Unified Development Ordinance Advisory Committee Packet 2022 05-19-22
UNIFIED DEVELOPMENT ORDINANCE
ADVISORY COMMITTEE AGENDA
Thursday, May 19, 2022
6:30 PM
Yorkville City Hall Council Chambers
800 Game Farm Road
Meeting Called to Order: 6:30 p.m.
Roll Call:
Establishment of Quorum
Previous meeting minutes: March 31, 2022
Citizen’s Comments:
1. Introduction
2. Review of Materials
a. Chapter 7: Subdivision Standards and Procedures Discussion
3. Committee Comments and Questions
4. Adjournment
United City of Yorkville
800 Game Farm Road
Yorkville, Illinois 60560
Telephone: 630-553-4350
www.yorkville.il.us
DRAFT
Page 1 of 4
MINUTES OF UNIFIED DEVELOPMENT ORDINANCE
ADVISORY COMMITTEE MEETING
Thursday, March 31, 2022 6:30pm
City Hall Council Chambers
800 Game Farm Road, Yorkville, Il
NOTE: In accordance with Public Act 101-0640 and Gubernatorial Disaster Proclamation issued by Governor
Pritzker pursuant to the powers vested in the Governor under the Illinois Emergency Management Agency Act,
the United City of Yorkville is encouraging social distancing by allowing remote attendance at the UDO
Advisory Committee meeting due to the ongoing Covid-19 pandemic.
Meeting Called to Order
The meeting was called to order at 6:30pm by Chairman Chris Funkhouser and a quorum was established.
Roll Call & Establishment of Quorum
Committee Members:
Chris Funkhouser, Chairman/Alderman/in-person
Jeff Olson, PZC Chairman/remote attendance
Deborah Horaz, PZC Member/remote attendance
Dan Transier, Alderman/in-person
Absent: David Schultz, Engineer-HR Green
Others Present:
Krysti Barksdale-Noble, Community Development Director/remote attendance
Jason Engberg, Senior Planner/in-person
Jackie Wells, Houseal Lavigne/in-person
Previous Meeting Minutes January 20, 2022
Chairman Funkhouser asked to add “Minutes of” before the “Unified Development Ordinance” heading. The
minutes and revision were then approved on a voice vote.
Citizens Comments None
1. Introduction
Mr. Engberg recapped the last meeting noting it was a discussion regarding signs and several revisions were
made. He then turned the meeting over to Ms. Wells.
2. Review of Materials
a. Chapter 6: Signs Discussion
Ms. Wells said her presentation reflects the changes made from feedback from the last meeting. She then began
the review and discussion.
Sign Area Chapter 10-6-2: Revisions: made the permanent sign area limit only applicable to the multi-unit
residential mixed use or non-residential uses. Section D was eliminated regarding irregularly shaped lots.
Permitted Sign Types (Section 10-6-4): Revisions: a new A4 was added allowing the Zoning Administrator to
determine whether a proposed sign is substantially similar to a listed sign. The Chapter was updated to include
M-1 and M-2 districts.
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Permitted Sign Types by District Table, (Section A): Revisions: updated M-1 and M-2 districts.
Permanent Sign Standards: Revisions: Wall Signs, Section A, revised maximum area from 60% of exterior
wall width to 75% of exterior wall, clarified standards for primary and secondary wall signs.
Discussion: Chairman Funkhouser said many businesses have signs protruding above the roof line and in some
instances, it is appropriate. He said there should be some regulation, some flexibility and be proportionate to
vertical clearance. Ms. Noble suggested that signs not meeting the clearance in protruding from the existing
building, would be exempt from the 10' clearance, being considerate of the existing structure. Mr. Engberg said
perhaps it should only apply to the primary sign.
Single Tenant Monument Signs & Multi-Tenan t Monument Signs: Revisions: The size was revised to 32 sq. ft.
regardless of district and incentives were added for higher quality materials. Landscape area for both types of
signs was revised from 50% of the sign area to 25%.
Discussion: Mr. Engberg said the city has many pole signs and is trying to encourage unique materials and
design. He said some of the pole signs would not be allowed under the current regulations. Ms. Wells
recommended larger signs with the use of higher quality materials and design itself. Materials could determine
the incremental increase in size, said Ms. Wells. Ms. Noble said the current height limit is 12 feet. The sign
width should not be restricted, but left to the business, commented Mr. Olson. Committee members wondered if
it's more cost effective and visible to have a taller, rather than wider sign. They asked how many sign permit
applications are received in a month, which is about 10. Ms. Horaz asked what constitutes “high quality' signs.
Ms. Wells listed some of the criteria to determine “high-quality”, including standardized color palettes chosen by
the business. It was decided to give a certain square footage for high quality as an incentive. Chairman
Funkhouser asked to have a key code for sign base vs. sign area.
Landscape Regulations for Monument Signs: Revisions: Based on committee feedback, staff reduced overall
requirement of sign area from 50% to 25%. Ms. Noble found landscaping standards from Lake Zurich that are
more detailed as where to landscaping is located.
Discussion: Mr. Transier favored the flexibility and wants to give businesses more options. Chairman
Funkhouser suggested omitting placement of plants, if the 'zone of landscaping' is shown. He also noted that
plants described as “native” are not really native, but are cultivated and non-native and Ms. Wells noted that in
the landscaping standards, it should say native or adapted rather than ornamental. Ms. Noble said the
landscaping around the sign should be capped at 36” height since it's usually near an entry and there is a need for
visibility. For flexibility, Mr. Funkhouser recommended against a 36” cap as long as the visibility “triangle” is
clear. He said that landscaping should be subject to the Zoning Administrator's approval. Ms. Noble noted the
ordinance requires a maximum 24” tall shrub. (??? 24” vs. 36”)
Pole and Pylon Signs:
Discussion: Ms. Wells noted these signs are prohibited now and several existing ones are legal non-conforming,
for which the city recently allowed improvement with electronic message boards. She asked if other
improvements should be required at the same time as the message boards. Mr. Engberg said in 2020, Paradise
Car Wash had a pole sign for which they wished to change the entire look. The city had to deny them because it
was a pole sign and they were doing major reconstruction. A text amendment was done to allow non-
conforming signs. Ms. Wells said the non-conforming signs should be allowed to undergo improvements.
Other committee members commented they were not in favor of pole signs.
Awning Signs, Canopy Signs, Projecting Signs: Revisions: Projecting signs will now have vertical clearance
reduced from 10' to 8' , internal illumination will be allowed and signs that protrude above the roof line will be
considered on a case-by-case basis.
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Window Signs: Revisions: Ms. Wells said the maximum sign area was increased from 25% to 50% of the
individual window sign area.
Discussion: Mr. Engberg noted that a permit is not required for window signs, but not more than 50% of the
total window can be used for the sign. Ms. Horaz asked if window signs invite more clutter, however, Ms. Noble
noted that some stores have limited window space. Committeeman Olson asked if the city would allow the same
signage size if the entire wall was a window—it would not be allowed. Ms. Noble said the window signs are
more cost-effective, are usually not permanent and also promote window shopping. It was suggested to reduce
the percentage, but if the sign exceeds that, then a permit should be required. Ms. Wells noted that temporary
window signs are no longer allowed. Mr. Transier asked if these prohibitions would allow painting of windows
for sports or holidays? Due to the Supreme Court decision, Ms. Wells said the painting would be allowed at a
temporary coverage at 25%. Some businesses may want to use window signs to block visibility for safety,
security, etc. Mr. Engberg said language to define “temporary” would be needed and enforcement could be an
issue if a permit is needed. Committee members discussed signs on blacked out windows. They agreed they do
not want to require permits for window signs, to lower the maximum sign area for window signs and add
allowance for plain window coverings.
On-site Travel Directional Signs: Revisions: Based on committee input, the maximum sign area was revised to
a maximum of 6 sq. ft. of sign area and a maximum height of 4 feet.
Temporary Signs Standards & General Standards for Permanent Temporary Signs: Revisions: eliminated
restriction on concurrent display periods and number per calendar year. Current regulations allow 30 day display
per year and 3 non-concurrent display periods per calendar year. Temporary signs were changed to 90 days.
Temporary Sign Types: Revisions: Wall -mounted banner, increase sign area from 2.5% to 7.5% of wall area in
specific districts and 5% to 10% on in other districts with 90-day display time. Ground-mounted: 90 days
display time. Mr. Engberg added that sign size for buildings far from the main road is based on ratios.
Feather Signs: Revisions: Maximum sign area changed from 16 sq. ft to 26 sq. ft. and maximum height from 8'
to 12'. Three are allowed if 16 sq. ft. or less and 1 sign if 16 sq. ft. or more. For multi-tenant, 3 feather signs
are allowed. The revision allows for 90 days in a calendar year and committee members suggested it should be
in a 30-day consecutive period. Sandwich boards do not need a permit and are to be placed outside each day
during business hours. Size was revised from 6 sq. ft. to 8 sq. ft., maximum height from 3' to 4', allow 2
sandwich board signs and eliminate restrictions of location relative to business. Ms. Horaz asked if portable
signs on wheels are allowed and Ms. Wells said that temporary sign type is not included in the code and not
allowed.
Miscellaneous Other Sign Changes:
Temporary Window Sign: eliminated
Post Sign: revised from 6 sq. ft. in all districts to 6 sq. ft. in residential and 16 sq. ft. for non-residential
Yard Sign: Increased height maximum from 3.5' to 4'
Cold Air Inflatables: This sign type that has been added, restriction of 72 hours and height maximum of 25'
Ms. Horaz asked about Happy Birthday and similar type of signs. Currently 2 yard signs next to each other are
allowed and the 5' setback is eliminated. More discussion is also needed on these.
Election Signs: Revisions: General election signs will be changed to just “election” signs and eliminate 5'
setback. A maximum display of 60 days before and 15 days after federal, state or local elections is allowed.
Committee discussed number of signs to be allowed and to be cautious as to not limit someone's free speech.
HOA's cannot exceed the number set by city regulations. The size is being restricted to 4 sq. ft. for any election
sign, however, during elections, a person can have two - 4 sq. ft. signs. Mr. Engberg also cited a limit of 20
signs in the Section 10-6-2 for temporary signs.
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General Sign Standards (Section 10-6-7): Revisions: Was 50% of sign area for permanent copy, revised to 80%
of sign. Sign illumination cannot be detectable across property lines.
Discussion: Ms. Horaz asked if there can be double-sided electronic boards and how the permit is handled. Ms.
Wells said the maximum sign area would be measured on one side of the sign. Ms. Horaz asked if electronic
signs are allowed on walls? If the code is passed as written now, those signs would become legally non-
conforming. Chairman Funkhouser suggested if businesses want that type of sign, they must forego a
monument sign with Ms. Wells adding that most communities are only allowing them on monument signs.
Consensus: electronic signs should generally be on monuments but, existing wall signs are legal non-
conforming.
Prohibited Signs & Content Section (Section 10-6-9): Revisions: Originally included off-premises signs and
billboards. Pending Supreme Court decision about off-premises signs and content neutrality of definition of off-
premise signs and to avoid any issues, the off-premises signs were eliminated and just billboards allowed. The
cold air inflatables were removed from the prohibited sign list. Ms. Horaz asked about the “rat” inflatables.
They cannot be restricted and are allowed to be up 72 hours and no more than 25' tall.
Ms. Wells said she does not anticipate the Supreme Court to change their stance on the content issue.
Regarding specific content, there is still a prohibited content section, so language was added to clarify if content
is prohibited or restricted by state. Mr. Transier asked who defines what is obscene and Ms. Wells replied there
is ample case law.
Safety, Maintenance, Abandonment (Section 10-6-10): Revisions: Requirement for landscape maintenance
was eliminated, allowance for inspection and removal by zoning administrator was eliminated to reflect what
city currently does.
3. Committee Comments and Questions
Ms. Horaz raised a concern about big apartment complexes and the affect the density has on traffic, schools, etc.
Currently Oswego is looking at these kinds of developments. Ms. Noble said this topic could be addressed at a
Planning and Zoning Commission meeting.
Next Step: Comments from Chapters 3, 4, and 5 will be sent to committee members for review and staff will be
reviewing subdivision standards. The next meeting will be in early May and meeting content will depend on
those comments and reviews.
4. Adjournment
There was no further business and the meeting adjourned at 8:33pm
Minutes respectfully submitted by Marlys Young, Minute Taker
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MEMORANDUM
Date: March 9, 2022 SENT VIA EMAIL
To: Krysti Barksdale-Noble, AICP
Community Development Director
United City of Yorkville, IL
From: Houseal Lavigne Associates
Jackie Wells, AICP, Project Manager
Ruben Shell, Lead Support
Re: Draft UDO Chapter 7 Proposed Changes Overview
Unified Development Ordinance Update
The purpose of this memorandum is to provide a description of the proposed revisions to Chapter 7.
Subdivision Standards of the City of Yorkville’s Unified Development Ordinance. The major changes are
described in each subsection of the proposed Chapter 7 below.
10-7-1 Intent and Purpose
This section largely retains the text of the existing 11-1-2: - Intent and Purpose, which describes the intent of
the subdivision regulations. The existing chapter contains several provisions that all improvements are
required to be installed by the developer and that conformance with City and County requirements outside
the UDO are required. These provisions have been consolidated in the intent and purpose section at the
beginning of the chapter.
10-7-2 Lots
This section retains the text in the existing section 11-5-9: - Lots of the existing subdivision standards, which
establish provisions for lot orientation and access relative to roads. Requirements for lots to be at right
angles to streets are retained. The existing provision discouraging double frontage and reverse frontage lots
is also retained, although requirements for screening when adjoining roadways is proposed to be added. The
existing requirement for lots to have public street access not including highways or major thoroughfares is
also retained.
10-7-3 Street Design and Improvements
This section contains new text to regulate the design of street networks and ensure adequate connectivity
throughout a subdivision.
New standards are proposed to specify that streets should relate to the existing topography and preserve
natural features and provide safety for a variety of travel modes. A connectivity index minimum of 1.2 is
proposed in subsection (A)(c). A connectivity index measures the ratio of the number of blocks (links) to the
number of intersections (nodes) in the street network. A higher connectivity index reflects a greater number
of blocks entering each intersection, and thus a higher level of connectivity for the neighborhood.
The existing maximum block length of 1,320 feet for nonresidential subdivisions is proposed to be retained,
and a shorter maximum block length of 800 feet is proposed for residential subdivisions to improve
neighborhood walkability.
Houseal Lavigne | Yorkville UDO Update Page 2 of 4
New standards are established in subsection (A)(5) to regulate the length of cul-de-sacs and require a turn-around radius.
Further, new sections are established in subsection (A)(6) to require that streets within a subdivision that terminate at the
subdivision’s perimeter be street stubs. The street stub standards ensure that the internal streets may be extended outside the
subdivision in the future and that street terminuses contain vehicle turnarounds.
Subsection (B) establishes new standards for the provision of different street design elements within subdivisions as listed below.
The requirements for each street design element reflects best practices from throughout the United States. For instance, bicycle
lanes are required to be at least four feet in width.
• Sidewalks
• Asphalt trails
• Bicycle lanes and shared bicycle/vehicle lanes
• Parkways between the roadway and adjoining sidewalks
• On-street parking
• Medians
Subsection (C) establishes minimum right-of-way and paving widths by street type, which were devised based on the standards
in Aurora, Illinois. The subsection also establishes the street design elements required for each street type. For instance,
sidewalks, parkways, and on-street parking are required for local residential streets, while shared bicycle and vehicle lanes are
required at the City’s discretion.
10-7-4 Circulation and Connectivity
The existing requirements for half streets are retained and alleys for commercial and industrial uses are proposed to be retained.
New standards are added to clarify that all alleys are privately maintained and to encourage alleys in the residential subdivisions.
10-7-5 Easements
The existing provisions regarding easements for stormwater control, watercourses, utilities, and transition areas are proposed to
be retained and reorganized for clarity.
10-7-6 Water, Sewer, and Stormwater
The existing provision regarding connections to water and sanitary sewers and required stormwater drainage are proposed to be
retained.
10-7-7 Cluster Development
A new cluster development subsection is added to allow flexibility in the base district dimensional standards when natural
resources are preserved. If only land in a flood hazard area is preserved, the gross density of the development is required to be
consistent with the base district. An additional density bonus is allowed when additional features such as wetlands, native
landscapes, mature tree stands, prime farmland, critical habitat, or others are placed in a conservation easement.
10-7-8 Anti-Monotony Standards
A new anti-monotony standards section is established to ensure building variety within individual subdivisions. The proposed
standards are based on standards used in Elwood and New Lennox, Illinois, and in Jenks, Oklahoma. The new standards
require that single-family detached or duplex uses within proximity along a street be visually differentiated from one another in
terms of roof type, height, and the location of windows and other features on the front elevation.
10-7-9 Parkland Provision
New standards are established to require the provision of park and recreation space and school sites within subdivisions. The
standards are based on those used in Woodridge, Illinois. Section (A)(1) establishes a minimum number of acres of park space
per 1,000 estimated number of residents within the subdivision, while subsection (B)(1) establishes a required dedication of land
for schools depending on the projected number of students in the subdivision. Subsection (D) provides estimates of the number
of residents by age range depending on the type of housing proposed within the subdivision. A fee in lieu procedure is also
included.
Houseal Lavigne | Yorkville UDO Update Page 3 of 4
Sections Removed From the Chapter
Several existing sections of the subdivision standards have been removed from the draft chapter, including the sections that
specify procedures and application requirements for subdivisions. These sections are proposed to be moved to the
administration and enforcement chapter.
United City of Yorkville Chapter 7. Subdivision Standards and Procedures
Unified Development Ordinance Update Page 1 of 11
DRAFT FOR REVIEW
REVIEW GUIDE
Existing Text
New Text
Deleted or Moved Text
References to be updated
Chapter 7. Subdivision Standards and Procedures
Intent and Purpose ............................................................................................................................................................... 1
Lots ………………………………………………………………………………………………………………………………………2
Street Design and Improvements ......................................................................................................................................... 3
Circulation and Connectivity ................................................................................................................................................. 6
Easements ............................................................................................................................................................................ 7
Water, Sewer, and Stormwater ............................................................................................................................................ 7
Cluster Development ............................................................................................................................................................ 8
Anti-Monotony Standards ..................................................................................................................................................... 9
Park and Recreation Land and School Site Dedication........................................................................................................ 9
Intent and Purpose
A. The regulations of this title Chapter are adopted to:
1. To Pprotect the interests of the landowner, the investor in land, the homeowner, and the municipal unit;
2. To Cconserve, protect, and enhance property and property values; to secure the most efficient use of land; and to
facilitate the provisions of public improvements;
3. To Pprovide for orderly growth and development; to afford adequate facilities for the safe and efficient means for traffic
circulation of the public; and to safeguard the public against flood damage;
4. PTo prescribe reasonable rules and regulations governing the subdivision and platting of land; the preparation of plats;
the location, width, and course of streets and highways; the installation of utilities, street pavements, and other
essential improvements; and the provision of necessary public grounds for schools, parks, playgrounds, and other
public open space; and
4.
5. ETo establish procedures for the submission, approval, and recording of plats, to provide the means for enforcement of
this title, and to provide penalties for violations.
B. Provision of Improvements. All improvements required by this Chapter shall be installed by the developer as part of a
Minor Subdivision detailed in Section 10-8-## or a Major Subdivision as detailed in Section 10-8-##.
B.C. Conformance With City’s Standard Specifications and Ordinances. All improvements required in this Chapter shall be
as specified in the City's standard specifications for improvements, the Kendall County Stormwater Management Ordinance,
and other applicable County ordinanceswhere applicable.
Commented [RS1]: General Question: 2016 Plan states that
tier 1, which are primarily SF housing, and tier 2 subdivisions,
which are primarily SF, Duplex, and Townhomes should be fully
built-out first through incentive programs before tier 3 subdivisions.
Is there a zoning approach to consider for this article?
Diagnostic memo states that we’ll consider an administrative
process for the restart of dormant subdivision developments to
implement this recommendation.
United City of Yorkville Chapter 7. Subdivision Standards and Procedures
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Lots
A. Conformance With District Standards. All lots shall meet the minimum depth, width, and area requirements of the zoning
ordinancegoverning district, unless otherwise approved as a cluster development.
B. Lot Size and Shape. The size, shape, and orientation of lots shall be appropriate for the location of the subdivision, and for
the type of development and use contemplated, as determined by the Planning Commission and City Council.
C. Street Frontage Required. Depth and width of properties reserved or laid out for commercial and industrial purposes shall
be adequate to provide for off-street service and parking facilities.
D. Major Road Frontage Prohibited. The fFronting of residential lots onto state and county highways or major thoroughfares,
major collectors as design in the comprehensive plan is prohibited. Each Also prohibited is the fronting of residential lots
onto any proposed major thoroughfare or major collectors, as designated by the comprehensive plan. sSubdivision
entrances for residential uses, and/or major entrances for commercial, industrial, and institutional uses shall be located no t
less than one thousand three hundred (1,300) feet apart, centerline to centerline, unless topography or existing street
locations dictate otherwise.
E. Right Angles Required. Excessive depth in relation to width shall be avoided.
F. All lots shall front or abut on a public street.
G.C. Side lot lines shall be substantially at right angles or radial to street lines.
D. Double Frontage and Reverse Frontage Lots .
1. Double frontage and reversed frontage lots shall be avoided, except where necessary to overcome specific
disadvantages of topography and orientation, and where a limited access highway, railroad right-of-way, major street,
or similar situation exists.;
2. In these instancesin which case, double frontage lots shall be provided with suitable screen planting when adjoining
roadways as follows:
a. Local or Collector Roads. Double frontage lots adjoining a local or collector road shall provide a type C transition
yard as specified in Table 10-5-2(F)(2).
b. Arterial Roads. Double frontage lots adjoining a local or collector road shall provide a type D transition yard as
specified in Table 10-5-2(F)(2).contained in a no access reservation strip along the rear property line and the
right-of-way. When deemed necessary by the Plan Commission,
1.3. Ddouble frontage lots shall have additional depth to further protect the proposed use from rear lot line traffic , as
deemed appropriate by the Plan Commission and City Council.
G. Subdivisions to Include Entirety of Parent Parcels. Subdivisions must include and plan for the entire parcel or parcel(s)
being divided, and may have noshall not exceptions or exclusionsde ; and shall not contain "leftover" pieces, corners, or
remnants portions of the parcelparcel or parcel(s) being divided from the subdivisionland.Lot widths shall be measured at
the building setback line, and may be reduced ten (10) percent at the end of a cul -de-sac, providing provided that the lot
area meets the requirements of the zoning ordinanceUDO.
H.
E. Access.
1. All lots shall front or abut on a public street.
Commented [BS2]: What does this mean?
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2. The fronting of residential lots on state and county highways or major thoroughfares, major collectors as designated in
the comprehensive plan is prohibited. Each subdivision entrance shall be located not less than one thousand three
hundred (1,300) feet apart, centerline to centerline, unless topography or existing street locations dictate otherwise.
Each lot, tract, or parcel shall be provided with access to a public street, approved private s treet, or highway.
3. Non-access provisions controlling ingress and egress to streets may be required by the Planning Commission and City
Council to assure traffic safety and to relieve congestion at intersections.
4. The distance between access points shall be approved by the City Engineer.
Street Design and Improvements
A. Street Network Design
1. General Street Layout.
a. In general, streets should be designed and located so that they relate to the topography, preserve natural features
such as streams and tree growth, and provide adequate public safety and convenience for motorists, cyclists, and
pedestrians alike.
b. The proposed street layout shall also be coordinated with the existing street system of the surrounding area.
Where a through street or a series of streets establishes a connection between two (2) public streets, such street
shall be a public street.
c. Connectivity Index. A connectivity index shall be used to determine the adequacy of street layout design. A
connectivity index is calculated as the ratio of the number of street links (road sections between intersections) in
the subdivision street layout divided by the number of street nodes (intersections and cul-de-sac heads). Streets
within a subdivision shall have a minimum connectivity index measurem ent of one and two-tenths (1.2).
2. Blocks.
a. Length.
i. Blocks in residential subdivisions shall not exceed eight hundred (800) feet in length.
ii. Blocks in nonresidential subdivisions shall not exceed one thousand three hundred twenty (1,320) feet in
length.
b. Width. Lots shall have sufficient width to provide two (2) tiers of lots of appropriate depth, except on boundaries of
a proposed subdivision or where required to separate and discourage through traffic between residential
subdivisions and nonresidential development.
The length, width, and shapes of blocks shall be such as are appropriate for the locality and the type of development
contemplated, but block length in residential areas shall not exceed one thousand three hundred twenty (1,320) feet,
nor have less than sufficient width to provide two (2) tiers of lots of appropriate depth between street lines, ex cept that
one (1) tier of lots may back onto a limited access highway, railroad right -of-way, or major street, provided suitable
screen planting contained in a no access reservation strip along the rear property line is provided.
3. Street Jogs. Street intersection jogs with centerline offsets of less than one hundred fifty (150) feet shall be prohibited.
Horizontal changes in alignment shall have a radius of twenty (20) feet to permit safe vehicular turning movements.
4. Street Intersections.
a. Streets shall be laid out so as to intersect as nearly as possible at right angles. Proposed intersections at angles
of less than eighty (80) degrees shall not be acceptable.
Commented [BS3]: Do we have example calculations of this?
Commented [BS4]: What does this mean?
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b. Property lines at minor street intersections shall be rounded with a minimum radius of twenty-five (25) feet.
Property lines at street intersections involving major streets and highways shall be rounded with a minimum radius
of thirty (30) feet.
5. Cul-de-sacs.
a. Cul-de-sacs shall not exceed five hundred (500) feet in length, measured from the entrance to the center of the
turn-around.
b. Cul-de-sacs shall have a turn-around radius at the property line of not less than fifty (50) feet.
c. Cul-de-sacs shall have a curb radius of not less than forty (40) feet.
6. Street Stubs.
a. In new developments the subdivider shall terminate streets as stubs at the outer perimeter boundaries of the
development based on the criteria below. If the street in question meets at least two (2) of the criteria, then the
street must be built to an appropriate collector street standard:
i. The street intersects directly with any street designated as an arterial street and provides access to an area
with an overall density of ten (10) dwelling units per acre or provides access to more than one hundred fifty
(150) dwelling units.
ii. The street by its general configuration, in relationship to the existing development of the area, serves any
collector function.
iii. The street extends into an undeveloped area in such a manner as to serve any future collector function.
iv. The street serves as the primary access to a significant nonresidential, institutional, or recreational land as
well as an access to a residential area of twenty (20) or more acres.
b. Street stubs shall be clearly demarcated and identified for future street extensio n by street signage.
c. All street stubs shall terminate with a turn-around for vehicles.
d. All stub streets shall conform to the City’s adopted version of the International Fire Code.
e. The City Engineer may deem that the street stub impractical due to topogra phic conditions, environmental
constraints, property shape, or property accessibility.
7. Dead End Streets. Dead end streets shall not be permitted except as street stubs per the requirements of this
section.where same will be eventually extended in adjacent unplatted areas. Such temporary dead-end streets shall
terminate with a turn-around.
B. General Improvement Requirements.
1. Sidewalks. Concrete sidewalks consisting ofshall be a width of at least five (5) feet in widthand as specified in the
City’s standards for improvements shall be installed by the developer within all subdivisions depending on the street
type.
1.2. Asphalt Trail. Asphalt trails shall beconsisting of a minimum width of eight feet shall be installed at least eight (8) feet
in width.
2.3. Bicycle Facilities.
a. Bicycle lanes shall havebe at least four (4) feet in width.
b. Shared bicycle and vehicle lanes and bike lanes shall be delineated in accordance with NACTO standards.
Commented [BS5]: Let’s discuss this one. Corner cuts versus
radii?
Commented [BS6]: Turn arounds need to meet current BKFD
equipment turning movements.
Commented [JW7]: QUESTION TO STAFF: Some
communities are asking for more than 5 feet for sidewalks – is
Yorkville interested?
Commented [BS8]: Shared-Use Paths??
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4. Parkways.
a. Parkways, shall be at least seven (7) feet in width, however, parkways may be reduced to five (5) feet in width
along minor streets or lower-traffic volume street types as approved by the City.
b. Parkways shall be located between the back of curb and sidewalk.
c. A minimum of one (1) canopy tree shall be planted per every forty (40) linear feet of parkway. Where overhead
utility line conflicts are present, a minimum of one (1) understory tree shall be planted every twenty (20) feet. The
spacing of trees shall take into consideration site-specific conditions and clear vision triangles.
d. A complete streetlight system shall be installed in the required parkway in all subdivisions.
5. On-Street Parking.
a. On-street parking shall be parallel.
b. On-street parking spaces shall have the following minimum dimensions:
i. Width: Eight (8) feet.
ii. Length: Twenty-three (23) feet.
c. On-street parking spaces shall be delineated with striping with a minimum width of four (4) inches.
d. The surfacing material of on-street parking spaces shall be textured to visually delineate parking spaces from
drive aisles.
6. Medians.
a. Medians shall have a minimum width of ten (10) feet.
b. Medians shall be planted with a minimum of fifteen (15) shrubs or native grasses every fifty (50) linear feet.
c. Medians shall be improved with a mountable curb with a minimum height of nine (9) inches and a gutter with a
minimum width of nine (9) inches.
d. Medians shall taper to a minimum of four (4) feet at intersections.
e. Medians shall be a minimum of ten (10) feet in width.
C. Street Design Requirements.
1. Right of-Way Widths. The minimum right-of-way widths of proposed streets shall be as detailed in Table 7-1-3(C)(1).
2. Paving Widths. The minimum paving widths from curb face shall be as detailed in Table 7 -1-3(C)(2).
Type of Street Maximum Right-of-Way Widths (Feet)
Arterial 100
Collector 85
Local Nonresidential 80
Local Residential 75
Table 10-7-3(C)(1): Minimum Right-of-Way Widths
Commented [BS9]: Would striping not take care of this also?
Commented [BS10]: Should be removed. This will be
addressed in the Standard Specifications.
Commented [BS11]: Noted twice.
Commented [JW12]: Revise street type names to be more
descriptive
Commented [BS13]: This should be discussed. What are the
reasons why we are changing from our current standards?
Commented [JW14]: Based on Aurora’s requirements
Commented [BS15]: This should be discussed. What are the
reasons why we are changing from our current standards?
United City of Yorkville Chapter 7. Subdivision Standards and Procedures
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DRAFT FOR REVIEW
3. Required Street Design Elements. Required street design elements shall be as established per street type in Table
##-##.
a. A “●” indicates an element that is required on one (1) side of a given street.
b. A “○” indicates an element that is required on both sides of a given street.
c. A “◊” indicates an element that is required.
d. A “□” indicates an element that is required at the discretion of the City.
Circulation and Connectivity
A. Half Streets.
1. Half streets shall be prohibited, except where the Plan Commission deems them essential to the reasonable
development of the subdivision, and in conformity with the other requirements of these regulations, and where the Plan
Commission finds it will be practicable to require the dedication of the other half when the adjoining proper ty is
subdivided.
2. A right-of-way width of not less than forty (40) feet, and a pavement width of not less than twenty -two and one-half
(22½) feet, shall be required for the half street.
3. Where a half street is adjacent to a tract to be subdivided, the other half of the street shall be platted and constructed
within such tract.
1.4. In cases where half streets are accepted, the owner and subdivider shall be required to grade and improve the half
street, the same as all other subdivision streets.
B. Alleys.
1. All Alleys. All alleys shall be privately maintained.
Type of Street Maximum Paving Width (Feet)
Arterial 49
Collector 41
Local Nonresidential 39
Local Residential 31
Table 10-7-3(C)(2): Minimum Paving Widths
Sidewalk Asphalt Trail Parkway Bicycle Lane
Shared Bicycle
& Vehicle Lane
On-Street
Parking Median
Freeway or Expressway
Arterial ••○○◊
Collector, Bike Lane & Median ••○○◊
Collector, On-Street Parking ••○□○
Local Nonresidential, Bike Lane & Median ○○○◊
Local Nonresidential, On-Street Parking ○○□○
Local Residential ○○□○
Table 10-7-3 (C)(3) Required Street Design Elements
Type of Street
Required Street Design Element
As required by the IDOT
Commented [BS16]: Is this section needed?
Commented [JW17]: QUESTION TO STAFF: Is this true
regardless of the roadway type?
United City of Yorkville Chapter 7. Subdivision Standards and Procedures
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DRAFT FOR REVIEW
1.2. Commercial and Industrial. Alleys shall be provided in all commercial and industrial districts, except that the City may
waive this requirement where another definite and assured provision is made for service access, such as off-street
loading and parking consistent with, and adequate for, the uses proposed.
2.3. Residential. Alleys are encouraged in subdivisions in the R-2D, R-3, and R-4 Districts and when provided shall have a
minimum right-of-way width twenty (20) feet. Alleys shall not be approved prohibited in residential areasthe A-1, R-1,
R-2, and R-2A Districts, unless deemed necessary by the City Engineer because of topography or other exceptional
circumstances.
4. Dead End. Dead end alleys shall be avoided where possible, but where unavoidable, shall be provided with an
adequate vehicle turn-around at the terminus as determined by the City Engineer. Dead end alleys shall be prohibited.
3. Obstructions. No obstructions shall be permitted in areas reserved for alleys.
4.5.
Easements
A. Utility Easements Required.
1. Utility eEasements at least ten (10) feet wide shall be provided at the rear of all lots . Such utility easement shall be at
least ten (10) feet wide on each lot, and normally centered upon the rear or side lot lines.
2. Utility easements may be required at other locations than the rear of lots and at greater widths than ten (10) feet to
accommodate proposed utilities and to provide space for future utilities, as deemed appropriate by the City Engineer.
3. Utility easements shall be provided along both sides of all rights-of-way in parkways as required in Section 10-7-3(E).
A. Stormwater Control Facilities Easements Required. Easements will shall be required for all stormwater control facilities
and for overflow routes. The City may require wider easements and easements at other locations to accommodate
proposed utilities and to provide space for future utilities.
B. Easements shall be provided at the side of all lots, and shall be at least five (5) feet wide on each lot, immediately adjacent
to the property line.
C.B. Easements shall be provided along both sides of all rights-of-way, immediately adjacent and parallel, to said right-of-way.
This easement shall be for utilities. Evidence shall be furnished to the Plan Commission that the individual utility companies
or the organization responsible for furnishing the service involved have reviewed easements, and any easem ent provisions
to be incorporated on the plat or in the deeds.
D.C. Watercourse Easements Required. Where a watercourse, drainage channel, stream, or other body of water traverses a
subdivision, appropriate dedications or appropriate dedications or easement provisionseasement, provisions, with adequate
width or construction to accommodate the observed, computed, or anticipated stormwater drainage through and from the
subdivision shall be made, shall be made. The width of the easement shall be dependentdepend on the area of land
drained by the watercourse, and wide enoughshall be of adequate width to allow access for construction and maintenance
equipment.
D. Transition Area Easements. Transition area easement(s) may be required in accordance with the standards of Section 10-
5-3(F). If said easement is to also be used for public utilities, only such plant materials that have an ultimate growth not
exceeding fifteen (15) feet shall be used.
Water, Sewer, and Stormwater
A. Water System Connection Required.
Commented [BS18]: Provided for all?
Commented [BS19]: Not always able to be centered.
Commented [BS20]: Side Yard Easement Requirements?
Commented [BS21]: Not in parkways…..private property.
Commented [RS22]: Relocate this provision to the application
requirements.
United City of Yorkville Chapter 7. Subdivision Standards and Procedures
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1. All parcels within a subdivisions and units therein shall be required to provide connectionconnect to the United City of
Yorkville's Public Water Supply System, including required water main extensions off -site, to the sizes required by the
City. , and all costs shall be borne by the developer.
2. All developments subdivisions must shall provide a looped, double fed water system, and extensions to the boundaries
of the development, as directed by the City, shall also be included in the water system, to be funded by the developer.
1. The water system shall be as specified in the City's standard specifications for improvements.
B. Sanitary Sewer Connection Required.
1. All subdivisions and units thereinparcels within a subdivision shall be required to provide connection to the sanitary
sewer system, including required sewer extensions off-site, to the sizes and depths as required by the City.
2. The sanitary sewers shall be extended to the far boundaries of the development, as directed by the City. All costs of
these improvements will be borne by the developer.
2. The sanitary sewer system shall be as specified in the City's standard specifications for improvements.
B.C. Stormwater Drainage Required.
1. Surface water drainage improvements consisting of storm sewers anor open channels, inlets, catch basins, manholes,
and/or detention facilities, shall be designed and constructed to adequately drain the area being developed, and also
all of any such other areas that naturally drain through the area being developed.
2. If the natural surface water drainage will be changed by the construction of the subdivision, adequate provision shall be
made for collection and diversion of such surface waters into public areas or drains which the subdivider has a right to
use. , and such Ssurface waters shall not be deposited on the property of adjoining landowners, in such a manner as
tothat causes erosion or other damage.
3. The Designed planningdesign of surface water drainage facilities shall be performed by, or under the supervision of, a
professional engineer, registered in the State of Illinois. The stormwater drainage system shall be as specified in the
City's standard specifications for improvements and the Kendall County stormwater management ordinance adopted
by reference in this Code.
4. It will be the homeowner's responsibility toThe property owner shall maintain any drainage course across theirhis
property, and to shall keep their propertyit free from features that restrict the natural drainage.
Cluster Development
Cluster development is allowed in residential subdivisions in the R-1, R-2, R-2A, and R-2D Districts to encourage and
accommodate, in a unified project, creative and imaginative approaches to development that preserve sensitive natural areas.
A. Resources to be Conserved. To qualify for cluster development any land located in a special flood hazard area, as
determined by the Federal Emergency Management Agency, shall be placed in a conservation easement.
A.B. Maximum Density per Acre. The gross density of a cluster development shall not exceed the maximum dwelling units per
acre detailed in Table 16-8-7(B).
Table 7-1-7(B): Maximum Density per Acre
District Maximum Density
R-1 4 dwelling units/acre
R-2 4.5 dwelling units/acre
R-2A 7 dwelling units/acre
R-2D 5 dwelling units/acre
Commented [BS23]: Is last part of the sentence needed?
Commented [JW24]: QUESTION TO STAFF: Are open
channels still desirable?
Commented [BS25R24]: Yes, they have there place.
Commented [JW26]: QUESTION TO STAFF: Should we
require they be stamped by a PE?
Commented [BS27R26]: All improvements are required to be
designed by a PE licensed in the state of Illinois.. I would
recommend this statement be removed.
Commented [RS28]: 2016 Comprehensive Plan – adopt new
subdivision codes that encourage quality development and protect
and preserve environmental assets as a goal.
Plan also states to adopt conservation subdivision design on pg.
119
Commented [RS29]: UDO Community engagement suggests
that smaller lot options such as 5,500 sq ft should be considered for
mixed housing development. How to incorporate.
United City of Yorkville Chapter 7. Subdivision Standards and Procedures
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C. Maximum Dimensional Standards Reduction. The dimensional standards established in Table 10-3-9 may be reduced by
thirty (30) percent or by the cumulative total land area to be placed in a conservation easement, whichever is less.
D. Density Bonus. The maximum gross density per acre, per district, may be exceeded by a maximum of thirty (30) percent if
a minimum of one (1) of the following sensitive natural areas are placed in a conservation easement. The maximum allowed
density bonus shall be as determined by the City Council and shall be directly tied to the amount of land area placed in a
conservation easement.
1. Wetlands,
2. Native landscapes,
3. Mature tree stands,
4. Prime farmland,
5. Critical habitat, and/or
6. Other as approved by the Zoning Administrator.
Anti-Monotony Standards
A. Building Variety Standards.
1. No new single-family detached or duplex dwelling units shall be similar in appearance to any other single-family
detached or duplex dwelling units within three (3) units on either side of the subject property or on any of the five (5)
units across the street from the subject property.
2. On cul-de-sac turnarounds, no single-family detached or duplex dwelling shall be similar in appearance to another
dwelling on the turnaround.
B. Similarity Standards. Any two (2) dwelling units shall be considered similar in appearance if they are identical or nearly
identical to one another in any three (3) of the following characteristics:
1. Roof type (gable, hip, mansard, gambrel, flat, combination);
2. Roof height;
3. Approximate dimensions (height and length) of the front wall closest to the front lot line;
4. Shape of the front elevation silhouette;
5. Relative location and size of windows on the front elevation;
6. Relative location and dimensions of garage door(s), if included on the front elevation; and
7. Type(s) of exterior building cladding materials on the front elevation.
Park and Recreation Land and School Site Dedication
As a condition of approval of a final plat of a subdivision, the developer shall dedicate land for park and recreational purposes
and for school sites to serve the needs of residents of the development, or a cash contribution in lieu of the land dedication, or a
combination of both, at the discretion of the City, in accordance with the criteria and formula below.
A. Criteria For Requiring Park and Recreation Land Dedication.
Commented [RS30]: Based on standards used in Elwood and
New Lennox and our's in Jenks.
Commented [RS31]: 2016 Comprehensive Plan – Include
open space provision requirements for all subdivision applications.
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1. Requirements and Population Ratio. The quantity of land required for park dedication shall result directly from the
total population of the proposed development. The total requirement shall be five and one half (5 ½) acres of land per
one thousand (1,000) residents. The required five and one-half (5 ½) acres shall be allocated into different types of
recreation areas as shown in Table #####, or as may be required by City Council at its discretion.
Table 10-7-9(A)(1): Parkland Dedication Requirements
Type of Recreation Area Size Range Minimum Acres Per 1,000 People
Play lot Minimum - 8,000 square feet n/a
School/park (neighborhood playground) Minimum - 5 acres 1.25
Neighborhood park Minimum - 3 1/2 acres 1
District-wide park or play field Minimum - 4 acres, up to 30 acres 1.25
Community-wide recreation park Minimum - 12 acres, up to 30 acres 2
Total 5.5
B. Criteria For School Site Dedication.
1. Requirement and Population Ratio. The required dedication of land for school sites shall depend on the quantity of
students projected to be generated within the subdivision. The land dedication requirement shall be determined by
obtaining the ratio of the maximum number of students to be served in each such school classification as defined in
Table ###-### and the minimum number of acres for a school site of each school classification defined in Table ###-
###. The product shall be the number of acres of land required for sufficient school sites to serve the estimated
children in each such school classification.
Table 10-7-9 (B)(1): School Dedication Requirements
School Classification Grade
Maximum Number of Students for
Each School Classification
Minimum Number of Land Acres for Each
School Site for Such Classification
Elementary Schools - Grades K-5 600 students 11 acres
Junior High Schools - Grades 6-8 900 students 19 acres
High Schools - Grades 9-12 2,300 students 48 acres
C. Contribution in Lieu Procedure. At the City’s discretion, it may require the developer to pay a contribution in lieu of the
land dedication required. The cash contribution required in lieu of park and recreation and/or school facilities shall be per the
fee schedule adopted by the City. The cash contributions in lieu of park and recreation land dedication shall be held in trust
solely for the acquisition of park and recreation land which will be available to serve the needs of the residents of the
subdivision.
D. Estimated Population Per Dwelling Unit. Table ###-### of population density shall be used to calculate the quantity of
dedicated acres of land for parkland or schools or to determine the required cash contribution in lieu of.
Table 10-7-9(D): Estimated Population Per Dwelling Unit
Type of Unit Preschool Elementary Junior High High School Adults Total Per Dwelling Unit
0-4 Years 5-10 Years 11-13 Years 14-17 Years 18+ Years All Ages
Dwelling, Single-Unit
2 Bedroom 0.113 0.136 0.048 0.020 1.700 2.017
3 Bedroom 0.292 0.369 0.173 0.184 1.881 2.899
4 Bedroom 0.418 0.530 0.298 0.360 2.158 3.764
5 Bedroom 0.283 0.345 0.248 0.300 2.594 3.770
Dwelling Duplex, Dwelling, Townhome
Commented [RS32]: Table of population per DU from
Woodridge IL subdivision standards.
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1 Bedroom 0.000 0.000 0.000 0.000 1.193 1.193
2 Bedroom 0.064 0.088 0.048 0.038 1.752 1.990
3 Bedroom 0.212 0.234 0.058 0.059 1.829 2.392
4 Bedroom 0.323 0.322 0.154 0.173 2.173 3.145
Dwelling, Multi-Unit
Efficiency 0.000 0.000 0.000 0.000 1.294 1.294
1 Bedroom 0.000 0.002 0.001 0.001 1.754 1.758
2 Bedroom 0.047 0.086 0.042 0.046 1.693 1.914
3 Bedroom 0.052 0.234 0.123 0.118 2.526 3.053