PX- Chapter 9: Barrier-Free Design Flashcards
what does the ADA federal law state
among other things, all commercial and public accommodations be accessible to people with disiabilites
why do you have to comply with ADA if it’s not a building code or enforced
because if you don’t you might be liable for civil law suits
what is an accessible route
a continuous, unobstructed path connecting all accessible elements and spaces in a building or facility
what is the minimum clear width for an accessible route (this is different than an egress corridor)
36” wide
what is the minimum passage point width like a doorway for an accessible route
32”
how long can the passage point be max
24” long if the opening is 32”
if the opening is 36” the area can be deeper
what is the minimum passage width for two wheelchairs
60”
how often must you have a wheelchair passing space if your corridor is less than 60” wide
intervals not exceeding 200 feet
what is the clearspace required for a wheel chair
30 x 48
what is the max slope for an accessible route that is NOT a ramp
1:20 or 5%. Any bigger than this and it’s a ramp and must conform to the ramp requirements
what do you do if you can’t accommodate the required door clearances at swinging doors
use a power-assisted mechanism or auto door opener
what is the max change in vertical change of a threshold at doorways
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
what is the max overall height of a threshold
1/2”
what is the minimum clearances for toilet stalls for width and length
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)
what is the minimum toilet stall door clear width
32”
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?
18” in a stall
16-18” in a room
16-18” residential
how long is the grab bar behind the toilet and how far from the wall is it when in a toilet stall
36” and 6” from wall in toilet stall
how long is the grab bar on the side wall and how far from the back wall is it when in a toilet stall
42” and 12”
which direction should the door swing for a toilet stall
out
how high are grab bars mounted
btwn 32” and 36” AFF
what is an ambulatory toilet stall, when do you need one and what is it’s size
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
what is the minimum CLEAR FLOOR SPACE (not size) of a toilet with out a stall (like it’s own room)
60” wide at toilet wall x 56” deep clear floor space
in a residential unit, how far away must the vanity be from the CL of the toilet
18” min
what is the max height of a urninal AFF for accessibility
17” rim height
what is the max height for wall mounted mirrors to be at for accessibility
40” at the bottm edge at max
what is the max mounting height of a lav or sink AFF
34”
what does a bathtub need in order to be accessible
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
what is required for an accessible shower stall
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
what is the max slope for an accessible ramp
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”
what is the maximum height change overall for an accessible ramp. If they are higher than this what should you do?
30” high, if higher, must add a level landing before the next run of ramp
what is the min clear width of an accessible ramp
36” wide (same as egress)
how long (not wide) must a ramp landing be
60” long
when do you need handrails on ramps
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
which side of the ramp does the handrail need to extend
both top and bottom at least 12” (same for stairs)
when would you not require a handrail on a ramp if it’s over 6” high
in assembly areas if the ramp is next to seating
what must signage for the visually impaired say
emergency info and general circulation directions
what is the size of lettering and font style and finishes for permanent rooms for accessibility. Where are they mounted?
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
how high AFF must an elevator call button be for accessibility
48” to center
when would you need to provide accessible seating
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
what are the 7 principles that the Center for Excellence in Universal Design
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
what is way finding
easily identifiable signage
what are the requirements for directional and information signs for universal design
letters are between 5/8” and 3” high
upper case or lower case lettering (dont mix?)
have high contrast symbols
non glare finish
when do you need to put the wheel chair sign on parking spaces, loading zones, entrances and washrooms
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.
what are the signage requirements for permanent rooms
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.
