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CDS - M01 - ADA
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Wheelchair Passage Width
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32" at a point and 36" continuously.
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Terms in this set (67)
Wheelchair Passage Width
32" at a point and 36" continuously.
Width for Wheelchair Passing
60"
Wheelchair Turning Radius
60"
Wheelchair clear ground space
30"x48"
Forward Reach Height
15-48
When a ramp is to be used.
Running slope <1:20 is a ramp.
Cross slope should never exceed 1:50.
If an accessible route has changes in level <1/2", then curb ramp, ramp, elevator, or platform lift shall be provided.
Areas of Rescue: Stairway Width
48" between handrails.
Head Room
80"
Changes in Level
Up to 1/4" may be vertical without edge treatment.
1/4"-1/2" shall be beveled with a slope no greater than 1:2
<1/2" need ramp.
Ramp Design: Max slope and rise
Max slope: 1:12
Max rise for any run: 30"
Handrails are needed when?
If a ramp has a rise greater than 6", or horizontal projection greater than 72", then it should have handrails on both sides.
Top of handrail mounted between 34" and 38" above stair nosing.
Clear space between handrail and wall
1 1/2"
Treads and Risers
Treads no less than 11" wide. Open risers not permitted.
Risers 4" high min, 7" max.
Door Clear Width
Minimum of 32" with door open 90 degrees. Measured between face of door and opposite stop.
(Doors not requiring full user passage, ex. shallow closets, may have clear opening reduced to 20")
Pull side clearance: 18" min from door and 60" min from face of wall
Push side clearance: 12" min from door and 48" from face of wall
Distance between two Doors in Series
Minimum between two doors: 48" plus width of any door swinging into space. Shall either swing in same direction, or away from space between doors.
