ADA Dimensional Standards

Question 1

ADA

Toilet and Accessories Requirements

Answer 1

Question 2

ADA

Changes in levels

changes in levels = __

beleved edge ok = __

requires Ramp = __

Answer 2

1/4” max w/o edge treatment

1/4” – 1/2” w/ 1:2 max slope

1/2” or more

Question 3

ADA

Door Requirements

Opening width = __

Door Clearance

pull side = __

push side = __

Answer 3

32” clr min when open 90 deg

1’-6” clr on pull side of door

12 inches on push side

Question 4

ADA

Handrails

Height = __

Cross section = __

Extension = __

Stairway with between Handrails = __

Answer 4

4” min - 38” max

1-1/4” - 2” and 1-1/2” clr from wall

12” top and 12”+ 1 tread bottom

48” clr between hand rails min

Question 5

ADA

Ramps

slope = __ (min-max)

width = __

length = __

landings = __

2 handrails = __

Answer 5

5-8%

3’-0” wide

30’-0” max

5’-0” at each end (width of ramp)

If rise is +6” or run is +72”

Question 6

ADA

Accessible Route

wheelchair passage width = ___

2 wheelchair passage width = ___

Headroom = ___

Turning space = ___

CFS = ___

Cross Slope = ___

Answer 6

32” clr at a point/36” clr continuous

60” clr min

80” min

5’-0” circle min

2’-6” wide x 4’-0” long min 30x48

1:50 max

Question 7

Fair Housing Act

Fair Housing Act Guidelines

Answer 7

• Covers most housing (owner-occupied building with 4 or less units, single family houses sold/rented by and housing run by clubs that limit occupancy to members are sometimeexempt)
• Requirements for New Buildings with 4 or more units and an elevator:
• Public common area must be accessible
• Doors and hallways mush be wide enough for a wheelchair (32”-36”min)

All units must have:

• An accessible rough into and through the unit
• Accessible light switches, electrical outlets, thermostats,etc
• Reinforced bathroom walls to allow later installation of grab bars
• Kitchens/bathrooms can be used by people in a wheelchair
• These rules do not replace more stringent state/local codes

Question 8

Walkways

Curb Cuts

Car Parking Space

Van Parking Space

Accessible Parking Space max distance from building

Answer 8

1:20 max (5%)

3’-0” sides 1:10 max, front 1:12

9’-0” wide min with 5’-0” wide aisle

11’-0” wide min w/5’-0” wide aisle

200’-0” max from building entrance

7 - 50 car lot = 2 accessible spaces

51 - 100 car lot =3 accessible spaces

101 - 150 car lot= 5 accessible spaces

Question 9

Site Slope Percentage = Vertical/Horizontal x 100

flat area - good for all activities

moderate

steep - unusable

very steep, subject to erosion

Answer 9

< 4%

4 - 10%

10 - 50%

+ 50%

Question 10

Construction Slope Percentage =

Vertical/Horizontal x 100

storm drains

sanitary sewers

street surface drainage

planted or large pavers

lawns

banks

parking area/lot

automobile ramps

sidewalks

streets/paved driveways

Answer 10

storm drains=0.3% minimum

sanitary sewers =0.4 - 1.4%

street surface drainage = 0.5% minimum

planted or large pavers = 1% minimum

lawns = 25%

max planted banks = 50% max

parking area/lot = 5% max

automobile ramps = 8% max

sidewalks = 10% max

streets/paved driveways= 10% max