ADA Vocabulary

Question 1

Accessible route

Answer 1

Unobstructed continuous path that connects all accessible elements and spaces in building or facility

Question 2

Site arrival point

Answer 2

Must be connected by an accessible route to accessible entrance.
Example: parking, passenger loading zone, sidewalk, public transportation stops and connections to other buildings

Question 3

Size of wheelchair

Answer 3

30x48

Question 4

Slope of accessible route

Answer 4

1:20 or 5%

Question 5

Clear passage point of doorway minimum

Answer 5

32”

Question 6

Clear width of accessible route

Answer 6

36” min

Question 7

Passage point maximum lenght

Answer 7

24”

Question 8

Min passage for 2 wheelchairs

Answer 8

60”

Question 9

What is a maximum distance to 60x60” passing space if accessible route is less than 60”wide?

Answer 9

200’

Question 10

Minimum hallway width if turning point is less than 48” is…

Answer 10

42” for hallway and 48” when turning

Question 11

Dimension required when turning point is more than 48” is…

Answer 11

36” hallway and 36” at the turning corner

Question 12

Hight of forward reach

Answer 12

Unobstructed - 48” high point abd 15” min aff. Like outlets

Obstructed - 20”up to 25” is 44” max

Question 13

What is min doorway depth?

Answer 13

32” min

Question 14

What is the max opening force required to push or pull interior hinged doors

Answer 14

5 lbf- ft

Question 15

What is the requirement for the doors with closers in terms of open position angle?

Answer 15

70deg

Question 16

Threshold max height

Answer 16

1/4”

Question 17

What happens if the threshold is higher?

Answer 17

It must be beveled to after the first 1/4” must be made over the horizontal distance of at least 1/2”

Question 18

Are round doorknobs allowed in ada?

Answer 18

No

Question 19

Are closers allowed in ada door?

Answer 19

Yes but it must be set to slower speed

Question 20

Max height of lavatory

Answer 20

34”

Question 21

Max mirror height

Answer 21

40”

Question 22

Lowest height for lavatory bottom

Answer 22

27”

Question 23

Max depth of sink

Answer 23

19”

Question 24

Min sink depth

Answer 24

17”

Question 25

Water fountain max height

Answer 25

36"

Question 26

Min knee clearance

Answer 26

8"

Question 27

Min height of space for feet

Answer 27

9"

Question 28

What is clear space required at water closet

Answer 28

60x56"

Question 29

What are minimum ambulatory toilet stall dims

Answer 29

35 to 37" width out to out 60" min lenght 42" in front of it

Question 30

Bathtub with seat sude approach clearance

Answer 30

30" min

Question 31

Front approach bathtub clearance

Answer 31

48" min

Question 32

Clear floor space min required in front of bathtub with seat at head of tub

Answer 32

30" min

Question 33

What is grab height requirement

Answer 33

33 to 36"

Question 34

Max ramp and raise sizes

Answer 34

1 to 12 max raise of 30" 1 to 10 max raise of 6" 1 to 8 max raise of 3"

Question 35

Min clear width of ramp

Answer 35

36"

Question 36

Min landing lenght

Answer 36

60"

Question 37

If ramps change direction what is the landing width and length?

Answer 37

60x60

Question 38

Height of rail

Answer 38

Between 34 to 38"

Question 39

Railing extension min distance

Answer 39

12" beyond top and bottom of stair or ramp

Question 40

What is rail grip size?

Answer 40

1.25 to 1.5"

Question 41

In locations where stair are main means of egress and where stairs are not connected by elevator what is raiser and thread min size?

Answer 41

7" for R | 11" for T

Question 42

Are open raisers permitted in egress areas?

Answer 42

No

Question 43

Can accessible route have a slope?

Answer 43

Yes only 1 to 20 or 5%. If more must meet ramp requirements

Question 44

Diameter of handrail

Answer 44

1.25 to 2"

Question 45

Min clear space between the handrail and the wall

Answer 45

1.5"

Question 46

What is clear width of 48" required in between the rails?

Answer 46

When exit stairway is part of accessible route in non- sprinklered building

Question 47

Area of refuge what is it and when it is required

Answer 47

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

Question 48

What is min height requirement for accessible route?

Answer 48

80"

Question 49

Max protruding object depth

Answer 49

4"

Question 50

What is the min height of protruding object?

Answer 50

27" min

Question 51

Detectable warning

Answer 51

Surface feature built or applied to a walking surface or element to warn of hazards on a circulation path

Question 52

Signs lettering sizes

Answer 52

5/8" to 2" high 1/32" raised above surface of the sign Uppercase scans serif or simple serif With grade 2 Braille