IDFX - ADA Dimensions

Accessible (barrier-free) toilet min. clearance

60” along the rear wall

56” along side wall

Accessible (barrier-free) shower min. clear floor space required for side transfer

36” x 48”

Accesible (barrier-free) work surface min. and max. height

min: 28”

max: 34”

Accessible lavatory min. depth

17”

Barrier-free lavatory mirror max. mounting height AFF

40” AFF

Mounting height and minimum length of horizontal grab bars at the sidewall of an accessible toilet

mounting height: 33”-36”

length: 42” min

Mounting height and minimum height of vertical grab bars at the sidewall of an accessible toilet

mounting height: 39”-41”

length: 18” min

Accessible urinal mounting height and max. dimension of top rim

mounting height: 44”

top of rim: 17”

Mounting heights between ____ cannnot protrude more than 4” from the wall into a corridor

27”-80”

Minimum clear door width

32”

Toe-kick height for ADA clearance

9”

Push/Pull door clearance

push: 12” min

pull: 18” min

ADA reach height for an upper cabinet at a non-barrier free work surface

44” max. (non-barrier free work surface is 20”-25” max.)

ADA reach height for an upper cabinet at a barrier-free work surface

48” max. (barrier-free work surface is 20” max.)

ADA minimum reach height on a wall

15” min

Accessible stair handrail diameter

1 1/4” - 2”

Max stair riser height

7”

Min. clear space under an accessible counter

27” H x 30” W x 17” D for knee clearance

Min. clear width of a ramp

36”

Min. landing length for a ramp (top and bottom of a ramp too)

60”

1:10 ramp slope is permitted if the max rise does not exceed __

6”

Ramps with risers greater than __ or lengths greater than __ must have handrails

risers greater than 6”

lengths greater than 72”

Mounting height of a handrail above a ramp surface

34”-38”

Floor clearance space for a sign

18” x 18”

Directional and Informational signage letter heights

5/8” - 3” (uppercase or lowercase letters)

Permanent room signage letter heights

5/8” - 2” (uppercase letters only)

Signage mounting height

48”-60”

Commercial grade cabinet panels have a thickness of

3/4”