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.
10. Table Placement and Seating Distribution
If tables or work surfaces are available, is there a 36 inch aisle
clearance between tables for wheelchair access?
Do seating spaces at tables or work surfaces all ow for a
forward approach and provide a clear floor space of 30 by 48
inches? See lower figure at right.
Are accessible tables and accompanying seating spaces
distributed through out the room or space?
Note: People should be able to choose the locations and
types of tables, seating and other furnishings.
11. Table Height and Legroom
Do the spaces under tab I es or VIOrk surfaces provide clear
space for knees and toes?
Note: 2? inches mhimum height under table for knee
clearance)· 9 inches m·nimum in height where toe clearance
is required)· and the clearance for toes shall extend 1? inches
m·nimurn under the table?
Are top surfaces of the tables and VIOrk surfaces 28 inches
minimum to 34 inches in maximum height above the floor?
12. Protruding Objects
Do protruding and hanging objects with a leading edge more
than 27 inches above the floor, protrude no more than 4
inches into any passage vvay provided for pedestrian travel?
Note: Exarrples of protruding objeds include signs)
telephones) water fountain~ planter~ larrps) fire
extinguisher enclosures) etc.
Do all exterior pass age ways provide a mini mum unobstructed
head clearance (headroom) of 80 inches?