Heads up: There are no amended sections in this chapter.
The provisions of Chapter 5 shall apply where required by Chapter 2 or where referenced by a requirement in this document.
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.
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
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
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.
Access aisles shall extend the full length of the parking spaces they serve.
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.
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).)
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.
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.
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.

Accessible Parking Signs (for parking lots subject to the Illinois Vehicle Code) shall comply with the R 7-8 sign shown in figure 502.6(a) (U.S. Department of Transportation Standard). Existing signs may remain, but their useful lives shall not be extended by other means than normal maintenance.



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
  1. • Omitted if there is only one accessible space.
  2. • Made to point in one direction.
  3. • 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 (a)
Parking Sign




COLOR LEGEND AND BORDER GREEN REFLECTORIZED
BACKGROUND WHITE REFLECTORIZED


SIGN SIZE DIMENSIONS
A B C D E
12X6 12.00 6.00 1.50 10.00 4.25


SIGN SIZE SERIES BY LINE MARGIN BORDER
1
12X6 2.5 B 0.375 0.438

                     All dimensions in inches.   Sign not to scale

Where a fine in excess of $250 is established by an agency in accordance with the statutes, the actual amount of the fine should be shown.

This plate may be mounted directly below the R7-8 sign or combined with that sign on a single 12 inch by 24 inch sign (R7-l101).
Figure 502.6 (b)
Parking Fine Sign
Parking spaces and access aisles shall be designed so that vehicles, when parked, cannot obstruct the required clear width of adjacent accessible routes.
Passenger loading zones shall comply with 503.
Passenger loading zones shall provide a vehicular pull-up space 96 inches (2440 mm) wide minimum and 20 feet (6100 mm) long minimum.
Passenger loading zones shall provide access aisles complying with 503 adjacent to the vehicle pull-up space. Access aisles shall adjoin an accessible route and shall not overlap the vehicular way.

Figure 503.3
Passenger Loading Zone Access Aisle
Access aisles serving vehicle pull-up spaces shall be 60 inches (1525 mm) wide minimum.
Access aisles shall extend the full length of the vehicle pull-up spaces they serve.
Access aisles shall be marked so as to discourage parking in them.
Vehicle pull-up spaces and access aisles serving them shall comply with 302. Access aisles shall be at the same level as the vehicle pull-up space they serve. Changes in level are not permitted.

EXCEPTION: Slopes not steeper than 1:48 shall be permitted.
Vehicle pull-up spaces, access aisles serving them, and a vehicular route from an entrance to the passenger loading zone, and from the passenger loading zone to a vehicular exit shall provide a vertical clearance of 114 inches (2895 mm) minimum.

Section 504 Stairways

ILLUSTRATION
Stairs shall comply with 504.
All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (100 mm) high minimum and 7 inches (180 mm) high maximum. Treads shall be 11 inches (280 mm) deep minimum.
Open risers are not permitted.
Stair treads shall comply with 302. Changes in level are not permitted.

EXCEPTION: Treads shall be permitted to 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 extend 11/2 inches (38 mm) maximum over the tread below.

Figure 504.5
Stair Nosings
Stairs shall have handrails complying with 505.
Stair treads and landings subject to wet conditions shall be designed to prevent the accumulation of water.

Section 505 Handrails

ILLUSTRATION
Handrails provided along walking surfaces complying with 403, required at ramps complying with 405, and required at stairs complying with 504 shall comply with 505.
Handrails shall be provided on both sides of stairs and ramps.

EXCEPTION: In assembly areas, handrails shall not be required on both sides of aisle ramps where a handrail is provided at either side or within the aisle width.
Handrails shall be continuous within the full length of each stair flight or ramp run. Inside handrails on switchback or dogleg stairs and ramps shall be continuous between flights or runs.

EXCEPTION: In assembly areas, handrails on ramps shall not be required to be continuous in aisles serving seating.
Top of gripping surfaces of handrails shall be 34 inches (865 mm) minimum and 38 inches (965 mm) maximum vertically above walking surfaces, stair nosings, and ramp surfaces. Handrails shall be at a consistent height above walking surfaces, stair nosings, and ramp surfaces.

Figure 505.4
Handrail Height
Clearance between handrail gripping surfaces and adjacent surfaces shall be 11/2 inches (38 mm) minimum.

Figure 505.5
Handrail Clearance

505.6 Gripping Surface

ILLUSTRATION
Handrail gripping surfaces shall be continuous along their length and shall not be obstructed along their tops or sides. The bottoms of handrail gripping surfaces shall not be obstructed for more than 20 percent of their length. Where provided, horizontal projections shall occur 11/2 inches (38 mm) minimum below the bottom of the handrail gripping surface.

EXCEPTIONS:
  1. 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.
  2. The distance between horizontal projections and the bottom of the gripping surface shall be permitted to be reduced by 1/8 inch (3.2 mm) for each 1/2 inch (13 mm) of additional handrail perimeter dimension that exceeds 4 inches (100 mm).
Figure 505.6
Horizontal Projections below Gripping Surface

505.7 Cross Section

ILLUSTRATION
Handrail gripping surfaces shall have a cross section complying with 505.7.1 or 505.7.2.
Handrail gripping surfaces with a circular cross section shall have an outside diameter of 11/4 inches (32 mm) minimum and 2 inches (51 mm) maximum.
Handrail gripping surfaces with a non-circular 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.

Figure 505.7.2
Handrail Non-Circular Cross Section
Handrail gripping surfaces and any surfaces adjacent to them shall be free of sharp or abrasive elements and shall have rounded edges.
Handrails shall not rotate within their fittings.
Handrail gripping surfaces shall extend beyond and in the same direction of stair flights and ramp runs in accordance with 505.10.

EXCEPTIONS:
  1. Extensions shall not be required for continuous handrails at the inside turn of switchback or dogleg stairs and ramps.
  2. In assembly areas, extensions shall not be required for ramp handrails in aisles serving seating where the handrails are discontinuous to provide access to seating and to permit crossovers within aisles.
  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 for 12 inches (305 mm) minimum beyond the top and bottom of ramp runs. Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent ramp run.

Figure 505.10.1
Top and Bottom Handrail Extension 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 first riser nosing. Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight.

Figure 505.10.2
Top Handrail Extension at Stairs
At the bottom of a stair flight, handrails shall extend at the slope of the stair flight for a horizontal distance at least equal to one tread depth beyond the last riser nosing. Extension shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent stair flight.


Note:X = tread depth
Figure 505.10.3
Bottom Handrail Extension at Stairs
Accessible means of egress shall comply with this section. Accessible spaces shall be provided with not less than one accessible means of egress. Where more than one means of egress are required by the applicable building code from any accessible space, each accessible portion of the space shall be served by not less than two accessible means of egress.

EXCEPTIONS:
  1. Accessible means of egress are not required to be provided in existing buildings.
  2. One accessible means of egress is required from an accessible mezzanine level in accordance with 506.3, 506.4 or 506.5.
  3. In assembly areas with ramped aisles or stepped aisles, one accessible means of egress is permitted where the common path of egress travel is accessible and meets the requirements of the applicable building code.
Each required accessible means of egress shall be continuous to a public way and shall consist of one or more of the following components:
  1. Accessible routes complying with Chapter 4.
  2. Interior exit stairways complying with 506.3 and the requirements of the applicable building code.
  3. Exit access stairways complying with 506.3 and the requirements of the applicable building code.
  4. Exterior exit stairways complying with 506.3 and the requirements of the applicable building code and serving levels other than the level of exit discharge.
  5. Elevators complying with 407 and 506.4.
  6. Platform lifts complying with 410 and 506.5.
  7. Horizontal exits complying with the requirements of the applicable building code.
  8. Ramps complying with 405 and the requirements of the applicable building code.
  9. Areas of refuge complying with 506.6.
  10. Exterior areas for assisted rescue complying with 506.7 serving exits at the level of exit discharge.
In buildings where a required accessible floor is four or more stories above or below a level of exit discharge, not less than one required accessible means of egress shall be an elevator complying with 506.4.

EXCEPTIONS:
  1. In buildings equipped throughout with a supervised automatic sprinkler system installed in accordance with the applicable building code, the elevator shall not be required on floors provided with a horizontal exit and located at or above the levels of exit discharge.
  2. In buildings equipped throughout with a supervised automatic sprinkler system installed in accordance with the applicable building code, the elevator shall not be required on floors provided with a ramp complying with 405 and the requirements of the applicable building code.
In order to be considered part of an accessible means of egress, a stairway between stories shall have a clear width of 48 inches (1219 mm) minimum between handrails and shall either incorporate an area of refuge within an enlarged floor-level landing or shall be accessed from an area of refuge complying with 506.6. Exit access stairways that connect levels in the same story are not permitted as part of an accessible means of egress.

EXCEPTIONS:
  1. Exit access stairways providing means of egress from mezzanines are permitted as part of an accessible means of egress.
  2. The clear width of 48 inches (1219 mm) between handrails is not required in buildings equipped throughout with a supervised automatic sprinkler system installed in accordance with the applicable building code.
  3. The clear width of 48 inches (1219 mm) between handrails is not required for stairways accessed from an area of refuge in conjunction with a horizontal exit.
  4. Areas of refuge are not required at exit access stairways where two-way communication is provided at the elevator landing in accordance with 506.8.
  5. Areas of refuge are not required at stairways in buildings equipped throughout with a supervised automatic sprinkler system installed in accordance with the applicable building code.
  6. Areas of refuge are not required at stairways serving open parking garages.
  7. Areas of refuge are not required for smoke-protected assembly seating areas complying with the requirements of the applicable building code.
  8. Areas of refuge are not required at stairways in residential multi-family occupancies.
  9. Areas of refuge are not required for stairways accessed from a refuge area in conjunction with a horizontal exit.
In order to be considered part of an accessible means of egress, an elevator shall comply with the emergency operation and signaling device requirements of Section 2.27 of ASME A17.1/CSA B44. Standby power complying with the requirements of the applicable building code shall be provided. The elevator shall be accessed from an area of refuge complying with 506.6.

EXCEPTIONS:
  1. Areas of refuge are not required at the elevator in open parking garages.
  2. Areas of refuge are not required in buildings and facilities equipped throughout with a supervised automatic sprinkler system installed in accordance with the applicable building code.
  3. Areas of refuge are not required at elevators that are not required by the applicable building code to be located in a shaft.
  4. Areas of refuge are not required at elevators serving smoke-protected assembly seating areas complying with the requirements of the applicable building code.
  5. Areas of refuge are not required for elevators accessed from a refuge area in conjunction with a horizontal exit.
Platform lifts complying with 410 shall be permitted to serve as part of an accessible means of egress where allowed as part of a required accessible route in 206.7 except for Item 206.7.10. Standby power complying with the requirements of the applicable building code shall be provided for the platform lift.'
Every required area of refuge shall be accessible from the space it serves by an accessible means of egress.
The maximum travel distance from any accessible space to an area of refuge shall not exceed the exit access travel distance permitted by the applicable building code for the occupancy.
Every required area of refuge shall have direct access to a stairway complying with 506.3 or an elevator complying with 506.4.
Each area of refuge shall be sized to accommodate one wheelchair space of 30 inches by 48 inches (762 mm by 1219 mm) for each 200 occupants or portion thereof, based on the occupant load of the area of refuge and areas served by the area of refuge. Such wheelchair spaces shall not reduce the means of egress minimum width or required capacity. Access to any of the required wheelchair spaces in an area of refuge shall not be obstructed by more than one adjoining wheelchair space.
Each area of refuge shall be separated from the remainder of the story by a smoke barrier or a horizontal exit complying with the requirements of the applicable building code. Each area of refuge shall be designed to minimize the intrusion of smoke.

EXCEPTIONS:
  1. Areas of refuge located within an enclosure for interior exit stairways complying with the requirements of the applicable building code.
  2. Areas of refuge in outdoor facilities where exit access is essentially open to the outside.
Areas of refuge shall be provided with a two-way communication system complying with 506.8.1 and 506.8.2.
Exterior areas for assisted rescue shall be accessed by an accessible route from the area served. Where the exit discharge does not include an accessible route from an exit located on the level of exit discharge to a public way, an exterior area of assisted rescue shall be provided on the exterior landing in accordance with 506.7.1 through 506.7.4.
Each exterior area for assisted rescue shall be sized to accommodate wheelchair spaces in accordance with 506.6.3.
Exterior walls separating the exterior area of assisted rescue from the interior of the building shall have a minimum fire-resistance rating of 1 hour, rated for exposure to fire from the inside. The fire-resistance-rated exterior wall construction shall extend horizontally 10 feet (3050 mm) beyond the landing on either side of the landing or equivalent fire-resistance-rated construction is permitted to extend out perpendicular to the exterior wall 4 feet (1220 mm) minimum on the side of the landing. The fire-resistance-rated construction shall extend vertically from the ground to a point 10 feet (3050 mm) above the floor level of the area for assisted rescue or to the roof line, whichever is lower. Openings within such fire-resistance-rated exterior walls shall be protected in accordance with the requirements of the applicable building code.
The exterior area for assisted rescue shall be open to the outside air. The sides other than the separation walls shall be not less than 50 percent open, and the open area shall be distributed so as to minimize the accumulation of smoke or toxic gases.
Stairways that are part of the means of egress for the exterior area for assisted rescue shall provide a clear width of 48 inches (1220 mm) between handrails.

EXCEPTION. The clear width of 48 inches (1220 mm) between handrails is not required at stairways serving buildings equipped throughout with a supervised automatic sprinkler system installed in accordance with the applicable building code.
A two-way communication system complying with 506.8.1 and 506.8.2 shall be provided at the landing serving each elevator or bank of elevators on each accessible floor that is one or more stories above or below the level of exit discharge.

EXCEPTIONS:
  1. Two-way communication systems are not required at the landing serving each elevator or bank of elevators where the two-way communication system is provided within areas of refuge in accordance with 506.6.5.
  2. Two-way communication systems are not required on floors provided with ramps complying with 405 and the requirements of the applicable building code.
  3. Two-way communication systems are not required at the landings serving only service elevators that are not designated as part of the accessible means of egress or serve as part of the required accessible route into a facility.
  4. Two-way communication systems are not required at the landings serving only freight elevators.
  5. Two-way communication systems are not required at the landing serving a private residence elevator.
Two-way communication systems shall provide communication between each required location and the fire command center or a central control point location approved by the fire department. Where the central control point is not a constantly attended location, a two-way communication system shall have a timed automatic telephone dial-out capability to a monitoring location or 9-1-1. The two-way communication system shall include both audible and visible signals. If a handset is provided, the handset cords shall be 29 inches (735 mm) long minimum.
Directions for the use of the two-way communication system, instructions for summoning assistance via the two-way communication system and written identification of the location shall be posted adjacent to the two-way communication system. Signage shall comply with 703.5 for visual characters.
Signage indicating special accessibility provisions shall be provided as shown:
  1. Each door providing access to an area of refuge from an adjacent floor area shall be identified by a sign stating: AREA OF REFUGE.
  2. Each door providing access to an exterior area for assisted rescue shall be identified by a sign stating: EXTERIOR AREA FOR ASSISTED RESCUE.
Signage shall comply with 703.5 for visual characters and include the International Symbol of Accessibility. Where exit sign illumination is required by the applicable building code, the signs shall be illuminated. Additionally, visual characters, raised characters and braille signage complying with 703 shall be located at each door to an area of refuge and exterior area for assisted rescue in accordance with the requirements of the applicable building code.
Directional signage indicating the location of all other means of egress and which of them are accessible means of egress shall be provided at the following:
  1. At exits serving a required accessible space but not providing an approved accessible means of egress.
  2. At elevator landings.
  3. Within areas of refuge.
In areas of refuge and exterior areas for assisted rescue, instructions on the use of the area under emergency conditions shall be posted. Signage shall comply with 703.5 for visual characters. The instructions shall include all of the following:
  1. Persons able to use the exit stairway do so as soon as possible, unless they are assisting others.
  2. Information on planned availability of assistance in the use of stairs or supervised operation of elevators and how to summon such assistance.
  3. Directions for use of the two-way communication system where provided.
UpCodes Premium
Leverage the most sophisticated code compliance platform.
TRY FREE FOR TWO WEEKS VISIT PRICING