ADA Vocabulary Flashcards
Accessible route
Unobstructed continuous path that connects all accessible elements and spaces in building or facility
Site arrival point
Must be connected by an accessible route to accessible entrance.
Example: parking, passenger loading zone, sidewalk, public transportation stops and connections to other buildings
Size of wheelchair
30x48
Slope of accessible route
1:20 or 5%
Clear passage point of doorway minimum
32”
Clear width of accessible route
36” min
Passage point maximum lenght
24”
Min passage for 2 wheelchairs
60”
What is a maximum distance to 60x60” passing space if accessible route is less than 60”wide?
200’
Minimum hallway width if turning point is less than 48” is…
42” for hallway and 48” when turning
Dimension required when turning point is more than 48” is…
36” hallway and 36” at the turning corner
Hight of forward reach
Unobstructed - 48” high point abd 15” min aff. Like outlets
Obstructed - 20”up to 25” is 44” max
What is min doorway depth?
32” min
What is the max opening force required to push or pull interior hinged doors
5 lbf- ft
What is the requirement for the doors with closers in terms of open position angle?
70deg
Threshold max height
1/4”
What happens if the threshold is higher?
It must be beveled to after the first 1/4” must be made over the horizontal distance of at least 1/2”
Are round doorknobs allowed in ada?
No
Are closers allowed in ada door?
Yes but it must be set to slower speed
Max height of lavatory
34”
Max mirror height
40”
Lowest height for lavatory bottom
27”
Max depth of sink
19”
Min sink depth
17”
Water fountain max height
36”
Min knee clearance
8”
Min height of space for feet
9”
What is clear space required at water closet
60x56”
What are minimum ambulatory toilet stall dims
35 to 37” width out to out
60” min lenght
42” in front of it
Bathtub with seat sude approach clearance
30” min
Front approach bathtub clearance
48” min
Clear floor space min required in front of bathtub with seat at head of tub
30” min
What is grab height requirement
33 to 36”
Max ramp and raise sizes
1 to 12 max raise of 30”
1 to 10 max raise of 6”
1 to 8 max raise of 3”
Min clear width of ramp
36”
Min landing lenght
60”
If ramps change direction what is the landing width and length?
60x60
Height of rail
Between 34 to 38”
Railing extension min distance
12” beyond top and bottom of stair or ramp
What is rail grip size?
1.25 to 1.5”
In locations where stair are main means of egress and where stairs are not connected by elevator what is raiser and thread min size?
7” for R
11” for T
Are open raisers permitted in egress areas?
No
Can accessible route have a slope?
Yes only 1 to 20 or 5%. If more must meet ramp requirements
Diameter of handrail
1.25 to 2”
Min clear space between the handrail and the wall
1.5”
What is clear width of 48” required in between the rails?
When exit stairway is part of accessible route in non- sprinklered building
Area of refuge what is it and when it is required
Area where people are not able to use stairways and can wait there for assistance.
It must accommodate wheelchair space of 30x48 for 200 occupants or portion thereof.
Area of refuge is not required when building is sprinkled
What is min height requirement for accessible route?
80”
Max protruding object depth
4”
What is the min height of protruding object?
27” min
Detectable warning
Surface feature built or applied to a walking surface or element to warn of hazards on a circulation path
Signs lettering sizes
5/8” to 2” high
1/32” raised above surface of the sign
Uppercase scans serif or simple serif
With grade 2 Braille
