CHh 29 Barrier Free Design

Question 1

Requirements that dictate how many accessible elements must be provided

Answer 1

Scoping provisions

Question 2

a continuous, unobstructed path connecting all accessible elements and spaces in a building or facility

Answer 2

accessible route

Question 3

36” continuously and and 32” at a passage point such as a doorway. The passage point cannot be more than 24” long.

Answer 3

minimum clear width for an accessible route

Question 4

The minimum clear floor space to accommodate a one stationary wheelchair

Answer 4

30” x 48”

Question 5

How much space is required for wheelchair maneuverability, and in what 2 configurations

Answer 5

a minimum 60” diameter circle is required for a wheelchair to make a 180 degree turn. In place of this, a T-shaped space may be provided. (each legs 36” wide)

Question 6

minimum passage width for two wheelchairs is

Answer 6

60”

Question 7

If an accessible route is less than 60” wide

Answer 7

then passing spaces at least 60” x 60” must be provided at intervals not to exceed 200’

Question 8

A door must have a clear minimum opening of __” when opened at 90 degrees

Answer 8

32”

Question 9

The maximum depth of a 32” wide doorway is __”. If the area is deeper than this, then the width must be increased to 36”

Answer 9

24”

Question 10

Turns in corridors or around obstructions: How deep must a turning area be between 2 perpendicular corridors 42” wide with the distance between the 2 less than 48”

Answer 10

48”

Question 11

Turns in corridors or around obstructions: How deep must a turning area be between 2 perpendicular corridors 36” wide with the distance between the 2 at least 48”

Answer 11

36”

Question 12

If sufficient clearance is not provided at swinging doors then the doors must have

Answer 12

power assisted mechanisms or open automatically

Question 13

Thresholds at doorways can’t exceed __” in height and must be _______ so no slope of the threshold is greater than ___.

Answer 13

1/2”—beveled—1:2

Question 14

The opening force required to push or pull open an interior hinged door cannot be more than

Answer 14

5lbf-ft

Question 15

Operating devices must have a shape that’s easy to grasp such as _____________, ___________________, and _______________. Standard door knobs are not allowed.

Answer 15

lever handles, push type mechanisms, and U-shaped handles

Question 16

Minimum space for two doors shown in a series: Both doors opening in the same direction of travel

Answer 16

48 between the fully open door and the wall of the second door

Question 17

Minimum space for two doors shown in a series: Both doors opening away for the shared space

Answer 17

48” wall to wall

Question 18

Minimum space for two doors shown in a series: Both doors opening into the shared space

Answer 18

48” from one fully open door to the other fully open door

Question 19

Min size of standard ADA bathroom stall

Answer 19

60” wide, 59” deep

Question 20

Min size of ADA end stall

Answer 20

60” wide, 59” to door, 36” min for door (8’11” total width)

Question 21

ADA RR Stall: Max distance from end of stall to door hinge

Answer 21

4”

Question 22

ADA RR Stall: Min distance from door to wall opposite stall

Answer 22

42”

Question 23

Grabs bars must be mount __” to __“above the floor

Answer 23

33” —36”

Question 24

The centerline of the toilet must be __” from a wall and __” to the closest edge of a lavatory. Grab bars must be at both the back and side of the water closet

Answer 24

16”-18”

Question 25

Urinals must be of the stall type or wall hung with an elonagated rim at a max height of __” above the floor

Answer 25

17”

Question 26

Centerline of toilet must be ____ from edge of lav in residential applications

Answer 26

18”

Question 27

Centerline of toilet m8st be _____ from edge of lav in commercial applications

Answer 27

60”

Question 28

A clear floor space of __” x __” must be provided in front of the urinal, which may adjoin or overlap an accessible route

Answer 28

30” x 48”

Question 29

If the pipes are exposed below the lavatory, they must be

Answer 29

insulated or otherwise protected and there must not be any sharp or abrasive surfaces under lavatories or sinks

Question 30

Faucet must be

Answer 30

operable with one hand and cannot require tight grasping, pinching, or twisting of the wrist. Lever operated, push type, and automatically controlled mechanisms are acceptable.

Question 31

Mirrors must be mounted with the bottom edge of the reflecting surface no higher than __” from the floor.

Answer 31

40”

Question 32

If a drinking fountain is freestanding or built-in without clear space below, it must have a clear floor space in front of it at least __” x __”, which allows a person in a wheelchair to make a parallel approach

Answer 32

30” x 48”

Question 33

The IBC requires that ___ drinking fountains must be provided, one for wheelchair users and one for persons who are standing.

Answer 33

2

Question 34

Bathtubs must have an ___________ or a ____ at the head of the tub

Answer 34

in-tub seat —seat at the head of the tub

Question 35

When there is an enclosure, it cannot obstruct the ________ or the __________________________ onto seats or into the tub. Enclosure tracks cannot be mounted on the rim of the tub

Answer 35

controls—transfer from from wheel-chairs

Question 36

When facilities with accessible sleeping rooms or suites are provided

Answer 36

a minimum number of rooms having roll-in showers, as specified in the ADA or the Federal Fair Housing Act, is required

Question 37

A ____ is required in the smaller shower stall configuration, while a ____________ is required in the larger configuration if a permanent seat is not provided

Answer 37

seat—folding seat

Question 38

Floor surfaces must be

Answer 38

stable, firm, and slip-resistant

Question 39

If there is a change in level, the transition must meet the following requirements. If the change is less than___”, it may be vertical and without edge treatment. If the change is between ___” and ___”, it must be beveled with a slope no greater than ___. Changes greater than ___” must be accomplished with a ramp.

Answer 39

1/4”—1/4” and 1/2”—1:2—1/2”

Question 40

Carpet must have a firm cushion or backing or no cushion, as well as __________, ______________, or ____________________________. It must be securely attached to the floor and have trim along all edges.

Answer 40

level loop, textured loop, level-cut pile, or level-cut/uncut pile texture with a maximum pile height of 1/2”

Question 41

Ramps

Answer 41

are required to provide a smooth transition between elevation changes, for both wheel chair bound persons as well as those whose mobility is otherwise restricted

Question 42

In general, the least possible slope should be used, but in no case can a ramp have a slope greater than

Answer 42

1:12

Question 43

The maximum rise for any ramp is limited to

Answer 43

30”

Question 44

In some cases where exiting conditions prevent the ____ slope, a ____ slope is permitted if the maximum rise does not exceed _”. A 1:8 slope is permitted if the maximum rise does not exceed _”

Answer 44

1:12—1:10—6”–3”

Question 45

A ramp must have a minimum clear width of __” and landings at least as wide as the widest ramp leading to them. Landing lengths must be a minimum of __”. If ramps change direction at a landing, then the landing must be at least __“square

Answer 45

36”—60”—60”

Question 46

Ramps with rises greater than _” or lengths greater than __” must have handrails on both sides, and the top of the handrail must be from __” to __” above the ramp surface. Handrails must extend horizontally at least __” beyond the top and bottom of the ramp segment and have a diameter or width of gripping surface from ____” to ____”

Answer 46

6”—72”—34”—38”—12”—1-1/4”—1-1/2”

Question 47

The maximum riser height is _” and the treads must be a minimum of __” as measured from riser to riser.

Answer 47

7”—11”

Question 48

How high must a protruding object be from the floor to not have a maximum depth

Answer 48

27”

Question 49

Max protrusion from a wall if below 27”

Answer 49

4”

Question 50

Min headroom to a protrusion from the ceiling

Answer 50

80”

Question 51

Permanent rooms and spaces must be identified with signs having lettering from ___” to _” high, raised ____” above the surface of the sign. Lettering must be all uppercase, in sans serif or simple serif type accompanied with Grade 2 Braille. If pictograms are used they must be at least _” high and must be accompanied by the equivalent verbal description, placed directly below.

Answer 51

5/8”—2”—1/32”—6”

Question 52

Signs must have an (finish)

Answer 52

eggshell matte or other nonglare finish with characters and symbols contrasting with their background

Question 53

Permanent identification signs must be mounted on the wall adjacent to the back latch side of of the door such that a person can approach to within _“of the signage without encountering protruding objects or standing within the door swing. Mounting height to the baseline of the lowest tactile character must be __” minimum and __” maximum. When there is no wall space to the latch side of the door, including double leaf doors, the sign must be placed on the nearest adjacent wall

Answer 53

3”—48”—60”

Question 54

Directional and informational signs must have lettering from___” to _” high; depending on the viewing distance

Answer 54

5/8”—3”

Question 55

Emergency warning systems must provide a visual and audible alarm. Audible alarms must be ___ db louder than the prevailing sound level of the room, and visual must have:

Answer 55

15 dB —— Flashing lights have a flashing frequency of about 1 cycle/sec

Question 56

How many telephones must comply with ADA regulations?

Answer 56

One telephone per floors must conform

Question 57

The location of text telephones

Answer 57

must be identified with the international TDD symbol, and volume control telephones must have a sign depicting a telephone handset with radiating sound waves. In assembly areas, permanently installed assistive listening systems must display the international symbol for hearing loss access

Question 58

Call buttons for elevators must be:

Answer 58

48” max for the up highest button

Question 59

If fixed or built in seating or tables are provided in accessible public or common uses areas: Space required if HC area is open to aisle

Answer 59

30”

Question 60

If fixed or built in seating or tables are provided in accessible public or common uses areas: Space required if HC area is against a wall

Answer 60

36”

Question 62

In auditorium or stadium style seating at least 1% of all fixed seating

Answer 62

must be aisle seats with no armrests on the aisle side, or must have removable or folding armrests on the aisle side. At least one companion seat must be provided next to each wheelchair seat.

Question 63

which title of the ADA most affects interiors

Answer 63

title III

Question 64

requirements for construction and interiors are actually in the…

Answer 64

ADAAG

Question 65

What is ADAAG

Answer 65

ADA accessibility guidelines

Question 66

ADA is based on…

Answer 66

ANSI 117.1

Question 67

requirements that dictate # of accessible features/elements to be provided

Answer 67

scoping provision

Question 68

continuous accessible path connecting all accessible elements and spaces in a building

Answer 68

accessible route

Question 69

w,d for stationary wheelchair space

Answer 69

30x48

Question 70

max level change without bevel

Answer 70

1/4”

Question 71

max level change of up to 1/2” with a____

Answer 71

bevel

Question 72

___” at pull latch side

Answer 72

18”

Question 73

___” at push latch side

Answer 73

12”

Question 74

height for grab bars

Answer 74

33-36”

Question 75

minimum length for grab bars

Answer 75

36”

Question 76

minimum depth for lavatories

Answer 76

17”

Question 77

minimum height for knee clearance

Answer 77

27”

Question 78

max countertop height

Answer 78

34”

Question 79

max knee space width

Answer 79

30”

Question 80

of grab bars at a tub

Answer 80

4

Question 81

heights for 4 grab bars in tub

Answer 81

3 @ 33-36” aff, 1 @ 9” above tub ledge

Question 82

max carpet pile height

Answer 82

1/2”

Question 83

max nosing dimension

Answer 83

1 1/2”

Question 84

if an object protruding from ceiling lessens ceiling height any lower than ____” than a gaurdrail or barrier must be provided at floor

Answer 84

80”

Question 85

protruding objects higher than 27” can protrude ___” from wall

Answer 85

4”

Question 86

floor surface with a heavy texture and contrasting color in front of hazardous situations require a

Answer 86

detectable warning

Question 87

signage should be mounted on (latch/hinge) side

Answer 87

latch side

Question 88

mounting height for lowest tactile character is ___-____”

Answer 88

48-60”