or rented for tenancies of less than 30 days. j. Only one kitchen is allowed in the accessory apartment. k. Accessory apartments shall not count towards the maximum net density standards. (Ord. No. 2016-001, 05/10/2016) 2. Amateur Ham Radio Antenna (Telecommunication Use) a. The antenna shall not exceed a height of 90 feet above grade. b. An antenna attached to a principal structure on the lot shall be located on a side or rear elevation of the structure. c. A freestanding antenna shall be located to the rear of the principal structure on the lot, but not within 10 feet of any lot line. d. The Planning Director shall waive or approve a deviation of the above standards if the ham radio operator demonstrates that such waiver or deviation is necessary to accommodate the operator’s amateur communications needs. (Ord. No. 2014-016, 06/24/2014) 3. Automated Teller Machine (ATM) a. An ATM designed for walk-up use and located in the exterior wall of a building or a parking area shall be designed to avoid obstructions to pedestrian movement along sidewalks, through public use areas, or between parking areas and building entrances, or vehicular movement in front of buildings or through parking areas. b. If an ATM is designed for use by customers in their vehicles, it shall comply with the accessory use standards (including districts where permitted) in Section 4.3.5.B.9, Drive-Through Service Facility. c. The overall character of an automated teller machine in terms of materials, colors, and architectural character shall be compatible with that of the principal structure. (Ord. No. 2016-001, 05/10/2016) 4. Broadcast Facility (Telecommunication Use) a. Determination of Need No new tower shall be permitted unless the applicant demonstrates that no existing broadcast tower can accommodate the applicant’s proposed use. b. Height Height for broadcast facilities shall be evaluated on a case-by-case basis. The determination of height contained in the applicant’s FCC Form 351/352 Construction Permit or application for Construction Permit and an FAA Determination of No Hazard (FAA Form 7460/2) shall be considered prima facie evidence of the height required for such broadcast facilities.

Morrisville, NC

February 1, 2021

Unified Development Ordinance

Page 4-38