Environmental Access

Question 1

What are the dimensions of a standard manual wheelchair?

Answer 1

Seat width - 18”
Chair width - 26.5”
Occupied width - 36”

Question 2

Define Grade of an incline

Answer 2

Vertical change / horizontal distance, and describes change in elevation of the path

Question 3

Define cross-slope

Answer 3

Cross-slope refers to the slope measured perpendicular to the direction of travel.

Question 4

What are the ADA specifications for Ramps?

Answer 4

1) Max grade = 1’ rise -> 12’ ramp
2) Min width= 36”
3) Top and bottom landings required

Question 5

What are the ADA specifications for doorways?

Answer 5

1) Min width- front approach at least 32” with door open at 90
2) Weight should not exceed 5 lbs
3) Need at least 18” additional space on the handle side when opening

Question 6

What are the ADA standards for environmental controls?

Answer 6

1) Max height - 48” (front)
2) Max height - 54” (side)
3) Max low - 15” from floor