Morrisville Unified Development Ordinance - February 2021.2

Article 6: Riparian Buffers Section 6.8. Uses and Activities Permitted in Riparian Buffers 6.6.3. Riparian Buffer Variance Review Standards

Table 6.8: Uses and Activities Permitted in Riparian Buffers Use or Activity Exempt [1] Allowable [2]

Allowable with Mitigation [3]

X

Above-ground electric line crossings that are not perpendicular to the stream and impact Zone One [4][5][6][9] Above-ground electric line crossings that are not perpendicular to the stream and impact Zone Two [4][6][8] Above-ground electric line crossings that are not perpendicular to the stream and impact Zone One [4][5][6][8] Underground electric line crossings that are perpendicular to the stream and disturb no more than 40 linear feet of riparian buffer [4][6][7] Underground electric line crossings that are perpendicular to the stream and disturb more than 40 linear feet of riparian buffer [4][6][7] Underground electric line crossings that are not perpendicular to the stream and impact Zone Two [4][6] Underground electric line crossings that are not perpendicular to the stream and impact Zone One [4][6][7] Non-electric utility line crossings that are perpendicular to the stream and disturb no more than 40 linear feet of riparian buffer and have a maintenance corridor no more than 10 feet wide [4][6] Non-electric utility line crossings that are perpendicular to the stream and disturb no more than 40 linear feet of riparian buffer and have a maintenance corridor more than 10 feet wide [4][6][9] Non-electric utility line crossings that are perpendicular to the stream and disturb more than 40 linear feet but no more than 150 linear feet of riparian buffer and have a maintenance corridor no more than 10 feet wide [4][6] Non-electric utility line crossings that are perpendicular to the stream and disturb more than 40 linear feet but no more than 150 linear feet of riparian buffer and have a maintenance corridor more than 10 feet wide [4][6][9] Non-electric utility line crossings that are perpendicular to the stream and disturb more than 40 linear feet but no more than 150 linear feet of riparian buffer and have a maintenance corridor more than 10 feet wide [4][6][8] Non-electric utility line crossings that are perpendicular to the stream and disturb more than 150 linear feet of riparian buffer Non-electric utility line crossings that are not perpendicular to the stream and impact Zone Two [4][6][7] Non-electric utility line crossings that are not perpendicular to the stream and impact Zone One [4][6][7] Non-electric utility line impacts that do not cross the stream and are not perpendicular to the stream and impact Zone Two [4][6][7][9] Vegetation management: Emergency fire control measures where topography is restored Pruning forest vegetation where the health and function of the forest vegetation is not compromised Removal of individual trees that are in danger of causing damage to dwellings, other structures, or human life, or are imminently endangering stability of the stream bank Removal of individual trees that are dead, diseased, or damaged Mowing maintenance in Zone Two Planting vegetation to enhance the riparian buffer

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X X X X

X

X X

Removal of poison ivy

Morrisville, NC

February 1, 2021

Unified Development Ordinance

Page 6-16