Morrisville Unified Development Ordinance – September 2018

Article 5: Development Standards Section 5.7. Perimeter and Streetyard Buffers 5.7.4. Buffer Type Standards

Table 5.7.4: Buffer Type Standards Minimum Width and Screening Requirements Also see general requirements for all buffer types at bottom of table. Buffer Type F (Streetyard) This streetyard buffer provides a continuous opaque screen to a height of at least six feet. It serves as a visual and noise barrier between the developments and an adjoining controlled access highway.

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Shade trees: 6 per 100 linear feet, with at least 5 feet between mature canopies [2] Understory trees: 4 per 100 linear feet [2] Shrubs: 20 per 100 linear feet, at least 75% evergreen, and at least 6 feet high at maturity At least 50% of all trees must be evergreen

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Option 1

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Shade trees: 5 per 100 linear feet, with at least 5 feet between mature canopies [2] Understory trees: 3 per 100 linear feet [2] • Evergreen shrubs: 15 per 100 linear feet, at least 75% evergreen, and at least 3 feet high at maturity • A solid fence or wall at least 6 feet high [1] • At least 50% of all trees must be evergreen •

Option 2

Buffer Type G (Streetyard) This streetyard buffer provides intermittent visual obstruction and creates the impression of spatial separation without eliminating visual contact between the street and the development.

• Shade trees: 3 per 100 linear feet, with at least 25 feet between mature canopies [2] • Understory trees: 6 per 100 linear feet [2]

Option 1

• Shade trees: 3 per 100 linear feet, with at least 25 feet between mature canopies [2] • Understory trees: 6 per 100 linear feet [2] • A solid masonry wall between 3 to 4 feet high with 15 evergreen shrubs per 100 linear feet between the wall and the street [1]

Option 2

Morrisville, NC

September 25, 2018

Unified Development Ordinance

Page 5-35