Accessible. A site, building, facility, or portion thereof that complies with this part.
Accessible Means of Egress. A continuous and unobstructed way of egress travel from any point in a building or facility that provides an accessible route to an area of refuge, a horizontal exit, or a public way.
Addition. An expansion, extension, or increase in the gross floor area or height of a building or facility.
Administrative Authority. A governmental agency that adopts or enforces regulations and guidelines for the design, construction, or alteration of buildings and facilities.
Alteration. A change to a building or facility that affects or could affect the usability of the building or facility or portion thereof. Alterations include, but are not limited to, remodeling, renovation, rehabilitation, reconstruction, historic restoration, resurfacing of circulation paths or vehicular ways, changes or rearrangement of the structural parts or elements, and changes or rearrangement in the plan configuration of walls and full-height partitions.
Assembly Area. A building or facility, or portion thereof, used for the purpose of entertainment, educational or civic gatherings, or similar purposes. For the purposes of these requirements, assembly areas include, but are not limited to, classrooms, lecture halls, courtrooms, public meeting rooms, public hearing rooms, legislative chambers, motion picture houses, auditoria, theaters, playhouses, dinner theaters, concert halls, centers for the performing arts, amphitheaters, arenas, stadiums, grandstands, or convention centers.
Assistive Listening System (ALS). An amplification system utilizing transmitters, receivers, and coupling devices to bypass the acoustical space between a sound source and a listener by means of induction loop, radio frequency, infrared, or direct-wired equipment.
Building. Any structure used or intended for supporting or sheltering any use or occupancy.
Catch Pool. A pool or designated section of a pool used as a terminus for water slide flumes.
Characters. Letters, numbers, punctuation marks and typographic symbols.
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.
Common Use. Interior or exterior circulation paths, rooms, spaces, or elements that are not for public use and are made available for the shared use of two or more people.
Cross Slope. The slope that is perpendicular to the direction of travel (see running slope).
Curb Ramp. A short ramp cutting through a curb or built up to it.
Detectable Warning. A standardized surface feature built in or applied to walking surfaces or other elements to warn of hazards on a circulation path.
Element. An architectural or mechanical component of a building, facility, space, or site.
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.
Entrance. Any access point to a building or portion of a building or facility used for the purpose of entering. An entrance includes the approach walk, the vertical access leading to the entrance platform, the entrance platform itself, vestibule if provided, the entry door or gate, and the hardware of the entry door or gate.
Facility. All or any portion of buildings, structures, site improvements, elements, and pedestrian routes or vehicular ways located on a site.
Gangway. A variable-sloped pedestrian walkway that links a fixed structure or land with a floating structure. Gangways that connect to vessels are not addressed by this document.
Ground Level Play Component. A play component that is approached and exited at the ground level.
Marked Crossing. A crosswalk or other identified path intended for pedestrian use in crossing a vehicular way.
Operable Part. A component of an element used to insert or withdraw objects, or to activate, deactivate, or adjust the element.
Private Building or Facility. A place of public accommodation or a commercial building or facility subject to Title III of the ADA and 28 CFR part 36 or a transportation building or facility subject to Title III of the ADA and 49 CFR 37.45.
Public Building or Facility. A building or facility or portion of a building or facility designed, constructed, or altered by, on behalf of, or for the use of a public entity subject to Title II of the ADA and 28 CFR part 35 or to Title II of the ADA and 49 CFR 37.41 or 37.43.
Public Entrance. An entrance that is not a service entrance or a restricted entrance.
Public Use. Interior or exterior rooms, spaces, or elements that are made available to the public. Public use may be provided at a building or facility that is privately or publicly owned.
Public Way. Any street, alley or other parcel of land open to the outside air leading to a public street, which has been deeded, dedicated or otherwise permanently appropriated to the public for public use and which has a clear width and height of not less than 10 feet (3050 mm).
Qualified Historic Building or Facility. A building or facility that is listed in or eligible for listing in the National Register of Historic Places, or designated as historic under an appropriate State or local law.
Ramp. A walking surface that has a running slope steeper than 1:20.
Restricted Entrance. An entrance that is made available for common use on a controlled basis but not public use and that is not a service entrance.
Running Slope. The slope that is parallel to the direction of travel (see cross slope).
Self-Service Storage. Building or facility 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.
