AOTA Home Accessbility

Question 1

what is the minimum clear width of an accessible route for wheelchairs?

Answer 1

36 inches, except at doors

Question 2

define the acceptable clearances for a ramp

Answer 2

max slope is 1:12, preferred is 1:16 and 1:20
max rise is 30 inches
minimum to clear is 36 inches
ramp run that has a rise of more than 6 inches or a horizontal projection of more than 72 inches should have handrails on both sides.

Question 3

define the acceptable clearances for stairs

Answer 3

all should have uniform riser heights and uniform trad widths of no less than 11 inches

Question 4

define the acceptable clearances for handrails

Answer 4

clear space of 1 to 1 1/2 inches between handrail and wall
heigh of 24-28 inches measured to top of gripping surface from ramp surfafe or stair nosing is recommending
max height of 28 inches recommend for children.

Question 5

define the acceptable clearance for doorways

Answer 5

minimum clear opening is 32 inches, 26 inches for standard wheelchair and 18 for walkers.
thresholds should not exceed 3/4 inches for exterior doors and 1/2 inch for other types
raised thresholds should be beveled with slope no greater than 1/2 inches.
door hardware shouldbe mounted no higher than 48 inches above finished door.

Question 6

define acceptable clearance for wheelchairs in all areas.

Answer 6

minimum of 60 inches diameter or 60 inches in shaped shapce for a pivoting 180 degree turn to avoid need for repeated tries and bumping into surround objects.

Question 7

define universal design

Answer 7

concept of design in all products and the built environments to be aesthetic and usable to the greatest extend possible by everyone, regardless of their age, ability or status in life.

Question 8

what are the principles of universal design

Answer 8

equitable use
flexibility in use
simple and intuitive use
perceptible information
tolerance for error
low physical effort
size and space for approach and use

Question 9

what are some general considerations when deciding to give a client a universally designed item?

Answer 9

competence

clients current performance skills leve, limitations, and expected performance patterns.

Question 10

what is the goal of a home assessment?

Answer 10

modification of the environment, context, and activity demands to support client’s safe and independent occupational performance at home.

Question 11

what are the three types of home evaluations

Answer 11

environment
person
interaction of person with environment