Ordinance 2000-48 i
Revised June 27, 2000
STATE OF ILLINOIS )
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COUNTY OF KENDALL )
ORDINANCE NO. 2000- 48
ORDINANCE AMENDING
UNITED CITY OF YORKVILLE LANDSCAPE ORDINANCE NO. 99-18
SECTION 1: APPLICABILITY: For all development activity requiring a building
permit in all zoning districts, landscaping shall be provided, as follows:
1. For single family detached and duplex residential development:
a. New Construction: Parkway landscaping, and landscaping adjacent to
primary and secondary arterials and collector.
b. Existing Construction: Parkway landscaping, as required by the City
Council for any conditional use,rezoning, variance or change to a PUD.
2. For all other development, other than single family detached and duplex
residential development; parkway landscaping,perimeter landscaping,parking lot
landscaping, lot landscaping and landscaping adjacent to primary and secondary
arterials shall be required as provided in this Ordinance.
SECTION 2• LANDSCAPE REOUIREMENTS:
The following requirements in this section are cumulative:
1. Parkway Landscaping:
a. For all single family detached and duplex residential development,the
minimum required number of parkway trees are as follows:
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Interior lots - one tree per lot.
Corner lots -two trees per lot(one tree per side).
All other lots - (such as parks and retention/ detention areas) one tree per
50 lineal feet of frontage.
b. For all development other than single family detached and duplex
residential development, the minimum required number of parkway trees
is one tree per 50 lineal feet of frontage.
C. All parkways shall have minimum of 6 inches of good, clean, clump-free
topsoil neatly leveled to uniform grade from the top of curb to the top of
sidewalk after settling. Trees shall be planted within the public parkway
between the curb and sidewalk.
d. All parkways shall have a good, thick stand of grass utilizing sod or seed
per the IDOT specifications including fertilizing. The developer as
covered by the required maintenance letter of credit will repair any settling
of grass loss during the one-year maintenance period. The minimum
gradient of all parkways toward the curb shall be 2% and the maximum
shall be 8%. All areas shall be seeded or sodded and fertilized in an
approved manner. Grass watering and mowing to a maximum height of 5
inches will be the responsibility of the developer through the one year
required maintenance period after City acceptance. Parkways will be a
minimum of 10 feet in width from the back of the curb to the front edge of
the sidewalk.
e. No tree shall be planted closer than 30' of the right-of-way intersection.
f. Trees shall have a minimum spacing of 20 feet from light poles, street
signs, fire hydrants and any other such items that may, in the opinion of
the Public Works Director, require similar intervals.
g. Trees under wires are not to exceed 20 feet in height at maturity.
h. Parkway trees shall be planted prior to the issuance of a certificate of
occupancy. It shall be the responsibility of the developer or builder to
properly water all newly planted parkway trees at the time of planting, and
subsequently thereafter, to insure their survival for a period of one year
after City Council acceptance of the public improvements.
i. Only approved shade trees may be used as parkway trees.
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2. Perimeter Landscaping: Perimeter landscaping shall be required for all
developments, other than single family detached and duplex residential
development, in accordance with the following:
a. Non-residential adjacent to residential: Where a non-residential property
is adjacent to residential property a 30'wide buffer yard shall be provided.
The bufferyard shall consist of a berm or architectural masonry wall, at
least 3' in height as measured from the property line. The bufferyard shall
also consist of 2 shade trees, 5 evergreen trees and three ornamental trees
per 100 lineal feet of bufferyard.
b. Non-residential adjacent to a public right of way: Where a non-residential
property is adjacent to a public right-of-way, a landscape bufferyard shall
be provided and shall be the width of the required parking lot setbacks or
30'whichever is lessor. The bufferyard shall consist of one shade tree, one
evergreen tree and 33 shrubs per 100 lineal feet of bufferyard.
C. Multi-family residential adjacent to single family detached and duplex
residential: Where multi-family residential property is adjacent to single
family detached or duplex residential a 30' landscape bufferyard shall be
provided. The bufferyard shall consist of three shade trees, three
evergreen and two ornamental trees per 100 lineal feet of bufferyard.
3. Parking Lot Landscaping: All parking lots with ten(10) or more parking
spaces, shall provide landscaping in accordance with the following:
a. Interior Parking Lot Landscaping:
1. Interior Landscaping: One tree shall be provided for every 20
parking space and shall be planted within the interior of the
parking lot. Trees shall be located in landscape medians, which
have a minimum area of 190 square feet and a minimum dimension
of 10 feet. The landscape median shall be covered with shrubs,
round cover, turf or organic mulch.
2. Visibility: To ensure proper visibility within the parking lot, the
branches of trees shall start no less than six feet (6') above the
pavement and shrubs shall be maintained at a height of no greater
than 30" above the pavement.
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b. Perimeter Parking Lot Landscaping: When a parking lot,which is located
on a non-residential property, is adjacent to another non-residential
property, a 5' perimeter bufferyard shall be provided along the parking lot.
The buffer yard shall consist of two shade trees and 15 shrubs per 100
lineal feet of buffer yard.
4. Lot Landscaping: Lot landscaping shall be required for all developments other
than single family detached residential and duplex developments in accordance
with the following:
a. Multi-family: Two canopy trees and 15 shrubs shall be provided for every
four units.
b. Non-residential: Two shade trees and 15 shrubs shall be provided for
every 20,000 sf. of lot area.
5. Landscaping Adjacent to Primary and Secondary Arterials and Collector:
Residential lots which back up to an Arterial or Collector as defined in the
Yorkville Comprehensive Plan, shall provide a minimum 30' wide landscape
easement running the full length of the residential lots. This easement shall he
planted with 3 shade trees, 4 evergreens and 20 shrubs per 100 feet.
6. Storm Water Storage Basins: A 30'bufferyard shall be provided around storm
water storage basins which are within the front or side yard or 10' from side yard
with 1 tree per 30' foot of storm water basin within 30' of side yard to be planted
between storm water basin and adjacent side lot line. The bufferyard shall be
located above the average elevation between normal water level and the high
water line for retention basins and shall be located above the average elevation
between the lowest basin elevation and the high water line for detention basins. A
10'bufferyard may be allowed here with an additional 1 tree per 30' foot planted
within said 10'bufferyard for the full length of the reduced bufferyard allowed.
SECTION 3: GENERAL STANDARDS
1. Landscape Plan: A landscape plan shall be submitted for review and approval.
The landscape plan shall contain the following information:
a. The location and dimensions of all existing and proposed structures,
parking lots, sidewalks, ground signs, refuse disposal areas, free standing
electrical equipment, and other freestanding structural features.
b. Name, location, right-of-way and pavement widths of abutting streets.
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C. The current zoning and land use for adjoining properties and properties
located across abutting streets.
d. The location, quantity, size, and type (both botanical and common names)
of all existing landscaping to be preserved and all proposed landscaping to
be added.
e. The location and contours, at one-foot(1') intervals, of all proposed
berming and storm water detention/retention ponds.
f. Specification of the type and boundaries of all proposed ground cover.
g. Elevation and location of all existing and proposed fences.
h. Location of all existing and proposed utilities and easements.
i. Property line dimensions.
2. Quality: All trees shall be planted according to the minimum standards
established by the American Association of Nurserymen. Plant material shall be
grown in nurseries from the Central or Northern Illinois region.
3. Size: The size of plant material required by this ordinance shall be as follows:
Shade Tree - 2 1/2 cal. measured 6" above grade
Evergreen Tree - 8' height
Ornamental Tree - C height
Shrubs - 24"
4. Substitutions: For the purposes of providing flexibility in the landscape design
substitutions may be allowed at the following rates:
1 Tree equals 2 Evergreen Trees
1 Tree equals 2 Ornamental Trees
1 Tree equals 20 Shrubs
5. A mixture of trees is required so that a maximum of 33% of the total amount of
required trees should not be of the same species.
Inspection of the applicant's property will be conducted by the Development
Department after the installation of all materials by the applicant and again after at
least one (1) full growing season has passed.
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6. Alternative Methods of Compliance: Site conditions may arise where normal
compliance is impractical or impossible or where maximum achievement of the
City's objectives can only he obtained through alternative methods.
a. Requests for alternative methods of compliance may be considered by the
City for any application to which the requirements of the Ordinance apply
when one (1) or more of the following conditions are present:
1. Topography, soil, vegetation or other site conditions are such that
full compliance is impossible or impractical, or improved
environmental quality would result from the alternative
compliance.
2. Space limitations or the existing character surrounding
neighborhood may justify alternative compliance for infill sites and
for improvements or redevelopment in older developed areas.
3. A change of use on an existing site increases the screening required
to more than is feasible to provide.
4. Safety considerations make alternative methods of compliance
necessary.
b. Requests for alternative methods of compliance shall be accompanied by
sufficient explanation and justification, written and graphic, to allow
appropriate evaluation and decisions by the City Planner.
C. A proposed alternative compliance measure must be equal to or better than
normal compliance in terms of quality, effectiveness, durability, hardiness
and ability to meet the landscape standards of the Ordinance.
d. Alternative compliance shall be limited to the specific project under
consideration and shall not establish precedents for acceptance in other
eases.
7. Credit for Existing Vegetation: Credit shall be given for existing trees that are
preserved. Each tree that is preserved which is greater than 3" caliper and is a
permitted tree per section, shall be credited towards the required tree planting on a
tree for tree basis. Other existing vegetation may be credited towards the required
plantings subject to the review and approval of the City Planner.
8. Permitted Plantings: The plantings used to meet the requirements of this
ordinance shall be selected from the follow list of approved plant material.
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Shade Trees
Ash, Green Fraxinus pennsylvanica spp.
Ash, White Fraxmnus americana spp.
Coffeetree,Kentucky Gymnocladus dhioica
Ginkgo Ginko biloba
Hackberry Celtis occidentialis
Linden American Tilia americana spp.
Linden, Littecleaf Tilia cordata spp.
Linden, Silver Tilia tomentosa
Maple, Black Acer nigrum
Maple,Norway Acer platanoides spp.
Maple, Red Acer rubrum spp.
Maple, Sugar Acer saccharum spp.
Oak, Burr Quercus macrocarpa
Oak, Red Quercus rubra
Oak, Swamp White Quercus bicolor
Oak, White Quercus alba
Pear, Bradford Pyrus cahleiyana
Sycamore Platanus occidentahis
Tuliptree Liriodendron tuhipifera
Evergreen Trees
Fir, Douglas Pseudotsuga menziesii
Fir, White Abies coneolor
Pine, Austrian Pinus nigra
Pine, Scotch Pinus sylvestris
Pine, White Pinus strobus
Spruce, Blackhills Picea glauca"densata"
Spruce, Colorado Picea pungens
Spruce,Norway Picea abies
Spruce, White Picea glauca
Ornamental Trees
Alder Alnus glutinosa
Birch,River Malus spp.
Hawthorne,Downy Craetoegus mollis
Hawthorne, Washington Craetoegus phaenopynu,
Hawthorne, Thorn less Cockspur Crataegus crusgalli "inermis"
Hornbean, American Carpinus carolimana
Lilac, Japanese Tree Syringa reticulata
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Magnolia, Saucer Magnolia souulangiana
Magnolia, Star Magnolia stellata
Redbud Cercis canadensis
Serviceberry, apple Amelanchier grandiflora
Serviceberry, Shadblow Amelanchier canadensis
Shrubs
Those species and varieties hardy to USDA Zone 5.
Other plant material not listed may be allowed on a case by case basis as
determined by the City Planner.
9. Severability: The various parts, sections, and clauses of this Ordinance are
hereby declared to be severable. If any part, sentence, paragraph, section, or
clause is adjudged unconstitutional or invalid by a Court of competent
jurisdiction, the remainder of the Resolution shall not be affected thereby.
10. Repealer: Any Ordinance or parts thereof in conflict with the provisions of this
Ordinance are hereby repealed to the extent of such conflict.
P,-M,� �J DAVE DOCKSTADER
RICHARD STICKA MIKE ANDERSON
VALERIE BURD U�� ` N ROSE SPEARS
LARRY KOT THOMAS SOWINSKI A,
APPROVED by me, as Mayor of the United City of Yorkville, Kendall County, Illinois,
this LDay of , A.D. 2000.
MAYOR
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PASSED by the City Council of the United City of Yorkville, Kendall County, Illinois
this Day of , A.D. 2000.
Attest:
CITY CLERK
Prepared by:
Law Offices of Daniel J. Kramer
1107A S. Bridge Street
Yorkville, Illinois 60560
630.553.9500
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