ADA Flashcards
minimum clear width of an accessible route (except for doorways)
36 inches
maximum slope of a ramp (and what is prefferred)
1:12 (maximum) 1:16 or 1:20 (preferred)
the maximum rise for any run of a ramp
30 inches
minimum clear width of a ramp
36 inches
when should a ramp have handrails on both sides
if the ramp run has a rise of >6 inches OR a horizontal projection of > 72 inches
stairs should have _________ riser heights and ________ tread widths of no less than ______ inches
uniform; uniform; 11
there should be a clear space of _______ inches between a handrail and a wall
1-1.5
hand rails should be ________ inches, or ________ depending on the persons height
34-38; waist height
maximum height for handrails recommended for children
28 inches
minimum clearance opening for a doorway
32 inches
thresholds at doorways should not exceed _____ inch for exterior sliding doors and _____ inch for other types of doors
3/4; 1/2
reducing a squared edge on an object to a sloped edge
beveled
raised thresholds and floor level changes at accessible doorways should be ________ with a slope no greater than ________
beveled; 1:2
door hardware should be mounted no higher than _______ inches above the finished floor
48 inches
minimum space for a 180 degree pivot for a wheel chair without the need for repeated tries and bumping into things
60 inch diameter OR 60 x 60 inch T-shaped space