101 Purpose

These guidelines provide scoping and technical requirements for accessibility to sites, facilities, buildings, and elements by individuals with disabilities.  These requirements are to be applied during the design, construction, and alteration of sites, facilities, buildings, and elements to the extent  required by regulations issued by Federal agencies under the Americans with Disabilities  Act of 1990.

102 Provisions for Adults

The technical requirements in these guidelines are based upon adult dimensions and  anthropometrics.

103 Equivalent Facilitation

Nothing in these guidelines is intended to prevent the use of designs or technologies  as alternatives to those prescribed in this document, provided they provide equivalent or  superior accessibility and usability.

104 Dimensional Tolerances

Dimensions that are not stated as "maximum" or "minimum" are  absolute. All dimensions are subject to conventional industry tolerances.

105 Referenced Standards

105.1 General. The standards referenced in these guidelines and listed in 105.2  shall be considered part of the requirements of these guidelines to the prescribed extent  of each such reference. References to standards within the technical and scoping  requirements shall apply to the specific edition of the reference standard listed in  105.2. Where differences occur between provisions of these guidelines and referenced  standards, the provisions of these guidelines shall apply.

105.2 Referenced Standards.

105.2.1 Power Operated Pedestrian Doors. ANSI/BHMA A156.10-1996.

105.2.2 Power-Assist and Low-Energy Power Operated Doors. ANSI/BHMA  A156.19-1996.

105.2.3 Safety Code for Elevators and Escalators. ASME/ANSI A17.1-1993,  (including Addenda ASME/ANSI A17.1a-1994 and ASME/ANSI A17.1b-1995)

106 Definitions

106.1 General. Terms defined in 106.5 shall have the specified meaning for  purposes of this document, unless otherwise stated.

106.2 Terms Defined in Referenced Standards. Terms not defined in this section,  but specifically defined in a referenced standard, shall have the specified meaning from  the referenced standard, unless otherwise stated.

106.3 Undefined Terms. The meaning of terms not specifically defined in this  document or in referenced standards shall be as defined by collegiate dictionaries in the  sense that the context implies.

106.4 Interchangeability. Words, terms and phrases used in the singular includes  the plural and the plural the singular.

106.5 Defined Terms

Accessible. A site, building, facility, or portion thereof  that complies with these guidelines.

Accessible Means of Egress. Means of egress is a continuous and unobstructed way  of exit travel from any point in a building or facility to a public way. An accessible means of egress is one that provides an accessible route to an area  of refuge, a horizontal exit or a public way.

Accessible Route. A continuous unobstructed path that complies with these  guidelines.

Addition. An expansion, extension, or increase in the gross floor area 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 part thereof. Alterations include, but are not limited to, remodeling, renovation, rehabilitation, reconstruction,  historic restoration, changes or rearrangement of the structural parts or elements,  and changes or rearrangement in the plan configuration of walls and full-height  partitions. Normal maintenance, reroofing, painting or wallpapering, or changes to  mechanical and electrical systems are not alterations unless they affect the  usability of the building or facility.

Area of Refuge. An area where people who are unable to use stairs may remain  temporarily to await further instructions or assistance during emergency evacuation.

Assembly Area. A room or space accommodating a group of individuals for  recreational, educational, political, social, or amusement purposes, or for the  consumption of food and drink.

Automatic Door. A door equipped with a power-operated mechanism and controls  that open and close the door automatically upon receipt of a momentary actuating signal  (see power-assisted door).

Building. Any structure used or intended for supporting or sheltering any use or  occupancy.

Characters: Letters, numbers, punctuation marks and typographic symbols.

Circulation Path. An exterior or interior way of passage from one place to  another for pedestrians, including, but not limited to, walks, hallways,  courtyards, stairways, and stair 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.

Common Use. Interior and exterior rooms, spaces, or elements that  are made available for the use of a restricted group of people such as the occupants of a  homeless shelter, the occupants of an office building, or the guests of such occupants.

Controls and Operating Mechanisms. A component of an element by which the  user activates, deactivates, or adjusts the element.

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.

Destination-oriented Elevator. An elevator system that provides lobby controls  to select floor stops, lobby indicators designating which elevator to use and a car  indicator designating the floors at which the car will stop.

Detectable Warning. A standardized surface feature built in or applied to  walking surfaces or other elements to warn visually impaired people of hazards on a circulation path.

Dwelling Unit. A single unit which provides a kitchen or food preparation area,  in addition to rooms and spaces for living, bathing and sleeping. Dwelling units include a single family home or a townhouse used as a transient group home; an apartment  building used as a shelter; guest rooms in a hotel that provide sleeping accommodations and food preparation areas; and other similar facilities used on a transient basis.  For purposes of these guidelines, use of the term dwelling unit does not imply the  unit is used as a residence.

Element. An architectural or mechanical component of a building, facility, space, or site.

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, complexes, equipment, roads, walks, passageways, parking lots, or  other real or personal property located on a site.

Ground Floor. Any occupiable floor less than one story above or  below grade with direct access to grade. A building or facility always has  at least one ground floor and may have more than one ground floor such as  where a split level entrance has been provided or where a building is built  into a hillside.

Mezzanine. That portion of a story which is an intermediate floor level  placed within the story and having occupiablespace above and below  its floor.

Marked Crossing. A crosswalk or other identified path intended for pedestrian  use in crossing a vehicular way.

Occupiable. A room or enclosed space designed for human occupancy.

Pictogram: A pictorial symbol which is recognized as representing activities, facilities,  or concepts.

Power-assisted Door. A door used for human passage with a mechanism that helps  to open the door, or relieves the opening resistance of a door, upon the activation of a  switch or a continued force applied to the door itself. (See automatic door.)

Public Entrance. An entrance that is not a service entrance.

Public Use. Interior or exterior rooms or spaces that are made available  to the general public. Public use may be provided at a building or facility that is privately or publicly owned.

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 which has a running slope steeper than 1:20.

Running Slope. The slope that is parallel to the direction of travel (see cross  slope).

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.

Sign. An architectural element composed of displayed text, symbolic, tactile or pictorial information.

Site. A parcel of land bounded by a property line or a designated portion of a  public right-of- way.

Sleeping Accommodations. Rooms in which people sleep, such as dormitory and  hotel or motel guest rooms or suites.

Space. A definable area, such as a room, toilet room, hall, assembly area, entrance, storage room, alcove, courtyard, or lobby.

Story. That portion of a building included between the upper surface of a  floor and upper surface of the floor or roof next above. A story containing one or  more mezzanines has more than one floor level.

Structural Frame. The columns and the girders, beams, trusses and spandrels  having direct connections to the columns and all other members which are essential to the  stability of the building as a whole.

Tactile. An object that can be perceived using the sense of touch.

Technically Infeasible. With respect to an alteration of a building or a facility, something that has little likelihood of being accomplished because  existing structural conditions would require removing or altering a load-bearing member  which 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 which are in full and strict compliance with the minimum requirements for new  construction and which are necessary to provide accessibility.

TTY. Machinery or equipment that employs interactive graphic (typed)  communications through the transmission of coded signals across the standard telephone  network. The term TTY also refers to devices known as text telephones and TDD's.

Transient Lodging. A building, facility, or portion thereof,  excluding inpatient medical care facilities and long term care facilities,  that contains one or more dwelling units or sleeping accommodations.  Examples of transient lodging include resorts, group homes, hotels, motels,  dormitories, homeless shelters, halfway houses and social service lodging.

Vehicular Way. A route intended for vehicular traffic, such as a street,  driveway, or parking lot.

Walk. An exterior pathway with a prepared surface intended for pedestrian use,  including general pedestrian areas such as plazas and courts.

Wheelchair Space.Space for a single wheelchair and its occupant.

Wheelchair Space Cluster. Locations of two or more adjacent wheelchair spaces along with companion seating in assembly areas.