TITLE 18
BUILDING INFRASTRUCTURE
   Ch. 18-11   Accessibility
   Ch. 18-13   Reserved
   Ch. 18-14   Building Energy Use Benchmarking
   Ch. 18-27   Reserved
   Ch. 18-28   Mechanical Systems
   Ch. 18-29   Plumbing
   Ch. 18-30   Reserved
   Ch. 18-31   Reserved
   Ch. 18-32   Reserved
   Ch. 18-36   Reference Standards
CHAPTER 18-11
ACCESSIBILITY*
* Editor's note – Chapter 18-11, Accessibility, was added by Coun. J. 10-1-03, p. 8502, § 1, and was effective July 1, 2004.
18-11-1101   General.
18-11-1101.1   Scope.
18-11-1101.1.1   Applicability.
18-11-1101.1.2   Other laws.
18-11-1101.1.3   Regulations.
18-11-1101.2   Referenced standards.
18-11-1101.3   Design.
18-11-1101.3.1   Modifications to ICC/ANSI A117.1.
18-11-1102   Definitions.
18-11-1102.1   General.
18-11-1103   Scoping Requirements.
18-11-1103.1   Where required.
18-11-1103.1.1   Spaces used for different purposes.
18-11-1103.2   General exceptions.
18-11-1103.2.1   Specific requirements.
18-11-1103.2.2   Existing buildings.
18-11-1103.2.3   Work areas.
18-11-1103.2.4   Detached dwellings and townhouses.
18-11-1103.2.5   Utility buildings.
18-11-1103.2.6   Construction sites.
18-11-1103.2.7   Raised areas.
18-11-1103.2.8   Limited access spaces.
18-11-1103.2.9   Equipment spaces.
18-11-1103.2.10   Single occupant structures.
18-11-1103.2.11   Residential occupancy.
18-11-1103.2.12   Day care facilities and business occupancies in a dwelling unit.
18-11-1103.2.13   Fuel-dispensing systems.
18-11-1103.2.14   Recreation facilities.
18-11-1104   Accessible Route.
18-11-1104.1   Site arrival points.
18-11-1104.2   Within a site.
18-11-1104.3   Connected spaces.
18-11-1104.4   Multilevel buildings and facilities.
18-11-1104.5   Location.
18-11-1104.6   Protruding objects.
18-11-1104.6.1   Protrusion limits.
18-11-1104.6.2   Free-standing objects.
18-11-1104.6.3   Reduced vertical clearance.
18-11-1105   Accessible Entrances.
18-11-1105.1   Required.
18-11-1105.1.1   Public entrances.
18-11-1105.1.2   Based on number of exits.
18-11-1105.1.3   Parking structure entrances.
18-11-1105.1.4   Entrances from tunnels and elevated walkways.
18-11-1105.1.5   Transportation facilities.
18-11-1105.1.5.1   Location.
18-11-1105.1.5.2   Direct connections.
18-11-1105.1.6   Tenant spaces.
18-11-1105.1.7   Restricted entrances.
18-11-1105.1.8   Service entrances.
18-11-1105.1.9   Entrances for inmates or detainees.
18-11-1105.1.10   Other entrances.
18-11-1105.2   Dwelling units.
18-11-1105.3   Medical care facilities.
18-11-1105.4   Automatic doors.
18-11-1106   Parking and Passenger Loading Facilities.
18-11-1106.1   Required.
18-11-1106.2   Residential occupancies.
18-11-1106.3   Medical facilities.
18-11-1106.3.1   Outpatient facilities.
18-11-1106.3.2   Rehabilitation facilities and outpatient physical therapy facilities.
18-11-1106.4   Vertical clearance for vans.
18-11-1106.5   Location and dispersion.
18-11-1106.6   Passenger loading zones.
18-11-1106.6.1   Medical facilities.
18-11-1106.6.2   Valet parking.
18-11-1107   Dwelling Units and Sleeping Units.
18-11-1107.1   General.
18-11-1107.1.1   Connected buildings.
18-11-1107.2   Accessible spaces.
18-11-1107.3   Accessible route.
18-11-1107.4   Institutional occupancies.
18-11-1107.4.1   Sheltered care facilities.
18-11-1107.4.1.1   Accessible units.
18-11-1107.4.1.2   Type B units.
18-11-1107.4.2   Nursing homes.
18-11-1107.4.2.1   Accessible units.
18-11-1107.4.2.1.1   Accessible beds.
18-11-1107.4.2.2   Type B units.
18-11-1107.4.3   Hospitals.
18-11-1107.4.3.1   Accessible units.
18-11-1107.4.3.1.1   Accessible beds.
18-11-1107.4.3.2   Type B units.
18-11-1107.4.4   Rehabilitation facilities.
18-11-1107.4.4.1   Accessible beds.
18-11-1107.4.5   Residential restrained care facilities.
18-11-1107.4.5.1   Accessible Units.
18-11-1107.4.5.2   Special holding cells and special housing cells or rooms.
18-11-1107.4.5.3   Medical care facilities.
18-11-1107.4.6   Outpatient medical care facilities.
18-11-1107.4.6.1   Accessible beds.
18-11-1107.5   Residential occupancies.
18-11-1107.5.1   Hotels, motels and similar occupancies.
18-11-1107.5.1.1   Accessible units.
18-11-1107.5.1.1.1   Dispersion.
18-11-1107.5.1.1.2   Overlap.
18-11-1107.5.1.1.3   Seats in roll-in showers.
18-11-1107.5.1.2   Type B units.
18-11-1107.5.1.3   Accessible beds.
18-11-1107.5.1.3.1   Clear floor area.
18-11-1107.5.1.4   Doors into and within other units.
18-11-1107.5.2   Multiple dwellings.
18-11-1107.5.2.1   Accessible units in boarding houses, dormitories, fraternity houses and sorority houses.
18-11-1107.5.2.2   Type A units.
18-11-1107.5.2.3   Type B units.
18-11-1107.5.2.4   Visual alarms.
18-11-1107.5.3   Structures with four or more units.
18-11-1107.5.4   Planned developments.
18-11-1107.5.4.1   Type A units.
18-11-1107.5.4.1.1   Design criteria for attached multi-story single family units with separate means of egress.
18-11-1107.5.4.1.1.1   Accessible route to an entrance.
18-11-1107.5.4.1.1.2   Entrance.
18-11-1107.5.4.1.1.3   Habitable space on entrance level.
18-11-1107.5.4.1.1.4   Path of travel.
18-11-1107.5.4.1.1.5   Interior doorways.
18-11-1107.5.4.1.1.6   Toilet room.
18-11-1107.5.4.1.1.7   Kitchen.
18-11-1107.5.4.1.1.8   Controls.
18-11-1107.5.4.1.1.9   Access to other levels.
18-11-1107.5.4.2   Type B units.
18-11-1107.5.4.3   Visitable units.
18-11-1107.5.4.3.1   Accessible route to an entrance.
18-11-1107.5.4.3.2   Entrance.
18-11-1107.5.4.3.3   Habitable space on entrance level.
18-11-1107.5.4.3.4   Path of travel.
18-11-1107.5.4.3.5   Interior doorways.
18-11-1107.5.4.3.6   Toilet room.
18-11-1107.5.4.3.7   Reinforcement.
18-11-1107.5.4.3.8   Controls.
18-11-1107.5.4.4   Visual alarms.
18-11-1107.5.5   Housing owned or financed by a governmental unit and developments with affordable units.
18-11-1107.5.5.1   Type A units.
18-11-1107.5.5.2   Type B units.
18-11-1107.5.5.3   Visitable units.
18-11-1107.5.5.4   Visual alarms.
18-11-1107.5.5.5   Dwelling units provided by entities subject to HUD Section 504 regulations.
18-11-1107.5.5.5.1   Units with mobility features.
18-11-1107.5.5.5.2   Units with communication features.
18-11-1107.5.6   Residential care facilities.
18-11-1107.5.6.1   Accessible units.
18-11-1107.5.6.2   Type A units.
18-11-1107.5.6.3   Type B units.
18-11-1107.5.6.4   Family community homes.
18-11-1107.6   General exceptions.
18-11-1107.6.1   Buildings without elevator service.
18-11-1107.6.1.1   One story with Type B units required.
18-11-1107.6.1.2   Additional stories with Type B units.
18-11-1107.6.2   Multistory units.
18-11-1107.6.3   Elevator service to the lowest story with units.
18-11-1107.6.4   Site impracticality.
18-11-1107.6.5   Base flood elevation.
18-11-1107.7   Design criteria for Accessible units, Type A units and Type B units.
18-11-1107.7.1   Accessible units.
18-11-1107.7.2   Type A units.
18-11-1107.7.2.1   Accessible route to an entrance.
18-11-1107.7.2.2   Entrance.
18-11-1107.7.2.3   Habitable space on entrance level.
18-11-1107.7.2.4   Toilet rooms.
18-11-1107.7.2.5   Access to other levels.
18-11-1107.7.3   Type B Units.
18-11-1108   Specific Occupancies.
18-11-1108.1   General.
18-11-1108.2   Assembly area seating.
18-11-1108.2.1   Services.
18-11-1108.2.2   Wheelchair spaces.
18-11-1108.2.2.1   Number and location.
18-11-1108.2.2.1.1   General seating.
18-11-1108.2.2.1.2   Luxury boxes, club boxes and suites in arenas, stadiums and grandstands.
18-11-1108.2.2.1.3   Other boxes.
18-11-1108.2.2.2   Integration.
18-11-1108.2.2.3   Dispersion.
18-11-1108.2.2.3.1   Horizontal dispersion.
18-11-1108.2.2.3.2   Vertical dispersion.
18-11-1108.2.2.4   Lines of sight.
18-11-1108.2.2.4.1   Lines of sight over seated spectators.
18-11-1108.2.2.4.2   Lines of sight over standing spectators.
18-11-1108.2.3   Companion seats.
18-11-1108.2.4   Designated aisle seats.
18-11-1108.2.5   Lawn seating.
18-11-1108.2.6   Public address system.
18-11-1108.2.7   Assistive listening systems.
18-11-1108.2.7.1   Required systems.
18-11-1108.2.7.2   Receivers.
18-11-1108.2.8   Dining areas.
18-11-1108.2.8.1   Fixed or built-in seating or tables.
18-11-1108.2.8.2   Dining counters.
18-11-1108.2.8.3   Raised platforms.
18-11-1108.2.8.4   Space for vending machines and similar equipment.
18-11-1108.2.9   Recreation facilities.
18-11-1108.2.10   Press boxes.
18-11-1108.3   Self-service storage facilities.
18-11-1108.3.1   Dispersion.
18-11-1108.4   Museums and exhibition areas.
18-11-1108.5   Judicial facilities.
18-11-1108.5.1   Courtrooms.
18-11-1108.5.2   Holding cells.
18-11-1108.5.2.1   Central holding cells.
18-11-1108.5.2.2   Court-floor holding cells.
18-11-1108.5.3   Visiting areas.
18-11-1108.5.3.1   Cubicles and counters.
18-11-1108.5.3.2   Partitions.
18-11-1109   Other Features and Facilities.
18-11-1109.1   General.
18-11-1109.2   Toilet and bathing facilities.
18-11-1109.2.1   Unisex toilet and bathing rooms.
18-11-1109.2.1.1   Standard.
18-11-1109.2.1.2   Unisex toilet rooms.
18-11-1109.2.1.3   Unisex bathing rooms.
18-11-1109.2.1.4   Location.
18-11-1109.2.1.5   Prohibited location.
18-11-1109.2.1.6   Clear floor space.
18-11-1109.2.1.7   Privacy.
18-11-1109.2.2   Water closet compartment.
18-11-1109.2.3   Water temperature.
18-11-1109.2.4   Portable toilet and bathing units.
18-11-1109.3   Sinks.
18-11-1109.4   Kitchens, kitchenettes and wet bars.
18-11-1109.5   Drinking fountains and water coolers.
18-11-1109.5.1   Location on accessible route.
18-11-1109.5.2   Drinking fountains – minimum number.
18-11-1109.5.3   Water coolers – minimum number.
18-11-1109.6   Elevators.
18-11-1109.6.1   Elevator in exempt facility.
18-11-1109.6.2   Rails in elevator cars.
18-11-1109.6.3   Elevator within a dwelling unit.
18-11-1109.7   Lifts.
18-11-1109.8   Storage.
18-11-1109.8.1   Lockers.
18-11-1109.8.2   Shelving and display units.
18-11-1109.8.3   Coat hooks and folding shelves.
18-11-1109.9   Detectable warnings.
18-11-1109.9.1   Transit platforms.
18-11-1109.9.2   Stairways.
18-11-1109.9.2.1   Detectable warning standard for stairways.
18-11-1109.9.3   Cross walks.
18-11-1109.9.4   Reflecting pools.
18-11-1109.9.5   Doors to hazardous areas.
18-11-1109.10   Assembly area seating.
18-11-1109.11   Seating at tables, counters and work surfaces.
18-11-1109.11.1   Dispersion.
18-11-1109.12   Other service facilities.
18-11-1109.12.1   Dressing, fitting and locker rooms.
18-11-1109.12.2   Check-out aisles.
18-11-1109.12.3   Point of sales and service counters.
18-11-1109.12.4   Food service lines.
18-11-1109.12.5   Queue and waiting lines.
18-11-1109.12.6   Saunas and steam rooms.
18-11-1109.12.6.1   Wheelchair turning space.
18-11-1109.12.6.2   Bench.
18-11-1109.12.6.3   Door swing.
18-11-1109.13   Controls operating mechanisms and hardware.
18-11-1109.13.1   Operable windows.
18-11-1109.14   Recreational facilities.
18-11-1109.14.1   Facilities serving a single building.
18-11-1109.14.2   Facilities serving multiple buildings.
18-11-1109.14.3   Other occupancies.
18-11-1109.14.4   Campsites.
18-11-1109.15   Laundry equipment.
18-11-1109.16   Automatic teller machines and fare machines.
18-11-1109.17   Accessible means of egress.
18-11-1109.17.1   Exit access.
18-11-1109.17.2   Exceptions to required accessible means of egress.
18-11-1110   Signage.
18-11-1110.1   Signs.
18-11-1110.2   Directional signage.
18-11-1110.3   Other signs.
18-11-1111   Telephones.
18-11-1111.1   General.
18-11-1111.2   Wheelchair accessible telephones.
18-11-1111.3   Volume controls.
18-11-1111.4   TTYs.
18-11-1111.4.1   Bank requirement.
18-11-1111.4.2   Floor requirement.
18-11-1111.4.3   Building requirement.
18-11-1111.4.4   Site requirement.
18-11-1111.4.5   Rest stops, emergency road stops, and service plazas.
18-11-1111.4.6   Hospitals.
18-11-1111.4.7   Transportation facilities.
18-11-1111.4.8   Assembly occupancies and covered malls.
18-11-1111.4.9   Detention and correctional facilities.
18-11-1111.4.10   Signs.
18-11-1111.5   Shelves for portable TTYs.
18-11-1111.6   Telephone books.
18-11-1112   Public Rights-of-Way.
18-11-1112.1   Required accessible elements.
18-11-1112.2   Sidewalks.
18-11-1112.2.1   Clear width.
18-11-1112.2.2   Cross slope.
18-11-1112.2.3   Running grade.
18-11-1112.2.4   Surfaces.
18-11-1112.2.5   Gaps at rail crossings.
18-11-1112.3   Protruding objects.
18-11-1112.4   Street crossings.
18-11-1112.5   Furniture and fixtures.
18-11-1112.5.1   Clear floor or ground space.
18-11-1112.5.2   Drinking fountains.
18-11-1112.5.3   Public toilet facilities.
18-11-1112.5.4   Public telephones.
18-11-1112.5.5   Tables, counters and work surfaces.
18-11-1112.5.6   Sales and service counters.
18-11-1112.5.7   Benches.
18-11-1112.6   Bus stops and terminals.
18-11-1112.6.1   Bus stop boarding and alighting areas.
18-11-1112.6.1.1   Surface.
18-11-1112.6.1.2   Dimensions.
18-11-1112.6.1.3   Connection.
18-11-1112.6.1.4   Slope.
18-11-1112.6.2   Bus shelters.
18-11-1112.6.3   Signs.
18-11-1112.6.4   Bus stop siting.
18-11-1112.7   Waterfront walkways.
18-11-1112.7.1   Pedestrian route.
18-11-1112.7.2   Connection to public way.
18-11-1112.7.3   Connection to facilities.
18-11-1113   Fixed Transportation Facilities and Stations.
18-11-1113.1   General.
18-11-1113.2   New construction.
18-11-1113.2.1   Station entrances.
18-11-1113.2.2   Signs.
18-11-1113.2.2.1   Tactile signs.
18-11-1113.2.2.2   Identification signs.
18-11-1113.2.2.3   Routes and destinations.
18-11-1113.2.2.4   Directions and information.
18-11-1113.2.3   Fare machines.
18-11-1113.2.4   Rail-to-platform height.
18-11-1113.2.5   TTYs.
18-11-1113.2.6   Track crossings.
18-11-1113.2.7   Public address systems.
18-11-1113.2.8   Clocks.
18-11-1113.2.9   Escalators.
18-11-1113.3   Existing facilities: key stations.
18-11-1113.3.1   Accessible route.
18-11-1113.3.2   Rail-to-platform height.
18-11-1113.3.3   Direct connections.
18-11-1113.4   Existing facilities: alterations.
18-11-1114   Airports.
18-11-1114.1   New construction.
18-11-1114.2   TTYs.
18-11-1114.3   Terminal information systems.
18-11-1114.4   Clocks.
18-11-1115   Play Areas.
18-11-1115.1   General.
18-11-1115.2   Ground level play components.
18-11-1115.2.1   General.
18-11-1115.2.2   Additional number and types.
18-11-1115.3   Elevated play components.
18-11-1115.4   Accessible routes.
18-11-1115.4.1   Location.
18-11-1115.4.2   Protrusions.
18-11-1115.4.3   Clear width.
18-11-1115.4.3.1   Ground level.
18-11-1115.4.3.2   Elevated.
18-11-1115.4.4   Ramp slope and rise.
18-11-1115.4.4.1   Ground level.
18-11-1115.4.4.2   Elevated.
18-11-1115.4.5   Handrails.
18-11-1115.4.5.1   Handrail gripping surface.
18-11-1115.4.5.2   Handrail height.
18-11-1115.5   Transfer systems.
18-11-1115.5.1   Transfer platforms.
18-11-1115.5.1.1   Size.
18-11-1115.5.1.2   Height.
18-11-1115.5.1.3   Transfer space.
18-11-1115.5.1.4   Transfer supports.
18-11-1115.5.2   Transfer steps.
18-11-1115.5.2.1   Size.
18-11-1115.5.2.2   Height.
18-11-1115.5.2.3   Transfer supports.
18-11-1115.6   Play components.
18-11-1115.6.1   Maneuvering space.
18-11-1115.6.2   Clear floor or ground space.
18-11-1115.6.3   Height and clearances of play tables.
18-11-1115.6.4   Height of entry points and seats.
18-11-1115.6.5   Transfer supports.
18-11-1115.7   Ground surfaces.
18-11-1115.7.1   Standard.
18-11-1115.7.2   Use zones.
18-11-1115.8   Soft contained play structures.
18-11-1115.8.1   Accessible routes to entry points.
18-11-1116   Recreation Facilities.
18-11-1116.1   General.
18-11-1116.2   Amusement rides.
18-11-1116.2.1   Alterations to amusement rides.
18-11-1116.2.2   Number required.
18-11-1116.2.3   Accessible route.
18-11-1116.2.4   Load and unload areas.
18-11-1116.2.5   Signage.
18-11-1116.2.6   Amusement rides with a wheelchair spaces.
18-11-1116.2.6.1   Floor or ground surface.
18-11-1116.2.6.1.1   Slope.
18-11-1116.2.6.2   Clearances.
18-11-1116.2.6.2.1   Width and length.
18-11-1116.2.6.2.2   Wheelchair spaces – side entry.
18-11-1116.2.6.2.3   Protrusions in wheelchair spaces.
18-11-1116.2.6.3   Opening.
18-11-1116.2.6.4   Approach.
18-11-1116.2.6.5   Companion seats.
18-11-1116.2.6.5.1   Shoulder-to-shoulder seating.
18-11-1116.2.7   Amusement ride seats designed for transfer or for use with a transfer device.
18-11-1116.2.7.1   Clear floor or ground space.
18-11-1116.2.7.2   Transfer height.
18-11-1116.2.7.3   Transfer entry.
18-11-1116.2.7.4   Wheelchair storage space.
18-11-1116.3   Boating facilities.
18-11-1116.3.1   Accessible route.
18-11-1116.3.2   Boat slips: minimum number.
18-11-1116.3.2.1   Dispersion.
18-11-1116.3.3   Boarding piers at boat launch ramps.
18-11-1116.3.3.1   Boarding pier clearances.
18-11-1116.3.4   Accessible boat slips.
18-11-1116.3.4.1   Clearances.
18-11-1116.3.4.2   Cleats and other boat securement devices.
18-11-1116.4   Fishing piers and platforms.
18-11-1116.4.1   Accessible route.
18-11-1116.4.2   Railings.
18-11-1116.4.2.1   Edge protection.
18-11-1116.4.2.2   Height.
18-11-1116.4.2.3   Dispersion.
18-11-1116.4.3   Clear floor or ground space.
18-11-1116.4.4   Maneuvering space.
18-11-1116.5   Golf.
18-11-1116.5.1   Accessible route – golf course.
18-11-1116.5.2   Accessible route – driving ranges.
18-11-1116.5.3   Teeing grounds.
18-11-1116.5.3.1   Number required.
18-11-1116.5.3.2   Forward teeing ground.
18-11-1116.5.3.3   Teeing grounds.
18-11-1116.5.4   Teeing stations at driving ranges and practice teeing grounds.
18-11-1116.5.5   Weather shelters.
18-11-1116.5.6   Golf car passage.
18-11-1116.5.6.1   Width.
18-11-1116.5.7   Putting greens.
18-11-1116.6   Miniature golf.
18-11-1116.6.1   Accessible holes.
18-11-1116.6.1.1   Minimum number of accessible holes.
18-11-1116.6.1.2   Additional accessible holes.
18-11-1116.6.1.3   Consecutive accessible holes.
18-11-1116.6.2   Accessible route.
18-11-1116.6.3   Start of play areas.
18-11-1116.6.4   Golf club reach range.
18-11-1116.7   Exercise equipment and machines, bowling lanes, and shooting facilities.
18-11-1116.7.1   Exercise equipment and machines.
18-11-1116.7.2   Bowling lanes.
18-11-1116.7.3   Shooting facilities.
18-11-1116.7.3.1   Fixed firing position.
18-11-1116.8   Swimming pools, wading pools, and spas.
18-11-1116.8.1   Swimming pools.
18-11-1116.8.2   Wading pools.
18-11-1116.8.3   Spas.
18-11-1116.8.4   Pool lifts.
18-11-1116.8.4.1   Pool lift location.
18-11-1116.8.4.2   Seat location.
18-11-1116.8.4.3   Clear deck space.
18-11-1116.8.4.4   Seat height.
18-11-1116.8.4.5   Seat width.
18-11-1116.8.4.6   Footrests and armrests.
18-11-1116.8.4.7   Operation.
18-11-1116.8.4.8   Submerged depth.
18-11-1116.8.4.9   Lifting capacity.
18-11-1116.8.5   Sloped entries.
18-11-1116.8.5.1   Sloped entries.
18-11-1116.8.5.2   Submerged depth.
18-11-1116.8.5.3   Handrails.
18-11-1116.8.6   Transfer walls.
18-11-1116.8.6.1   Clear deck space.
18-11-1116.8.6.2   Height.
18-11-1116.8.6.3   Wall depth and length.
18-11-1116.8.6.4   Surface.
18-11-1116.8.6.5   Grab bars.
18-11-1116.8.7   Transfer systems.
18-11-1116.8.7.1   Transfer platform.
18-11-1116.8.7.2   Clear deck space.
18-11-1116.8.7.3   Height.
18-11-1116.8.7.4   Transfer steps.
18-11-1116.8.7.5   Surface.
18-11-1116.8.7.6   Size.
18-11-1116.8.7.7   Grab bars.
18-11-1116.8.8   Pool stairs.
18-11-1116.8.8.1   Pool stairs.
18-11-1116.8.8.2   Handrails.
18-11-1116.8.9   Water play components.
18-11-1117   Existing Facilities.
18-11-1117.1   Scope.
18-11-1117.1.1   Maintenance.
18-11-1117.2   Repairs.
18-11-1117.3   Alterations – Level 1.
18-11-1117.3.1   Extent of application.
18-11-1117.3.2   Tenant finishing work.
18-11-1117.3.3   Scope.
18-11-1117.3.3.1   State-owned facilities.
18-11-1117.3.3.2   Non-State-owned facilities – cost under $100,000.
18-11-1117.3.3.3   Non-State-owned facilities – cost of $100,000 or more.
18-11-1117.3.4   Alterations affecting an area containing a primary function.
18-11-1117.3.5   Specific provisions for alterations.
18-11-1117.3.5.1   Elevators.
18-11-1117.3.5.2   Platform lifts.
18-11-1117.3.5.3   Stairs and escalators in existing buildings.
18-11-1117.3.5.4   Ramps.
18-11-1117.3.5.5   Dining areas.
18-11-1117.3.5.6   Performance areas.
18-11-1117.3.5.7   Assembly areas.
18-11-1117.3.5.8   Dwelling or sleeping units.
18-11-1117.3.5.9   Toilet rooms.
18-11-1117.3.5.10   Dressing, fitting and locker rooms.
18-11-1117.3.5.11   Check-out aisles.
18-11-1117.3.5.12   Dispersion of seating at fixed or built-in tables, counters, or work surfaces.
18-11-1117.3.5.13   Sales and service counters.
18-11-1117.3.5.14   Thresholds.
18-11-1117.3.5.15   Entrances to tenant spaces.
18-11-1117.3.5.16   Site improvements and exterior facilities.
18-11-1117.3.5.16.3   Parking lots.
18-11-1117.3.5.16.4   Accessible routes.
18-11-1117.3.5.17   Play areas.
18-11-1117.3.5.18   Recreation facilities.
18-11-1117.3.6   Rail transportation facilities.
18-11-1117.4   Alterations – Level 2.
18-11-1117.5   Alterations – Level 3.
18-11-1117.6   Change of occupancy.
18-11-1117.6.1   Accessibility.
18-11-1117.6.2   Technically infeasible.
18-11-1117.7   Additions.
18-11-1117.7.1   Entrances.
18-11-1117.7.2   Accessible route.
18-11-1117.7.3   Toilet and bathing facilities.
18-11-1117.7.4   Creation of nonconformity.
18-11-1117.7.5   Type B units.
18-11-1118   Historic Buildings.
18-11-1118.1   Change of occupancy.
18-11-1118.2   Alterations and accessibility.
18-11-1118.2.1   Minimum requirements.
18-11-1118.2.1.1   Compliance with provisions for new construction.
18-11-1118.2.1.2   Alternative requirements.
18-11-1118.2.2   Scope.
18-11-1118.2.2.1   All historic buildings – alteration costs 15 percent or less.
18-11-1118.2.2.2   Historically interpreted buildings – alteration costs 15 percent or more.
18-11-1118.2.2.2.1   Accessible route to displays.
18-11-1118.2.2.2.2   Audible and visual information source.
18-11-1118.2.2.2.3   Location of displays and information.
18-11-1118.2.2.2.4   Toilet facilities.
18-11-1118.2.2.2.5   Drinking fountain.
18-11-1118.2.2.2.6   Parking.
18-11-1118.2.2.2.7   Accessible route from parking.
18-11-1118.2.2.2.8   Alternative requirements.
18-11-1118.2.2.3   Other historic buildings – alteration costs 15 percent or more.
18-11-1118.2.2.4   Additional specific provisions for alterations.
18-11-1118.2.2.4.1   Stair handrail extensions.
18-11-1118.2.2.4.2   Elevator door edge.
18-11-1118.2.2.4.3   Elevator car dimensions.
18-11-1118.2.2.4.4   Assembly seating dispersion.
18-11-1118.2.2.5   Calculation of reproduction cost.
18-11-1118.2.3   Alternative requirements for historic buildings.
18-11-1118.2.3.1   Changes of level.
18-11-1118.2.3.2   Exemptions for controlled access.
18-11-1118.2.3.3   Door hardware and operation exemption.
18-11-1118.2.3.4   Door adapter lever handles.
18-11-1118.2.3.5   Door width.
18-11-1118.2.3.6   Door width alternatives.
18-11-1118.2.3.7   Alternative accessible entrance.
18-11-1118.2.3.8   Accessible routes.
18-11-1118.2.3.9   Stair exemption.
18-11-1101  General.
18-11-1101.1  Scope.
   The provisions of this chapter shall control the design and construction of facilities for accessibility to people with disabilities.
18-11-1101.1.1  Applicability.
   The provisions in this chapter are generally applicable to new construction. Sections 1117 and 1118 establish the extent to which these provisions apply to existing buildings.
18-11-1101.1.2  Other laws.
   The provisions of this chapter shall not be deemed to nullify any provisions of other local, state or federal laws.
18-11-1101.1.3  Regulations.
   The Commissioner of the Mayor's Office for People with Disabilities shall have the authority to promulgate rules and regulations necessary to implement the requirements of this chapter.
18-11-1101.2  Referenced standards.
   The standards referenced in this chapter and listed herein shall be considered part of the requirements of this chapter to the prescribed extent of each such reference. If differences occur between provisions of this chapter and referenced standards, the provisions of this chapter shall apply.
   ICC/ANSI A117.1-2003
   ASTM F 1292-1999
   ASTM F 1487-1998
   ASTM F 1951-1999
   NFPA 13-1999
   NFPA 13R-1999
   NFPA 72-1999
(Amend Coun. J. 7-26-06, p. 81373, § 1)
18-11-1101.3  Design.
   Buildings and facilities shall be designed and constructed to be accessible in accordance with this code and ICC/ANSI A117.1.
18-11-1101.3.1  Modifications to ICC/ANSI A117.1.
   The provisions of ICC/ANSI A117.1 are adopted by reference as set forth in Section 18-11-1101.3 and shall apply with the following modifications.
   1.   302.1 (Floor or Ground Surfaces). Add exceptions to read:
      “1. This section shall not apply within an area of sport activity.”
      “2. Animal containment areas designed and constructed for public use shall not be required to comply with this section or with Section 303.”
   2.   404.2.9 (Door Opening Force). Add item 3 to read: “3. Exterior hinged door: 8.5 pounds (37 N).”
   3.   502.2 (Parking spaces). Revise to read: “Vehicle parking spaces shall be 132 inches (3350 mm) wide minimum.
   Exception: Parking spaces serving buildings or facilities with 19 or fewer Type B units may be 96 inches (2438 mm) wide minimum.”
   4.   803 (Dressing, fitting and locker rooms). Add the following: “803.4 Mirror. If mirrors are provided in dressing rooms of the same use, accessible dressing rooms shall be provided with a full-length mirror measuring 18 inches (457 mm) wide minimum by 54 inches (1372 mm) high minimum mounted in a position to afford a view to a person on the bench and to a person in a standing position.”
   5.   904.3.1 and 904.3.2 (Sales and service counters, approach). Change to read: “904.3.1 Parallel Approach. A portion of the counter surface 36 inches (915mm) minimum in length and 34 inches (865) maximum in height above the floor shall be provided. Where the counter surface is less than 36 inches (915 mm) in length, the entire counter surface shall be 34 inches (865 mm) maximum in height above the floor. A clear floor space complying with Section 305, positioned for a parallel approach adjacent to the accessible counter, shall be provided.
   904.3.2 Forward Approach. A portion of the counter surface 30 inches (760 mm) minimum in length and 34 inches (865 mm) maximum in height above the floor shall be provided. A clear floor space complying with Section 305, positioned for a forward approach adjacent to the accessible counter shall be provided. Knee and toe clearance complying with Section 306 shall be provided under the accessible counter.”
   6.   1003.11.7 (Water closets – Type A Dwelling Units). Add the following: “1003.11.7.6 Toilet paper dispensers. Toilet paper dispensers shall comply with Section 604.7.”
   7.   1003.12.6.4 (Ranges and cooktops – Type A units). Add the following sentence: “The clear floor space shall be centered on the range or cooktop.”
   8.   1004.12.2.5 (Refrigerator/Freezer – Type B Units). Add the following sentence: “The centerline of the clear floor space shall align with the centerline of the dedicated space for the refrigerator/freezer.”
(Amend Coun. J. 7-26-06, p. 81373, § 1)
18-11-1102  Definitions.
18-11-1102.1  General.
   For the purposes of this chapter and as used elsewhere in this code, the following words and terms shall have the meanings shown herein:
   ACCESSIBLE. A site, building, facility or portion thereof that complies with this chapter.
   ACCESSIBLE ROUTE. A continuous, unobstructed path that complies with this chapter.
   ACCESSIBLE UNIT. A dwelling unit or sleeping unit that complies with this chapter and Chapters 1 through 9 of Section 1002 of ICC/ANSI A117.1.
   ADAPTABILITY or ADAPTATION. The ability of certain building spaces and elements to be added or altered so as to accommodate the needs of people with or without disabilities, or to accommodate the needs of people with different types or degrees of disability. As used in this chapter, the term refers to the features of a dwelling unit that can be converted with minimal structural change for use by people with different types or degrees of disability.
   ALTERATION – LEVEL 1. Level 1 alterations include the removal and replacement or the covering of existing materials, elements, equipment or fixtures, using new materials, elements, equipment or fixtures that serve the same purpose.
   ALTERATION – LEVEL 2. Level 2 alterations include the reconfiguration of space, the addition to or elimination of any door or window, the reconfiguration or extension of any system or the installation of any additional equipment.
   ALTERATION – LEVEL 3. Level 3 alterations include those where the work area exceeds 50 percent of the aggregate area of the building.
   AMUSEMENT ATTRACTION. Any facility or portion of a facility located within an amusement park or theme park which provides amusement without the use of an amusement device. Examples include, but are not limited to, fun houses, barrels and other attractions without seats.
   C.F.R. Code of Federal Regulations.
   CIRCULATION PATH. An exterior or interior way of passage provided for pedestrian travel, including, but not limited to, walks, hallways, courtyards, elevators, platform lifts, ramps, stairways and landings.
   CLOSED-CIRCUIT TELEPHONE. A telephone with a dedicated line such as a house phone, courtesy phone or phone that must be used to gain entrance to a facility.
   CURB LINE. A line at the face of the curb that marks the transition between the sidewalk and the gutter or roadway.
   DETECTABLE WARNING. A standardized surface feature built in or applied to walking surfaces or other elements to warn of hazards on a circulation path.
   DWELLING UNIT OR SLEEPING UNIT, TYPE A. A dwelling unit or sleeping unit designed and constructed for accessibility and adaptability in accordance with this chapter and Section 1003 of ICC/ANSI A117.1.
   DWELLING UNIT OR SLEEPING UNIT, TYPE B. A dwelling unit or sleeping unit designed and constructed for accessibility in accordance with Section 1004 of ICC/ANSI A117.1 and consistent with the design and construction requirements of the federal Fair Housing Act.
   DWELLING UNIT OR SLEEPING UNIT, MULTISTORY. A dwelling unit or sleeping unit with habitable space located on more than one story.
   ELEVATED PLAY COMPONENT. A play component that is approached above or below grade and that is part of a composite play structure consisting of two or more play components attached or functionally linked to create an integrated unit providing more than one play activity.
   FACILITY. All or any portion of buildings, structures, site improvements, elements, and pedestrian or vehicular routes located on a site.
   FUNCTIONAL SPACES. The rooms or spaces in a building or facility that house the primary functions for which the building or facility is intended and the secondary or supporting functions that relate to the support, maintenance or performance of the primary functions, including connective or ancillary spaces such as parking and storage. Unfinished or undeveloped space is included as a “functional space.”
   GOVERNMENTAL UNIT. The state of Illinois or any political subdivision thereof, including, but not limited to, any county, town, township, city, village, municipality, municipal corporation, school district, park district, local housing authority, public commission, public authority, the Illinois Housing Development Authority or other special purpose district.
   GROUND LEVEL PLAY COMPONENT. A play component that is approached and exited at ground level.
   HISTORIC BUILDING. Any building, structure or site that is (a) listed in the State or National Register of Historic Places; or (b) designated as a historic property under local or state designation, law or survey (see also the definition of Historic Buildings in Section 18-11-1118); or (c) certified by the State Historic Preservation Officer or the Keeper of the National Register of Historic Places as a contributing resource; or (d) the subject of an opinion issued by the State Historic Preservation Officer or the Keeper of the National Register of Historic Places that the property is eligible to be listed on the National or State Registers of Historic Places either individually or as a contributing building to a historic district.
   HISTORIC PRESERVATION. The act or process of accurately preserving and/or recovering the form and details of a historic building and its setting as it appeared at a particular period of time by means of repair, stabilization or restoration as defined herein. Historic Preservation also includes “Historic Reconstruction” and “Historic Restoration.”
   HISTORIC RECONSTRUCTION. The act or process of reproducing by new construction the exact form and detail of an original building, structure, object or part thereof as it appeared at a specific period of time. Historic reconstruction only applies to reconstruction of buildings which are open to view by the public, are used to demonstrate historic or architectural values, and/or are used for purposes of display of a historic building type, design, technique of construction or period setting.
   HISTORIC RESTORATION. The act or process of accurately recovering the form and details of a historic building and its setting as it appeared at a particular period of time by means of the removal of later works or by replacement of missing earlier work.
   HISTORICALLY INTERPRETED BUILDING. A building which in whole or part is open to view by the public and has as its major purpose the display of a historic or architectural artifact created in the past in order to give a sense of cultural orientation and to establish values of time and place. Historically interpreted buildings do not necessarily have attendants or formal-guided or even self-guided tours.
   HOUSING OWNED OR FINANCED BY A GOVERNMENTAL UNIT. Any project or facility or portion thereof in which ownership of dwelling units or sleeping units is held by a governmental unit or a federal agency; or any project or facility or portion thereof in which the construction, maintenance or operation of dwelling units or sleeping units is financed in whole or in part with federal, state or local funds of any type.
   INTENDED TO BE OCCUPIED AS A RESIDENCE. A dwelling unit or sleeping unit that can or will be used all or part of the time as the occupant's place of abode.
   LANDMARKS. For purposes of Chapter 18-11, landmarks means buildings, parts of buildings, facilities or sites that have been designated as Chicago Landmarks by ordinance, or are contributing structures in districts designated as Chicago Landmarks by ordinance, or have been granted preliminary landmark status by the Commission on Chicago Landmarks.
   PLAY AREA. A portion of a site containing play components designed and constructed for children.
   PLAY COMPONENT. An element intended to generate specific opportunities for play, socialization or learning. Play components may be manufactured or natural, and may stand alone or be part of a composite play structure.
   PUBLIC ENTRANCE. An entrance that is not a service entrance or a restricted entrance.
   PUBLIC-USE AREAS. Interior or exterior rooms or spaces that are made available to the general public.
   REPRODUCTION COST. The estimated cost of constructing a new building, structure or site improvement of like size, design and materials at the site of the original building, structure or site improvement, assuming such site is clear. For alterations to a portion of a building or structure, the reproduction cost shall be the estimated cost of re-constructing the space being altered within the original building or structure. Reproduction cost includes all hard costs associated with the construction or reconstruction as herein defined, and shall not include any soft costs. This definition is applicable only to the accessibility requirements for alterations and historic buildings.
   RESTRICTED ENTRANCE. An entrance that is made available for common use on a controlled basis but is not a public use or service entrance.
   SELF-SERVICE STORAGE FACILITY. Real property designed and used for the purpose of renting or leasing individual storage spaces to customers for the purpose of storing and removing personal property on a self-service basis.
   SERVICE ENTRANCE. An entrance intended primarily for delivery of goods or services.
   SITE. A parcel of land bounded by a property line or a designated portion of a public right-of-way.
   SLEEPING UNIT. A room or space in which people sleep, which can also include permanent provisions for living, eating, and either sanitation or kitchen facilities but not both. Such rooms and spaces that are also part of a dwelling unit are not sleeping units.
   SOFT CONTAINED PLAY STRUCTURE. A play structure made up of one or more components where the user enters a fully enclosed play environment that utilizes pliable materials, such as plastic, netting or fabric.
   STORY. As used in Chapter 18-11 to specify the number of stories of a building in which Type A units are required, a basement shall be considered a story if at least 50% of the basement gross floor area consists of functional spaces. (See definition of “functional spaces”).
   TECHNICALLY INFEASIBLE. An alteration of a building or a facility that has little likelihood of being accomplished because the existing structural conditions require the removal or alteration of a load bearing member that is an essential part of the structural frame, or because other existing physical or site constraints prohibit modification or addition of elements, spaces or features in full and strict compliance with the minimum requirements for new construction and necessary to provide accessibility.
   TTY. An abbreviation for teletypewriter. Machinery that employs interactive text-based communication through the transmission of coded signals across the telephone network. TTYs are also called text telephones.
   USE ZONE. The ground level area beneath and immediately adjacent to a play structure or equipment that is designated by ASTM F 1487 for unrestricted circulation around the equipment and on whose surface it is predicted that a user will land when falling from or exiting the equipment.
   VISITABLE UNIT. A dwelling unit or sleeping unit designed and constructed such that a person with a disability can approach, enter and circulate through a portion of the unit in accordance with Section 18-11-1107.5.4.3.
   WALK. An exterior prepared surface for pedestrian use, including pedestrian areas such as plazas and courts.
   WHEELCHAIR SPACE. Space for a single wheelchair and its occupant.
(Amend Coun. J. 7-26-06, p. 81373, § 1; Amend Coun. J. 2-7-07, p. 97862, § 2; Amend Coun. J. 11-8-12, p. 38872, § 288)
18-11-1103  Scoping Requirements.
18-11-1103.1  Where required.
   Buildings and structures, temporary or permanent, including their associated sites and facilities, shall be accessible to persons with disabilities.
18-11-1103.1.1  Spaces used for different purposes.
   A room or space that is intended to be occupied at different times for different purposes shall comply with all requirements that are applicable to each of the purposes for which the room or space will be occupied.
(Amend Coun. J. 7-26-06, p. 81373, § 1)
18-11-1103.2  General exceptions.
   Buildings and structures, temporary or permanent, including their associated sites and facilities, shall be exempt from this chapter to the extent specified in this section.
18-11-1103.2.1  Specific requirements.
   Accessibility is not required in buildings and facilities or portions thereof to the extent permitted by Sections 18-11-1104 through 18-11-1116.
18-11-1103.2.2  Existing buildings.
   Existing buildings shall comply with Sections 18-11-1117 and 18-11-1118.
18-11-1103.2.3  Work areas.
   Individual employee work stations are not required to be accessible but shall be located on an accessible route.
18-11-1103.2.4  Detached dwellings and townhouses.
   Detached one- and two-family dwellings, townhouses, their accessory structures and their associated sites and facilities are not required to be accessible, except as required by Sections 18-11-1107.5.4 and 18-11-1107.5.5.
(Amend Coun. J. 7-26-06, p. 81373, § 1)
18-11-1103.2.5  Utility buildings.
   Occupancies classified as miscellaneous buildings and structures are exempt from the requirements of this chapter; provided, however, that:
   1.   In agricultural buildings, access is required to paved work areas and areas open to the general public.
   2.   This exemption shall not apply to private garages or carports that contain required accessible parking.
   3.   This exemption shall not apply to police stations, fire stations, gasoline filling stations, lumber yards, parking facilities and telephone exchanges.
18-11-1103.2.6  Construction sites.
   Structures, sites and equipment directly associated with the actual processes of construction including, but not limited to, portable toilet and bathing units for use exclusively by construction personnel, scaffolding, bridging, materials hoists, materials storage and construction trailers are not required to be accessible. Temporary pedestrian circulation routes around a construction site are not exempt from the requirements of this chapter.
18-11-1103.2.7  Raised areas.
   Raised areas used primarily for purposes of security, life safety or fire safety, including but not limited to, observation galleries, prison guard towers, fire towers or life guard stands are not required to be accessible or to be served by an accessible route.
18-11-1103.2.8  Limited access spaces.
   Nonoccupiable spaces accessed only by ladders, catwalks, crawl spaces, freight elevators, very narrow passageways or tunnels are not required to be accessible.
18-11-1103.2.9  Equipment spaces.
   Spaces frequented only by personnel for maintenance, repair or occasional monitoring of equipment are not required to be accessible or to be served by an accessible route. Such spaces include, but are not limited to, elevator pits, elevator penthouses, mechanical, electrical, or communications equipment rooms, piping or equipment catwalks, water or sewage treatment pump rooms and stations, electric substations and transformer vaults, and highway and tunnel utility facilities.
18-11-1103.2.10  Single occupant structures.
   Single occupant structures accessed only by passageways below grade or elevated above standard curb height, including, but not limited to, toll booths that are accessed only by underground tunnels, are not required to be accessible or to be served by an accessible route.
18-11-1103.2.11  Residential occupancy.
   A residential occupancy containing five or fewer sleeping units for rent or hire and occupied as the residence of the proprietor is not required to be accessible.
18-11-1103.2.12  Day care facilities and business occupancies in a dwelling unit.
   If a day care facility or a business occupancy is part of a dwelling unit, only that portion of the structure utilized for the day care facility or business occupancy is required to be accessible.
18-11-1103.2.13  Fuel-dispensing systems.
   Fuel-dispensing devices are not required to be accessible.
18-11-1103.2.14  Recreation facilities.
   The following recreation facilities are not required to be accessible or to be served by an accessible route:
   1.   Raised structures used solely for refereeing, judging or scoring a sport.
   2.   Water slides.
   3.   Animal containment areas that are not for public use.
   4.   Raised boxing or wrestling rings.
18-11-1104  Accessible Route.
18-11-1104.1  Site arrival points.
   Accessible routes within the site shall be provided to the accessible building entrance served from public transportation stops; accessible parking and accessible passenger loading zones; taxi stands, if provided; public streets or sidewalks; and accessible facilities on non- contiguous sites.
18-11-1104.2  Within a site.
   At least one accessible route shall connect accessible buildings, accessible facilities, accessible elements and accessible spaces that are on the same site. An accessible route shall directly connect both sides of the court in court sports.
   Exception: An accessible route is not required between accessible facilities that have, as the only means of access between them, a vehicular way not providing for pedestrian access.
18-11-1104.3  Connected spaces.
   If a building or facility or portion thereof is required to be accessible, at least one accessible route shall connect all accessible entrances of the building or facility with all portions of the building or facility that are required to be accessible. An accessible route shall be provided to connect accessible pedestrian walkways with the public way. An accessible route shall directly connect both sides of the court in court sports. If only one accessible route is provided, the accessible route shall not pass through kitchens, storage rooms, restrooms, closets, sleeping room or similar spaces.
   Exception: Within a dwelling unit, a single accessible route may pass through a kitchen or storage room.
18-11-1104.4  Multilevel buildings and facilities.
   At least one accessible route shall connect each accessible level, including mezzanines, in multi-level buildings and facilities.
   Exceptions:
      1.   An accessible route is not required to a basement, second story or mezzanine space if all of the following conditions in 1.1 through 1.4 are met; provided, however, that this exception shall not apply to levels containing offices of health care providers, passenger transportation facilities and airports, shopping centers or shopping malls, or to any building owned by the State of Illinois or any governmental unit.
         1.1   The basement functional space, second story and mezzanine space are each 1,000 square feet (93 m 2) or less in usable or occupiable floor area, exclusive of shafts, partitions, columns, walls, elevators, stairs, permanent fixtures, toilet rooms, janitor closets, mechanical rooms, electrical rooms and telephone equipment rooms; and
         1.2   The exempt area consists of the following type of space: 1) the second story of a two- story building; or 2) the mezzanine of a one-story building without a basement; or 3) the second story of a two-story building with a basement having less than 50 percent functional space; or 4) the mezzanine of a one- story building with a basement having less than 50 percent functional space; or 5) a basement having 50 percent or more functional space in a one-story building; and
         1.3   Any mezzanine dining area is exempt as provided for in Section 18-11-1108.2.8; and
         1.4   Areas of visitor usage or of common employee usage such as locker areas, toilet facilities or lunchrooms if they are the only such facilities in the building.
      2.   In assembly, institutional, residential and storage occupancies, and in gasoline filling stations, lumber yards, parking facilities and telephone exchanges, levels that do not contain accessible elements or other spaces required by Sections 18-11-1107 or 18-11-1108 are not required to be served by an accessible route from an accessible level.
      3.   In business and mercantile occupancies, an accessible route to product storage areas is not required.
(Amend Coun. J. 7-26-06, p. 81373, § 1)
18-11-1104.5  Location.
   Accessible routes shall coincide with or be located in the same area as a general circulation path. If the circulation path is interior, the accessible route shall also be interior.
   Exception: Accessible routes from parking garages contained within and serving Type B dwelling units are not required to be interior.
18-11-1104.6  Protruding objects.
   Protruding objects on circulation paths shall not reduce the clear width of accessible routes or the means of egress and shall comply with Sections 18-11-1104.6.1 through 18-11-1104.6.3.
   Exception: This section shall not apply within an area of sport activity used by participants in the conduct of the sport.
18-11-1104.6.1  Protrusion limits.
   Objects with leading edges more than 27 inches (686 mm) and not more than 80 inches (2032 mm) above the finish floor or ground shall protrude 4 inches (102 mm) maximum horizontally into the circulation path.
   Exception: Handrails may protrude 4.5 inches maximum.
18-11-1104.6.2  Free-standing objects.
   Freestanding objects mounted on posts or pylons shall overhang circulation paths 12 inches (305 mm) maximum if the object is located 27 inches (686 mm) minimum and 80 inches (2032 mm) maximum above the finish floor or ground. If a sign or other obstruction is mounted between posts or pylons and the clear distance between the posts or pylons is greater than 12 inches (305 mm), the lowest edge of such sign or obstruction shall be 27 inches (686 mm) maximum or 80 inches (2032 mm) minimum above the finish floor or ground.
   Exception: This requirement shall not apply to sloping portions of handrails serving stairs and ramps.
18-11-1104.6.3  Reduced vertical clearance.
   Barriers shall be provided if the vertical clearance is less than 80 inches (2032 mm) high. The leading edge of such barrier shall be located 27 inches (686 mm) maximum above the finish floor or ground.
18-11-1105  Accessible Entrances.