Heads up: There are no amended sections in this chapter.
General site and building elements required to be accessible by the scoping provisions adopted by the administrative authority shall comply with the applicable provisions of Chapter 5.

502 Parking Spaces

AMENDMENT
This section has been amended at the state or city level.

502.1 General

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502.2 Vehicle Space Size

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502.3 Vehicle Space Marking

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502.4 Access Aisle

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502.4.1 Location

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502.4.2 Width

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502.4.3 Length

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502.4.4 Marking

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502.5 Floor Surfaces

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502.6 Vertical Clearance

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502.7 Identification

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502.8 Relationship to Accessible Routes

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502 Parking Spaces

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This section has been amended at the state or city level.

502.1 General

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This section has been amended at the state or city level.
Parking spaces shall comply with 502. Where parking spaces are marked with lines, width measurements of parking spaces and access aisles shall be made from the centerline of the markings.
EXCEPTION: Where parking spaces or access aisles are not adjacent to another parking space or access aisle, measurements shall be permitted to include the full width of the line defining the parking space or access aisle.

502.2 Vehicle Spaces

AMENDMENT
This section has been amended at the state or city level.
Vehicle parking spaces shall be either 8 feet (2440 mm) wide minimum or 11 feet (3350 mm) wide minimum, shall be marked to define the width, and shall have an adjacent access aisle complying with 502.3.
Figure 502.2
Vehicle Parking Spaces

502.3 Access Aisle

AMENDMENT
This section has been amended at the state or city level.
Access aisles serving parking spaces shall comply with 502.3. Access aisles shall adjoin an accessible route. Two parking spaces shall be permitted to share a common access aisle.
EXCEPTION: Diagonal parking spaces shall not share an access aisle. Access aisles serving diagonal accessible parking spaces shall be located on the passenger side of the vehicle space.
Figure 502.3 (a)
Parking Space Access Aisle
Figure 502.3 (b)
Diagonal Parking Space Access Aisle

502.3.1 Width

AMENDMENT
This section has been amended at the state or city level.
The combined width of an accessible parking space and its adjacent access aisle shall be 16 feet (4875 mm) minimum. Access aisles serving parking spaces that are 11 feet (3350 mm) wide minimum shall be 5 feet (1525 mm) wide minimum. Access aisles serving parking spaces that are less than 11 feet (3350 mm) wide shall be 8 feet (2440 mm) wide minimum.

502.3.2 Length

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Access aisles shall extend the full length of the parking spaces they serve.

502.3.3 Marking

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Access aisles shall be marked with diagonal striping so as to discourage parking in them. A high quality yellow paint recommended by the paint manufacturer for pavement striping shall be used.

502.3.4 Location

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Access aisles shall not overlap the vehicular way. Access aisles shall be permitted to be placed on either side of the parking space except for angled parking spaces required by 208.2.4 which shall have access aisles located on the passenger side of the parking spaces (see Figure 502.3 (b).)

502.4 Floor or Ground Surfaces

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Parking spaces and access aisles serving them shall comply with 302. Access aisles shall be at the same level as the parking spaces they serve. Changes in level are not permitted.
EXCEPTION: Slopes not steeper than 1:48 shall be permitted.

502.5 Vertical Clearance

AMENDMENT
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Parking spaces required by 208.2.4, and access aisles and vehicular routes serving them, shall provide a vertical clearance of 98 inches (2490 mm) minimum.

502.6 Identification

AMENDMENT
This section has been amended at the state or city level.
Accessible parking spaces shall be designated as reserved by providing a permanently mounted R7-8 (U.S. Department of Transportation standard; see Figure 502.6 (a)) sign which contains the international symbol of accessibility. Such signs shall exhibit the dollar amount of the fine as required by the Illinois Vehicle Code [625 ILCS 5/1124 and 301.1] or the higher amount if required by local ordinance (see Figure 502.6 (b)). Signs shall be vertically mounted on a post or wall at front center of the parking space, no more than 6 feet (1830 mm) horizontally from the front of the parking space and set a minimum of 5 feet (1525 mm) and a maximum of 9 feet (2745 mm) from finished grade to the bottom of the R7-8 sign.
Figure 502.6 (a)
Parking Sign

Legend and Border—Pantone 340C
International Symbol of Accessibility—White on Pantone 286 Background
Background—White
Reduce Spacing 80%

Note: This is a standard sign and may be ordered from any traffic sign supplier by number. The arrow may be

  • Omitted if there is only one accessible space.
  • Made to point in one direction.
  • Replaced by a range of time such as "9 AM-5 PM" where a part-time restriction exists.
The sign must be supplemented with the Illinois Standard R7-I101 plate showing the amount of the fine for illegally parking in the reserved accessible space(s).

Figure 502.6 (b)
Parking Fine Sign

502.7 Relationship to Accessible Routes

AMENDMENT
This section has been amended at the state or city level.
Parking spaces and access aisles shall be designed so that vehicles, when parked, cannot obstruct the required clear width of adjacent accessible routes.
Accessible passenger loading zones shall comply with Section 503.
Passenger loading zones shall provide a vehicular pull-up space 96 inches (2440 mm) minimum in width and 20 feet (6095 mm) minimum in length.

Passenger loading zones shall have an adjacent access aisle complying with Section 503.3.

FIG. 503.3

PASSENGER LOADING ZONE ACCESS AISLE

Access aisles shall adjoin an accessible route. Access aisles shall not overlap the vehicular way.
Access aisles serving vehicle pull-up spaces shall be 60 inches (1525 mm) minimum in width.
Access aisles shall be 20 feet (6095 mm) minimum in length.
Access aisles shall be marked so as to discourage parking in them.
Vehicle pull-up spaces and access aisles serving them shall comply with Section 302 and shall have slopes not steeper than 1:48. Access aisles shall be at the same level as the vehicle pull-up space they serve.

A vertical clearance of 114 inches (2895 mm) minimum shall be provided at the following locations:

  1. Vehicle pull-up spaces;
  2. The access aisles serving vehicle pull-up spaces;
  3. A vehicular route from an entrance to the passenger loading zone, and;
  4. A vehicular route from the passenger loading zone to a vehicular exit serving vehicle pull-up spaces.
Accessible stairs shall comply with Section 504.

All steps on a flight of stairs shall have uniform riser height and uniform tread depth. Risers shall be 4 inches (100 mm) minimum and 7 inches (180 mm) maximum in height. Treads shall be 11 inches (280 mm) minimum in depth.

FIG. 504.2

TREADS AND RISERS FOR ACCESSIBLE STAIRWAYS

Open risers shall not be permitted.
Stair treads shall comply with Section 302 and shall have a slope not steeper than 1:48.

The radius of curvature at the leading edge of the tread shall be 1/2 inch (13 mm) maximum. Nosings that project beyond risers shall have the underside of the leading edge curved or beveled. Risers shall be permitted to slope under the tread at an angle of 30 degrees maximum from vertical. The permitted projection of the nosing shall be 11/2 inches (38 mm) maximum over the tread or floor below.

FIG. 504.5

STAIR NOSINGS

The leading 2 inches (51 mm) of the tread shall have visual contrast of darkon-light or light-on-dark from the remainder of the tread.
Stairs shall have handrails complying with Section 505.
Stair treads and landings subject to wet conditions shall be designed to prevent the accumulation of water.
Lighting for interior stairways shall comply with Section 504.8.
Lighting facilities shall be capable of providing 10 foot-candles (108 lux) of illuminance measured at the center of tread surfaces and on landing surfaces within 24 inches (610 mm) of step nosings.
If provided, occupancysensing automatic controls shall activate the stairway lighting so the illuminance level required by Section 504.8.1 is provided on the entrance landing, each stair flight adjacent to the entrance landing, and on the landings above and below the entrance landing prior to any step being used.
Stair level identification signs in raised characters and braille complying with Sections 703.3 and 703.4 shall be located at each floor level landing in all enclosed stairways adjacent to the door leading from the stairwell into the corridor to identify the floor level. The exit door discharging to the outside or to the level of exit discharge shall have a sign with raised characters and braille stating "EXIT."
Handrails required by Section 405.8 for ramps, or Section 504.6 for stairs, shall comply with Section 505.

Handrails shall be provided on both sides of stairs and ramps.

EXCEPTIONS:

  1. In assembly seating areas, handrails shall not be required on both sides along aisle stairs, provided with a handrail either at the side or within the aisle.
  2. In assembly seating areas, handrails shall not be required on the sides of ramped aisles serving seats.

Handrails shall be continuous within the full length of each stair flight or ramp run. Inside handrails on switchback or dogleg stairs or ramps shall be continuous between flights or runs. Other handrails shall comply with Sections 505.10 and 307.

EXCEPTION: Handrails shall not be required to be continuous in aisles serving seating where handrails are discontinuous to provide access to seating and to permit crossovers within the aisles.

Top of gripping surfaces of handrails shall be 34 inches (865 mm) minimum and 38 inches (965 mm) maximum vertically above stair nosings, ramp surfaces and walking surfaces. Handrails shall be at a consistent height above stair nosings, ramp surfaces and walking surfaces.

FIG. 505.4

HANDRAIL HEIGHT

Clearance between handrail gripping surface and adjacent surfaces shall be 11/2 inches (38 mm) minimum.

FIG. 505.5

HANDRAIL CLEARANCE

Gripping surfaces shall be continuous, without interruption by newel posts, other construction elements, or obstructions.

EXCEPTIONS:

  1. 1. Handrail brackets or balusters attached to the bottom surface of the handrail shall not be considered obstructions, provided the brackets or balusters comply with the following criteria:
    1. Not more than 20 percent of the handrail length is obstructed,
    2. Horizontal projections beyond the sides of the handrail occur 11/2 inches (38 mm) minimum below the bottom of the handrail, and provided that for each 1/2 inch (13 mm) of additional handrail perimeter dimension above 4 inches (100 mm), the vertical clearance dimension of 11/2 inch (38 mm) can be reduced by 1/8 inch (3.2 mm), and
    3. Edges shall be rounded.
  2. 2. Where handrails are provided along walking surfaces with slopes not steeper than 1:20, the bottoms of handrail gripping surfaces shall be permitted to be obstructed along their entire length where they are integral to crash rails or bumper guards.

Handrails shall have a cross section complying with Section 505.7.1 or 505.7.2.

FIG. 505.7

HANDRAIL CROSS SECTION

Handrails with a circular cross section shall have an outside diameter of 11/4 inches (32 mm) minimum and 2 inches (51 mm) maximum.
Handrails with a noncircular cross section shall have a perimeter dimension of 4 inches (100 mm) minimum and 61/4 inches (160 mm) maximum, and a cross-section dimension of 21/4 inches (57 mm) maximum.
Handrails, and any wall or other surfaces adjacent to them, shall be free of any sharp or abrasive elements. Edges shall be rounded.
Handrails shall not rotate within their fittings.

Handrails shall extend beyond and in the same direction of stair flights and ramp runs in accordance with Section 505.10.

EXCEPTIONS:

  1. Continuous handrails at the inside turn of stairs and ramps.
  2. Handrail extensions are not required in aisles serving seating where the handrails are discontinuous to provide access to seating and to permit crossovers within the aisle.
  3. In alterations, full extensions of handrails shall not be required where such extensions would be hazardous due to plan configuration.

Ramp handrails shall extend horizontally above the landing 12 inches (305 mm) minimum beyond the top and bottom of ramp runs. Extensions shall return to a wall, guard, or floor, or shall be continuous to the handrail of an adjacent ramp run.

FIG. 505.10.1

TOP AND BOTTOM HANDRAIL EXTENSIONS AT RAMPS

At the top of a stair flight, handrails shall extend horizontally above the landing for 12 inches (305 mm) minimum beginning directly above the landing nosing. Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight.

FIG. 505.10.2

TOP HANDRAIL EXTENSIONS AT STAIRS

At the bottom of a stair flight, handrails shall extend at the slope of the stair flight for a horizontal distance equal to one tread depth beyond the bottom tread nosing. Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight.

FIG. 505.10.3

BOTTOM HANDRAIL EXTENSIONS AT STAIRS

Accessible windows shall have operable parts complying with Section 309.
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