Term
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Definition
| requirements that dictate how many accessible elements must be provided. |
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Term
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Definition
| conitinuous, unobstructed path connecting all accessible elements and sapces in a building or facility. includes corrdors, doorways, floors, ramps, elevators, lifts, and clear floor space at fixtures. |
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Term
| the minimum clear width for an accssible route is |
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Definition
| 36" continuously adn 32" at a passage point such as a doorway. the passage point cannot be more than 24" long. the minimum passage width for two wheelchairs is 60". if an accessible route is less than 60" wide, then passing spaces at least 60x60 must be provided at intervals not to exceed 200 feet. |
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Term
| the minimum clear floor space required to accommodate one stationary wheelchair is 30x48. |
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Definition
for maneuverability, a min of 60" dia circle is required for a wheelchair to make a 180 degree turn.
an accessbile route may slope up to 1:20 (1 inch in rise for every 20" in distance). slopes any greater than this are classified as ramp and must meet requirements |
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Term
| doors must have a minimum clear opening width of |
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Definition
| 32" when the door is opened at 90 degrees. max depth of a doorway 32" wide is 24". if the are is deeper than this, then the width must be increased to 36" |
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Term
| maneuvering clearances are required at standard swinging doors to allow easy operation |
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Definition
| if sufficient clearance is not provided, then the doors must have a power-assisted menchanism or open automatically. |
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Term
| barrier free also require that door hardware meet certain specifications |
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Definition
thresholds at doorways cannot exceed 1/2" in height and must be beveled so no slope of the treshold is greater than 1:2.
operating devices must have a shape that is easy to grasp. includes lever handles, push-type mechanisms, and U-shaped handles. standard door knobs are not allowed. if door closers are provided, they must be adjusted to slow the closing time. opening force required to push or pull open an interior hinged door cannot be more than 5 pounds-feet. power assisted doors may be used. |
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Term
| clearance depth on toilet stalls |
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Definition
| both cases varies depending on whetehr a wall-hung or floor-mounted water closet is used. in most cases, teh door must provide a min clear opening of 32" and must swing out, away from stall enclosure. grab bars must be porvided, mounted 33 - 36" above floor. |
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Term
| if toilet stalls are not used |
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Definition
| the centerline of the toilet must still be 18" from a wall with grab bars at both the back and side of teh water closet. dimension from the centerline of the toilet is 18" to both an adjacent wall and the closest edge of a lav. |
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Term
| urinals must be of teh stall type or wall hung with |
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Definition
| an elongated rim at a max height of 17" above the floor. clear floor space of 30x48 must be provided in front of the urinal, which may adjoin or overlap an accessible route. |
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Term
| wall hung lavs are the best type to use when accessibility is a concern. |
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Definition
| if pipes are exposed below the lav, they must be insulated or otherwise protected and there must not be any sharp or abrasive surfaces under lavs or sinks. faucets must be operable with one hand and cannot require tight grasping, pinching, or twisting of the wrist. lever-operated, push-type, adn auto controlled mechanisms are acceptable. mirrors must be mounted with the bottom edge of the reflecting surface no higher than 40" from the floor. |
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Term
| if a drinking fountain is freestanding or built-in without clear space below, |
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Definition
| it must have a clear floor space in front of it at least 30x48. |
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Term
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Definition
| an in-tub seat or a seat at the head of the tub must be provided. grab bars must be provided. if an enclosure is provided, it cannot obstruct the controls or transfer from wheelchairs onto seats or into the tub. enclosure tracks cannot be mounted on the rim of the tub. |
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Term
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Definition
| seat is required in teh smaller shower stall configuration, while a folding seat is required in the larger configuration if a permanent seat is not provided. grab bars must be provided and mounted from 33-36" above the floor. |
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Term
| floor surfaces must be stabel, firm,a dn slip-resistant. |
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Definition
| if there is a change in level, the transition must meet the following requirements: change is less than .25", it may be vertical and without edge treatment. if change is between .25 & .5, it must be beveled with a slope no greater than 1:2 (1/2" of rise requires 1" in length). changes greater than .5" must be accomplished with a ramp meeting requirements. |
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Term
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Definition
| have a firm cushion or backing or no cushion and have a level loop, textured loop, level-cut pile, or level-cut/uncut pile texture with a max pile height of .5". it must be securely attached to the floor and have trim along all lengths of exposed edges. |
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Term
| ramps are required to provide a smooth transition between changes in elevation for both wheelchair bound personas as well as those whose mobility is otherwise restricted |
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Definition
| in no case can a ramp have a slope greater than 1:12 (1" in rise for every 12" in run). max rise for any ramp is limited to 30". changes in elevation greater than this require a level landing before the next run of ramp is encountered. |
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Term
| minimum clear width of a ramp is |
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Definition
36" with landings at least as wide as teh widest ramp leading to them. landing lengths must be a minimum of 60". if ramps change direction at the landing, then the landing must be at least 60" square.
ramps with rises greater than 6" or lengths greater than 72" must have handrails on both sides with the top of the handrail from 34-38 above the ramp surface. they must extend at least 12" beyond the top and bottom of the ramp segment and have a diameter or width of gripping surface from 1.25" to 1.5" |
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Term
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Definition
| is 7", adn treads must be a min. of 11" as measured from riser to riser. undersides of nosings must not be abrupt and must conform. |
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Term
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Definition
be continuous on both sides of the stairs. inside handrail on switchback or dogleg stairs must always be continuous as it changes direction.
top of the gripping surface must be between 34-38" above stair nosings.
must be a clear space between the handrail and the wall of at least 1.5". when an exit stairway is part of an accessible route in an unsprinklered building, there must be a clear width of 48" between the handrails. |
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Term
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Definition
with their lowever edge less than 27" above the floor can be detected by a person using a cane, so these objects may project any amount.
regardless of the situation, protruding objects cannot reduce the clear width required for an accessible route or maneuvering space. in addition, if vertical clearance of an area adjacent to an accessible route is reduced to less than 80", a guardrail or other barrier must be provided. |
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Term
| detectable warning surfaces are required on |
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Definition
walking surfaces in front of stairs, hazardous vehicular areas, and other places where a hazard may exist without a guardrail or other method of warning someone.
surfaces must consist of exposed aggregate concrete, cushioned surfaces of rubber or plastic, raised strips or grooves. such textures must contrast with that of the surrounding surface. |
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Term
| door handles are also required to have |
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Definition
| textured surfaces if they are part of a door that leads to an area that might prove dangerous to a blind person, such as doors to a loading platform, boiler room, and stage. |
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Term
| signage for visually impaired people |
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Definition
should be providedc that gives emergency info and general ciculation directions.
permanent rooms and spaces must be identified with signs having lettering from 5/8" to 2" high, raised 1/32: above the surface of the sign. lettering must be all uppercase, in sans serif or simple serif type accompanied with Braille.
if pictograms are used, they must be at least 6"h and must be accompanied by the equivalent verbal description palced directly below teh pictogram.
signs must have an eggshell matte or other nonglare finish with characters and symbols contrasting with their background. permanent id must be mounted on teh wall adjacent to the latch side of the door such that a person can approach to within 3" of signage without encountering protruding objects or standing within the door swing. mounting height to the CL of th sign must be 60" |
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Term
| international symbol for accessibility is required on |
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Definition
parking spaces, passenger loading zones, accessible entrances, adn toilet and bathing facilities when not all are accessible. building directories and temporary signs do not have to comply.
emergency warning systems are required that provide both a visual and audible alarm. |
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Term
| if public telephones are provided |
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Definition
| there must be at least one telephone per floor conforming to the requirements. if there are two or more banks of telephones, there must be at least one conforming telephone per bank. when four or more public pay telephones are provided, then at least one interior public text telephone is required. |
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Term
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Definition
call buttons, hall lanterns, and floor designatore must all be located within easy reach and visual access. the call button must indicate when each call is registered and answered. hall lantern must give a visual and audible signal. for audible signals, the lantern can sound once for up and twice for down or it may be equipped with a verbal annunciator that sounds out up or down.
inside, floor buttons can be no higher than 54" above the floor for a side approach adn 48" for a front approach. emergency controls must be grouped with the CL of the group no higher than 35" above the floor. |
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Term
| if fixed or built in seating or tables are provided in accessible or common use areas |
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Definition
than at least 5% but not less than one table, of teh seating must be accessible. includes restaurants, nigthclubs, churches, etc. in new construction when possible remodeling, number of tables should be dispersed.
if smoking and nonsmoking are provided, required number of seating spaces must be proportioned amoung the smoking and non areas. |
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Term
| at least 1% of all fixed seats |
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Definition
must be aisle seats with no armrests on teh aisle side, or must have removable or folding armrests on the aisle side. signs notifying people of the availability of these seats must be posted at teh ticket office.
at least one companion seat must be provided next to each wheelchair area. wheelchair areas must adjoin an accessible route that also serves as a means of emergency egress.
when assembly areas are part of a remodeling and it is not feasible to disperse the seating areas throughout, teh accessibel seating areas may be clustered. these clustered areas must have provisions for companion seating and must be located on an accessble route that also serves as a means of emergency egress. |
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Term
| an accessible route must serve |
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Definition
| all accessible sapces and parts of a building |
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Term
| in addition to meeting requirements of ADA, what other accessibility requirements should the designer be most concerned with when doing design developement for a commercial project |
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Definition
1.ANSI A117.1
2.scoping provisions of the local building code
3.ADAAG
4.Uniform Federal Accessibility Standards
2.scoping provisions of the local building code |
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Term
| in addition to meeting requirements of ADA, what other accessibility requirements should the designer be most concerned with when doing design developement for a commercial project |
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Definition
1.ANSI A117.1
2.scoping provisions of the local building code
3.ADAAG
4.Uniform Federal Accessibility Standards
2.scoping provisions of the local building code |
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Term
| in addition to meeting requirements of ADA, what other accessibility requirements should the designer be most concerned with when doing design developement for a commercial project |
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Definition
1.ANSI A117.1
2.scoping provisions of the local building code
3.ADAAG
4.Uniform Federal Accessibility Standards
2.scoping provisions of the local building code |
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