Accessibility (ALL) Flashcards
Vertical/Horizontal/Egress/Toilet/Children/Residential and Signage Clearances
Basic
Stationary wheelchair minimum space
30” x 48”
Basic
Wheelchair 180-degree turn is
60”
* T that is 36 “X 36”
Thresholds
Changes in level WITHOUT treatment
1/4”
1/2” and above have to be treated as a ramp or curb ramp
Restroom
Grab bar height
33” - 36”
Restroom
Toilet placement
AND seat height
- 16” - 18” CL of wall
- 17”-19” to top of seat
Grab Bar Toilet
Rear Bar
36”
6” off side wall
Grab Bar Toilet
Side Bar
42”
12” off rear wall
Restroom
If multiple water closet compartments are provided in a toilet room or bathing room, what percent of the total number of compartments must be wheelchair accessible?
5% or MIN 1
Toilet Partition
Toe Clearance
9” H x 6” D
Urnial
Top of rim
17”
Urnial
Clear Space
30” x 48”
Urnial
Wall to rim
13 1/2”
Lavatory
Clearance Space
30” x 48”
Lavatory
Mirror bottom
NOT FRAME
40”
Lavatory
Top of the lavatory counter height
34”
Lavatory
Bottom of lavatory counter height
27”
Lavatory
Toe Kick
9” H x 6” D
Lavatory
MIN depth of lavatory counter
17”
25” Max
Lavatory
MIN knee clearance depth
8”
Lavatory
MIN knee clearance height
27”
Showers
How many grab bars are needed if shower has no seat
On 3 walls
6” from wall
Showers
Grab Bar height
33” - 36”
Showers
If seat is present in standard roll-in type shower compartments, grab bars shall be provided where
On the back wall and the side wall opposite the seat
Shower
Can grab bars be above a seat?
NO
Ramps
Max Rise
30’
WITHOUT a landing
Ramps
1:12 means what
You need to have 12” of horizontal run for every 1” rise
Ramp
Running Slope
1:12
Ramp
How long can a ramp be before it needs a landing?
Every 30’
Ramp
MIN. Clearance width
36”
Ramp
Landing size
As wide as ramp by 60” long
Ramp
Ramp changes direction, what size of landing is required?
60” x 60”
Ramp
Are handrails required?
IF the ramp is 6” high or 72” in length
BOTH SIDES
Ramp
Handrail height
34” - 38”
Ramp
Handrail diameter
1 1/4” - 2”
Ramp
How far must the handrail extend beyond the ramp?
12”
Top and bottom
Stairs
Riser
7”
Stairs
Tread
11”
10” Residential
Stairs
Handrail height
34” - 38”
Stairs
Handrail diameter
1 1/4” - 2”
Stairs
Clear space between handrail and wall
1 1/2”
Stairs
Accessible route clearance between handrails
48”
Mounting height for outlets
15” Min
48” Max
Restroom
Restroom accessory mounting height
15” Min
48” Max
Signage
ADA required signs
- Bathroom
- Room identifacation
- Wayfinding
Signage
What height and side of a door is a sign mounted at?
Height:48” - 60”
Side: Right (latch side)
This applies to a double door as well
Signage
Font & height
Sans Serif
5/8” Min
Signage
Pictogram height
6” Min
Carpet
The standards specify the maximum pile height
1/2”
Stairs
Top handrail extension
12” Min
Stairs
Bottom handrail extension
Tread depth Min.
11”
Restroom
Water closet clearance
56” x 60”
Example
Master Bedroom Suite
Layout with dimensions
Example
Home Floor Plan
Single level
Reach Limits
What is the the UNOBSTRUCTED forward reach range?
48” MAX and 15” MIN
Reach Limits
What is the the OBSTRUCTED forward reach range?
Depth 20” or less at 48” AFF
Depth 20-25” (MAX) at 44” AFF
Reach Limits
What is the the UNOBSTRUCTED side reach range?
48” MAX and 15” MIN
Reach LImits
What is the the OBSTRUCTED side reach range?
Depth 10” and 34” AFF: 48” AFF
Depth 10 - 24” and 34” AFF: 46” AFF
Reach LImit
What are the reach limits for a washer?
36” AFF (height of machine)
24” AFF (side reach for controlers)
Reach Limits
What are the reach ranges for storage elements?
Side Max 48” and 15” min
Reach Range
What is the reach range for a coat hook?
48” MAX and 15” Min
Reach LImits
What is the required clear space for a telephone on the wall?
30” x 48”
Accessible Routes
What is the MIN clear width of stairs on an accessible route between handrails?
48”
Accessible Routes
What is the clear width for TWO wheelchairs passing in an accessible route?
60”
Dining/Work Surface
Dining and work surfaces shall be a MIN and MAX AFF of?
MIN 28”
MAX 48”
Carpet
Carpet pile can be a MAX height of?
1/2”
Protuding Object
Prodruting object can protrude at any amount if teh leading edge is “ or less above AFF and more than” above AFF
27”
80”
Protruding Objects
What is the MAX an object and prodrute if the protrusion is between 27” and 80” AFF?
4”
Protruding Objects
Handrails can protrude a MAX of what?
4 1/2”
Doors & Doorways
What is the clear opening witdth for a doorway?
32”
Doors & Doorways
What is the MIN door clearance height?
80”
Existing door can be 78”
Doors & Doorways
What is the door swing clearance when 2 doors are swining in the same direction?
Two Doors in Series.
60”
Doors & Doorways
What is the door swing clearance when 2 doors are swining in the opposite direction?
Two Doors in Series.
60”
Doors & Doorways
What is the door swing clearance when 2 doors are swining in into each other?
Two Doors in Series.
60”
Doors & Doorways
Front Approach
Swinging Doors
Doors & Doorways
Parallel Approach (Hinge Approach)
Swinging Doors
Doors & Doorways
Latch/Strike Side Approach
Swinging Doors
Doors & Doorways
Recessed Doors & Maneuvering Spaces
Swinging Doors
Lavatories
MIN top of Mirror
NOT Frame
74”
Lavatories
If the depth of a
Restroom
Dispenser - Types of Accessories
15” MIn
48” Max
Restroom
Clear Space
Single
Width: 60”
Depth: 56” Wall hung toilets
Depth: 59” Floor mounted toilet
Restroom
Does a toilet room for a single occupant with access only trhough a private office need to comply with to toilet height of 17” - 19” ?
NO
Restrooms
Where the combined total water closet compartments and urinals provided in a toilet room or bathing room is six or more, at least, what percent of the total number of compartments shall be ambulatory accessible, provided in addition to the wheelchair-accessible compartment?
5%
Restrrom
Vertical Grab Bar height
39” - 41”
18” MIN length
Showers
Clear inside space of a roll-in shower
60” x 30”
Showers
Controls and hand showers shall be at what height?
MIN 38”
MAX 48”
15” MAX center
Showers
Roll-in shower threshold shall have a max height of what?
1/2”
Children
Height of water closet seats for children’s use is?
11-17” MAX
Children
Horiztonal grab bar height
18” - 27” MAX
Length is the same as adult
Children
Veritcal grab bar height
21” - 30” Max
Length same as adult
Children
Flush controls on a toilet are at what AFF?
36” Max
Children
Toilets and their respective grab bars have varying requirements by age
Children
Top of lavatory height
Ages 6-12
31”
Children
Childrens Reach Ranges
Children
Height of tops of tables and counters AFF
26” - 30” MAX
Used for children 6 and younger
Children
Floor area space for a toilet compartment
60” x 59”
Wall hung and floor mounted toilets
Residential
What is the MIN clearance into a kitchen?
40”
Signage
Where there is no wall space at the latch side of a single door or at the right side of double doors, signs shall be located where?
The nearest adjacent wall
Signage
What is the clear space in front of the sign at a door?
18” MIN
Sign centered on tactile characters
Signage
Where must wheelchair symbol must be installed?
Parking spaces
Passenger loading zones
Accessible entrances
* Toilet & bathing facilities (if multiple)
Signage
Visual characters on a sign must be installed at what height?
Directional and informational visual signs
40” MIN
70” MIN
What is the essence of Universal Design?
Design is accessible to most the amount of people
Where should the top of the bench seat be measured to?
17” - 19” MAX
For front loading washing machines, how far should the centerline of the clear floor space be offset from the centerline of the door opening?
24”
What is the maximum AFF for the door to the laundry compartment on front loading machines?
36”
What is the maximum height for the spout outlet of wheelchair accessible drinking fountains?
36”
Bathroom
How many grab bars are required for bathtubs with a permanent seat on the back wall?
Two horizontal
Showers
What is the maximum threshold height for transfer-type shower compartments in existing facilities where alterations would not be feasible?
2”
Ramp
What is the maximum slope allowed for ramps according to the requirements?
1:12
Restroom
What is the installation range from the floor for dispensers near toilets according to the ICC A117.1?
14” - 19”
Bathroom
What is the minimum required depth of clearance in front of bathtubs?
30”
What is the minimum knee clearance required for dining surfaces?
27” - 30”
What is the maximum depth knee clearance permitted to extend under an element at 9 inches above the floor?
25”
Thresholds
Thresholds up to ____________ inches can be ________ & have a 1:2 slope
1/2” and 1/4”
In an ACCESSIBLE ROUTE, the minimum passage point width of 32” CANNOT be longer than ___________ inches
24”
Children
How far from the wall should the centerline of a children toilet be installed?
12”
Signage
What is the height range for letters on directional signage?
5/8” - 3”
Bathroom
Where should the controls for hand showers be located in a transfer shower with seat?
On the wall opposite the seat
The coat hook behind the accessible toilet room door must be installed
Between 15”-48” AFF
Lavatory
What are the MINIMUM Knee clearance dimensions under a lavatory
8”
The corridor in the building is 44” wide. However, it just became an accessible egress route. This will require wheelchair passing areas throughout. How far apart would these need to be located?
100’
The panel access is recessed between two wing walls that are 18” deep creating an alcove. What would be the MINIMUM maneuvering floor clearance area for parallel approach of a wheelchair?
60”
A floor mounted drinking fountain is protruding into the corridor about 12”. What do you do?
Leave it as is
What are the dimensions of a standard Roll-in type shower stall?
30” x 60”
What measurements would be required when maneuvering a wheelchair in an alcove that is 18” deep during parallel approach?
30” X 60”
What is the MINIMUM width of this corridor A?
54”
Toe clearance under a toilet compartment partition should be ________ for Children and ___________ for adults
12” childrend
9” adults
Which one is the BEST location for a thermostat in housing for the elderly
40” AFF on center
74” is the ____________ height of the top edge of a mirror above a sink.
Minimum
What is the required clearance of a water closet door?
42”
On the following Egress Corridor, indicate the required distance A
22”
This dimension is 1/2 of the required width of the corridor. In this case, the corridor is 44”, so the required clear distance is 22
What is the minimum depth of a work counter?
17”
Which carpet type would be the best choice to install in a nursing home facility?
1/2” loop height, with backing, no pad
How high AFF will this type of sign need to be installed?
40” - 70”
Select the components of an accessible route
- Ramps no steeper than 1:10
- Stairs
- Doorways
- Walking surfaces no steeper than 1:20
- Elevators
- Platform Lifts
- Doorways
- Elevatiors
- Walking surfaces no steeper than 1:20
- Stairs
- Platflorm lifts
Children
Knee Clearance
24” MIN AFF
Children
Height of toe clearance under a partition
12” MIN
Children
Bottom of lavatory height
24” min
