PX- Chapter 9: Barrier-Free Design Flashcards

1
Q

what does the ADA federal law state

A

among other things, all commercial and public accommodations be accessible to people with disiabilites

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2
Q

why do you have to comply with ADA if it’s not a building code or enforced

A

because if you don’t you might be liable for civil law suits

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3
Q

what is an accessible route

A

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

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4
Q

what is the minimum clear width for an accessible route (this is different than an egress corridor)

A

36” wide

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5
Q

what is the minimum passage point width like a doorway for an accessible route

A

32”

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6
Q

how long can the passage point be max

A

24” long if the opening is 32”

if the opening is 36” the area can be deeper

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7
Q

what is the minimum passage width for two wheelchairs

A

60”

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8
Q

how often must you have a wheelchair passing space if your corridor is less than 60” wide

A

intervals not exceeding 200 feet

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9
Q

what is the clearspace required for a wheel chair

A

30 x 48

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10
Q

what is the max slope for an accessible route that is NOT a ramp

A

1:20 or 5%. Any bigger than this and it’s a ramp and must conform to the ramp requirements

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11
Q

what do you do if you can’t accommodate the required door clearances at swinging doors

A

use a power-assisted mechanism or auto door opener

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12
Q

what is the max change in vertical change of a threshold at doorways

A

1/4” (doesn’t mean it can’t be taller than this, it just can’t be a 1/2” change between two levels. You can still have a 1/2” high threshold, it just needs to be beveled

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13
Q

what is the max overall height of a threshold

A

1/2”

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14
Q

what is the minimum clearances for toilet stalls for width and length

A

min 60” wide (the wall the toilet is on)

minimum 56” long with wall mounted toilet (side wall)
Minimum 59” long with floor mounted toilet (side wall)

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15
Q

what is the minimum toilet stall door clear width

A

32”

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16
Q

how far from the wall must the toilet be when in a toilet stall

how far from the wall is a toilet when it’s in it’s own room

in a residential dwelling unit?

A

18” in a stall

16-18” in a room

16-18” residential

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17
Q

how long is the grab bar behind the toilet and how far from the wall is it when in a toilet stall

A

36” and 6” from wall in toilet stall

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18
Q

how long is the grab bar on the side wall and how far from the back wall is it when in a toilet stall

A

42” and 12”

19
Q

which direction should the door swing for a toilet stall

A

out

20
Q

how high are grab bars mounted

A

btwn 32” and 36” AFF

21
Q

what is an ambulatory toilet stall, when do you need one and what is it’s size

A

a toilet stall for people with a cane or crutches.

need one in a toilet room with 6 or more toilet stalls or combo of 6 stalls and urinals

35-37” wide at toilet end
60” deep
door opening of 32” swinging out
42” grab bars on either side of stall

22
Q

what is the minimum CLEAR FLOOR SPACE (not size) of a toilet with out a stall (like it’s own room)

A

60” wide at toilet wall x 56” deep clear floor space

23
Q

in a residential unit, how far away must the vanity be from the CL of the toilet

A

18” min

24
Q

what is the max height of a urninal AFF for accessibility

A

17” rim height

25
Q

what is the max height for wall mounted mirrors to be at for accessibility

A

40” at the bottm edge at max

26
Q

what is the max mounting height of a lav or sink AFF

A

34”

27
Q

what does a bathtub need in order to be accessible

A

seat in the tub or at the head of the tub (not the control end)

must have grab bars on all three walls if there is a seat in the tub

must have grab bars on two walls if the seat is at the head of the tub (no grab bar at seat)

controls are off center

28
Q

what is required for an accessible shower stall

A

small shower stalls (36 x 36) have a fixed seat and grab bars on control wall and back wall

big shower (30 x 60) shower head on back wall, grab bars on all sides, folding seat or a permanent seat

29
Q

what is the max slope for an accessible ramp

A

1:12 (which is the same as an egress ramp)

however if not possible for an exiting ramp, 1:10 can be used if it’s no higher than 6”

30
Q

what is the maximum height change overall for an accessible ramp. If they are higher than this what should you do?

A

30” high, if higher, must add a level landing before the next run of ramp

31
Q

what is the min clear width of an accessible ramp

A

36” wide (same as egress)

32
Q

how long (not wide) must a ramp landing be

A

60” long

33
Q

when do you need handrails on ramps

A

if the rise is bigger than 6” or if the ramp is longer than 72”

must be on both sides of ramp between 34-38” above ramp

34
Q

which side of the ramp does the handrail need to extend

A

both top and bottom at least 12” (same for stairs)

35
Q

when would you not require a handrail on a ramp if it’s over 6” high

A

in assembly areas if the ramp is next to seating

36
Q

what must signage for the visually impaired say

A

emergency info and general circulation directions

37
Q

what is the size of lettering and font style and finishes for permanent rooms for accessibility. Where are they mounted?

A

lettering must be 5/8” to 2” high depending on viewing distance

must be uppercase and sans serif with Grade 2 braille. Icons must be at least 6” high

must be a non-glare finish and must contrast with their background

must be mounted on the latch side and 48” aff to lowest

38
Q

how high AFF must an elevator call button be for accessibility

A

48” to center

39
Q

when would you need to provide accessible seating

A

in a public or common area space with built in seating or tables. 5% of the tables must be accessible, but not less than 1 obviously

40
Q

what are the 7 principles that the Center for Excellence in Universal Design

A

equitable use
flexibility in use
simple and intuitive use
perceptible information
tolerance for error- reduces hazards and consequences of accidents
low physical effort
appropriate size and space- clearances required for reaching and using

41
Q

what is way finding

A

easily identifiable signage

42
Q

what are the requirements for directional and information signs for universal design

A

letters are between 5/8” and 3” high
upper case or lower case lettering (dont mix?)
have high contrast symbols
non glare finish

43
Q

when do you need to put the wheel chair sign on parking spaces, loading zones, entrances and washrooms

A

when every one of those items isn’t accessible- like if the two washrooms are there are both accessible, you don’t need a sign.

44
Q

what are the signage requirements for permanent rooms

A

raised letters between 5/8” and 2” high
uppercase letters in simple font- sans serif or simple serif
must have braille
high contrast symbols
non glare finish
images are min 6” H with related text below
mounting- latch side of door with 18 x 18 clear floor space at the sign center. if there is no room at the latch side, put it on the right side of the door
mounting height- 60” aff to center.