7. Thresholds at Doorways
Are the heights of thresholds at doorNays 1/2 inch or less?
Note: Raised thresholds and level changes at doorways
with a height between 114 inch and 112 inch should be
beveled with a maximum slope of 1:2 as shown in the top
figure.
Note: Existing or altered thresholds may be 314 inch high
maximum if their edges are beveled with a slope not
steeper than 1:2. See lower figure on the right.
8. Clear Width of Accessible Routes and Reach Distances
Do all interior accessible routes have a minimum clear,
unobstructed width of 36 inches?
Are all objects meant for public use within reach?
Note: For both forward and side reach, the maximum "high"
reach height is 48 inches and the minimum "low" distance
from the floor surface is 15 inches.
9. Turning Space
Is adequate space available where turning spaces are needed
or required for a wheelchair or other mobility device?
Note: A turning space may be a:
1. Circular space having a minimum diameter of 5 feet
(60 inches) as shown in top figure, or
2. T-shaped space which provides a 60 inch square
minimum with arms and base having 36 inches of
minimum width.