17-10-1000  Parking area design.
   The parking area design standards of this section apply to all off-street parking areas.
   17-10-1001 Dimensions. Unless otherwise expressly stated, off-street parking areas must comply with the following standards:
Dimensions (in feet)
Parking Angle
45º
60º
90º
Dimensions (in feet)
Parking Angle
45º
60º
90º
A. Stall Depth to Wall
18.4
19.7
18
B. Stall Depth Parallel to Vehicle
18
18
18
C. Aisle Width [1][2]
12
16
22
D. Stall Depth to Interlock
16.4
18.2
18
E. Stall Depth Reduction due to Interlock
2
1.5
0
F. Stall Width (Parallel to Aisle)
11.3
11.1
8
G. Stall Width Perpendicular to Vehicle
8
8
8
 
Note: For bumper overhang deduct 2 feet from stall-depth-to-wall dimension and 4 feet from wall-to-wall dimensions.
[1] Aisle width standards for parking angles of 90º may be reduced to 20 feet when parking stall width is increased to 8.5 feet.
[2] Aisle width standards for indoor accessory parking garages in existing buildings that are being rehabbed for residential use may be reduced to 16 feet for parking angles of 90º.
Figure 17-10-1001
   17-10-1002 Materials and Surfacing. The materials used in the design of off-street parking and circulation areas must be easily maintained and indicative of their function.
      17-10-1002-A Surfacing. All off-street parking areas and driveways except those serving detached houses must be improved with a compacted base, not less than 4 inches thick, surfaced with asphaltic concrete, or a comparable all-weather dustless material. Sand or gravel is not considered dustless material.
      17-10-1002-B Maintenance. Parking lots must be maintained in a safe operating condition so as not to create a hazard or nuisance. All materials used in the design of paving, lighting fixtures, retaining walls, fences, curbs and benches must be continuously maintained and kept free of debris and hazards.
   17-10-1003 Vertical Clearance. All off-street parking spaces must have a vertical clearance of at least 7 feet.
   17-10-1004 Access. All off-street parking areas must be designed with appropriate means of vehicular access to a street or alley in a manner that will least interfere with traffic movements. No curb cut or driveway onto a public street property may exceed 25 feet in width.
   17-10-1005 Striping. All parking spaces must be clearly marked with striping. Stripes must have a minimum width of 4 inches. Parking stall widths may be measured from the center of the stripe.
   17-10-1006 Pedestrian Connections. Surface parking lots containing 150 parking space or more must be designed to provide protected walkways for pedestrians that link store entrances with parking spaces and with public sidewalks along adjacent streets.
   17-10-1007 Landscaping. Parking lot landscaping must be provided in accordance with Sec. 17-11-0200.
   17-10-1008 Plot Plan.
      17-10-1008-A Any application for a certificate of occupancy for any parking lot must include a plot plan – drawn to scale and fully dimensioned – showing all provisions for:
         1.   bumper guards;
         2.   markings;
         3.   surfacing;
         4.   screening and landscaping; and
         5.   lighting, in compliance with the regulations of this Zoning Ordinance.
      17-10-1008-B Any other application for a building permit, or for a certificate of occupancy when no building permit is required, must include a plot plan – drawn to scale and fully dimensioned – showing all off-street parking and loading facilities.
   17-10-1009 Multi-level Parking Garages. All parking garages containing 2 or more above-grade parking levels are subject to Site Plan Review pursuant to Sec. 17-13-0800. (See also Sec. 17-11-0206)
   17-10-1010 Automotive Lifts.
      17-10-1010-A. General.
         1.   Automotive lifts shall be used only as expressly provided in this Section 17-10-1010 or as expressly approved as part of a planned development. If an automotive lift(s) is expressly approved as part of a planned development, the automotive lift(s) shall be exempt from the standards of this Section 17-10-1010.
         2.   Automotive lifts shall be exempt from the following requirements of this code:
            (a)   the parking lot dimensions requirements of Section 17-10-1001;
            (b)   the parking lot surfacing requirements of Section 17-10-1002;
            (c)   the vertical clearance requirements of Section 17-10-1003;
            (d)   the striping requirements of Section 17-10-1005; and
            (e)   the maximum parking requirements of Sections 17-10-0205 and 17-10-0208 as they relate to the additional parking spaces provided by the use of automotive lifts.
         3.   Allowed automotive lifts shall be located wholly within an enclosed building and shall not be visible from outside the building or facility. For purposes of this item (3), an enclosed building shall include a parking facility as defined in Chapter 14B-2.
      17-10-1010-B. Use In Residential Buildings/Residential Use In Mixed-Use Buildings.
         1.   Automotive lifts in residential buildings shall be used only for accessory parking in excess of minimum off-street parking ratios and for any non-accessory parking permitted in the building. Automotive lifts in residential buildings shall not be used to satisfy minimum off-street parking ratios.
         2.   Allowed automotive lifts within residential buildings shall be operated by a valet or an attendant employed by the Equipment's owner or owned and operated by an owner or resident of a dwelling unit within the building.
      17-10-1010-C. Use In Non-Residential Buildings/Non-Residential Use In Mixed-Use Buildings.
         1.   In DX12, DC12, DX16 and DC16 district, automotive lifts may be used in non-residential buildings for any accessory parking and non-accessory parking permitted in the building.
         2.   Outside the DX12, DC12, DX16 and DC16 districts, automotive lifts may be used in non-residential buildings (i) only for accessory parking in excess of minimum off-street parking ratios; and (ii) for any non-accessory parking permitted in the building; provided, however, that automotive lifts may not be used in non-residential buildings to satisfy minimum off-street parking ratios.
         3.   Allowed automotive lifts within non-residential buildings shall be operated by a valet or an attendant employed by the Equipment's owner.
   17-10-1011 Electric Vehicle Equipment. This section shall apply to building permit applications for a new construction project that provides on-site parking as described in this section submitted after October 31, 2020.
      17-10-1011-A. Residential Buildings. New construction of a multi-unit residential building containing five or more dwelling units where on-site parking is provided shall install equipment so that at least 20 percent, and no less than one, of the parking spaces are either EVSE-Ready or EVSE-Installed.
      17-10-1011-B. Nonresidential Buildings. New construction of a building containing uses other than residential uses where 30 or more parking spaces are provided shall install equipment so that at least 20 percent of the parking spaces are either EVSE-Ready or EVSE-Installed.
      17-10-1011-C. Installation of EVSE-Ready or EVSE-Installed parking spaces shall neither increase nor reduce the number, layout, or design of accessible parking spaces required by Chapter 17-10-0900 or 14B-11 of the Municipal Code of Chicago, and any accessible EVSE-Ready or EVSE-Installed parking space shall also be available for use by an automobile that is not an electric vehicle provided such automobile bears an appropriate handicapped parking decal or device. If this section requires the installation of EVSE-Ready or EVSE-Installed parking spaces, then the number of accessible parking spaces required by Chapter 17-10-0900 or 14B-11 of the Municipal Code of Chicago that must also be EVSE-Ready or EVSE-Installed parking spaces is as follows:
 
Total EVSE-Ready or EVSE-Installed
Parking Spaces
Minimum Number of EVSE-Ready or EVSE-Installed Parking Spaces Required to Be Accessible Parking Spaces
1 to 50
1*
51 to 75
2
76 to 100
3
More than 100
3, plus 1 for every 60 additional EVSE-Ready or EVSE-Installed parking spaces
 
* An accessible parking space is not required by this section if no accessible parking spaces are required by Section 17-10-0902. For the first required accessible EVSE-Ready or EVSE-Installed parking space, the electric vehicle supply equipment infrastructure may be located so that the electric vehicle supply equipment will be located on an accessible route and may be shared by an accessible parking space and a parking space not required to be accessible. Otherwise, both an accessible parking space and a parking space not required to be accessible must be EVSE-Ready or EVSE-Installed.
 
(Added Coun. J. 5-26-04, p. 25275; Amend Coun. J. 6-29-05, p. 52355; Amend Coun. J. 9-13-06, p. 84870, § 2; Amend Coun. J. 4-10-19, p. 100029, Art. II, § 112; Amend Coun. J. 10-16-19, p. 7867, § 3; Amend Coun. J. 4-24-20, p. 16148, § 2)