Table 407-1: Landscape Requirements
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Site Element
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Requirement
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Street trees1
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1 large tree for every 40 feet of lot frontage, averaged
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Foundation planting
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Continuous shrub massing along 75% of all non-paved building
frontages or any non-paved building facade facing a publicly accessible
area.
Any facade greater than 200 linear feet and not fronting on
a street or civic and open space shall have 1 large tree per 50 linear
feet, 1 small or evergreen tree per 50 linear feet and 1 shrub per
10 linear feet
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Parking lot planting
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1 large tree for every 25 parking spaces, or 1 small or ornamental
tree for every 10 parking spaces
1 shrub for every 10 linear feet of perimeter landscape buffer,
and continuous shrub massing for any perimeter within 25 feet of a
street or internal access street
All other landscape buffers or internal landscape islands shall
be permeable surfaces with perennial vegetative ground cover such
as sod or turf grass. Alternative materials designed to infiltrate
runoff may be approved as part of the stormwater management plan.
All parking lot landscape materials shall be allocated in the perimeter buffers and internal islands required by Section 408.050.
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Buffers
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See Section 407.030.
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Open space
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See Section 404.020, for any areas or sites required to have civic and open spaces.
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Other
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All other unbuilt and permeable surfaces on the site shall include
ground cover to prevent dust and soil erosion. Perennial vegetative
ground cover, such as sod or turf grass shall be required on at least
80% of the ground cover. Non-living ground cover, such as stones,
rocks or mulch may be permitted on up to 20% of the ground cover.
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NOTE:
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1
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Street trees shall be planted in tree lawns between the sidewalk
and curb, at least six (6) feet wide, or in tree wells with a minimum
permeable surface area of twenty-four (24) square feet and minimum
width of four (4) feet. In cases where tree lawns cannot accommodate
a large tree or where overhead utilities are present, small trees
may be substituted. In cases where streets cannot accommodate planting
in the right-of-way, planting shall be within the first ten (10) feet
of the front lot line. Any lot fronting on a street with a specific
streetscape plan approved by the Planning Commission may substitute
the design specification of that plan for street tree requirements.
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Table 407-2: Plant Specifications
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Type
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Specification
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Large tree
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2-inch caliper
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Small or ornamental tree
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1.5-inch caliper
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Evergreen
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6 feet minimum height
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Shrub
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18 inches minimum height
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Ground cover
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50% coverage at planting;
Full coverage within 2 growing seasons
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Turf
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All proposed or required turf areas shall be sodded
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Table 407-3: Tree Diversity
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Required Number of Trees
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Diversity1
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1 to 4
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May be all 1 species, but should be diverse from other species
or genus in the vicinity
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5 to 10
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At least 2 genus
No more than 50% of any 1 species
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11 to 20
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At least 3 genus; and
At least 5 species
No more than 33% of any 1 species
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21 to 50
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At least 3 genus; and
At least 5 species
No more than 20% of any 1 species
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NOTE:
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1
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Any streetscape master plan or public realm plan may achieve
street tree diversity on a block-scale basis, while planting the same
species on individual segments for the urban design effect.
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Table 407-4: Buffer Planting Requirements
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Buffer Type
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Buffer Size and Planting Requirement
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Type 1: A compact, and more densely landscaped
area used to screen and mitigate potential impacts on abutting property.
Type 1 buffers may be necessary in combination with other buffers
on particular portions of the site plan.
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At least 5 feet wide
1 evergreen per 8 linear feet or 1 shrub per 5 linear feet
Or a fence or ornamental wall that provides a solid screen between
6 feet and 8 feet with a lesser combination of plant material to soften
the wall or fence
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Type 2: A landscape strip used to soften and provide
aesthetic improvements within the setback area and improve the compatibility
of certain land use transitions.
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At least 10 feet
1 large tree or 2 small trees per 50 linear feet
1 shrub per 10 linear feet
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Type 3: A landscape strip used to separate and
screen potentially incompatible sites or land use transitions.
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At least 20 feet wide
1 large tree or 2 small trees per 40 linear feet
1 evergreen per 20 linear feet
1 shrub for every 10 linear feet
Or a 6-foot berm or solid fence combination with a lesser combination
of plant materials to the outside
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Type 4: A landscape area along the frontage of
thoroughfares and corridors designed to preserve or strengthen the
natural features and characteristics of the area through more dense
vegetation in a compact area.
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At least 35 feet wide along frontage
1 large, small or evergreen tree per 4 linear feet
1 shrub or evergreen per 2 linear feet of frontage
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Type 5: A landscape area along the frontage of
thoroughfares and corridors designed to preserve or strengthen the
natural features and characteristics of the area through more moderate
vegetation in a larger area.
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At least 50 feet wide along frontage
1 large, small or evergreen tree per 10 linear feet
1 shrub 4 linear feet
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Type 6: A landscape area along the frontage of
thoroughfares and corridors designed to preserve or strengthen the
natural features and characteristics of the area through dispersed
vegetation in a wide area.
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At least 100 feet wide along frontage
1 large, small or evergreen tree per 20 linear feet
1 shrub per 20 linear feet
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Table 407-5: Buffer Requirements
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Buffer Type
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When Required
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Type 1
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For screening high-intensity portions of site from streetscape or abutting property according to design and performance standards in Section 407.030(D). Specifically applicable for trash enclosures; outdoor storage; drive-through, loading, or service areas abutting residential areas; or surface parking located within 10 feet of residentially used or zoned property. Type 1 buffers may be required in addition to or in combination with other buffer types.
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Type 2
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Along non-commercial frontages of collector and arterial streets,
except those with activity street designs.
Any multibuilding or apartment project greater than 1/2 acre
but less than 2 acres abutting R-4 or lesser intense zoning
Any non-residential project under 1 acre abutting residentially
used or zoned property
Any I-1 project abutting lesser intense districts
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Type 3
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Any I-2 or I-3 abutting lesser intense districts
Any multi-unit building or apartment project of 2 acres or more
abutting R-4 or lesser intense zoning
Any non-residential property of 1 acre or more abutting R-4
or lesser intense zoning
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Types 4, 5 and 6
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Along frontages of major thoroughfares that have a natural street
design
Landscape should be designed to provide a mix of deciduous and
evergreen trees and shrubs dispersed throughout the buffer area.
May incorporate civic and open space requirements, if any, into
this area
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Table 407-6: Mounting Height
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Location
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Height Limit
(feet)
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Driveways and parking areas
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37.5 in B-2, B-4, I-1, I-2, I-3 Districts
25 in all other districts
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Pedestrian walkways, plazas or courtyards
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16
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Facade lights
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Below the eave or cornice line, provided that the light is directed
downward
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Other site lighting
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12
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Table 407-7: Required Shielding
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Watts (or Equivalent Lumens) or Mounting Height
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Shield Type
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Full Cutoff1
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Cutoff2
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Semi-Cutoff3
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All lights mounted above 25 feet; or all lights above 450 watts
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Required
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Prohibited
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Prohibited
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All lights between 100 watts and 450 watts
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Permitted
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Required
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Prohibited
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All lights between 55 watts and 99 watts; or
Any light mounted between 12 feet and 25 feet
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Permitted
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Permitted
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Required
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All lights mounted below 12 feet and less than 55 watts
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No shielding is required; all shielding types permitted.
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NOTES:
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1
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Full cutoff fixtures emit zero percent (0%) of its light above
ninety degrees (90°) and ten percent (10%) above eighty percent
(80%) from horizontal.
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2
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Cutoff fixtures emit no more than two and five-tenths percent
(2.5%) of its light above ninety degrees (90°) and ten percent
(10%) of its light above eighty percent (80%) from horizontal.
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3
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Semi-cutoff fixtures emit no more than five percent (5%) of
its light above ninety percent (90%) and twenty percent (20%) of its
light above eighty degrees (80°).
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