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The American for Disabilities Act standards suggests 1 foot of ramp for every 1 inch of vertical rise
Simple ramp chart |
Choose this length ramp: |
||
If your Rise (vertical height) is this high: |
And you need to meet the ADA requirement for Self-propelled wheelchair |
And you need a ramp suitable for walking or using a wheelchair with help |
And you need a ramp suitable for using a Scooter or Power wheelchair |
6 inches |
6 feet long |
3 feet long |
2 feet long |
10 inches |
10 feet long |
5 feet long |
4 feet long |
14 inches |
14 feet long |
7 feet long |
5 feet long |
18 inches |
18 feet long |
9 feet long |
6 feet long |
22 inches |
22 feet long |
11 feet long |
8 feet long |
26 inches |
26 feet long |
13 feet long |
9 feet long |
30 inches |
30 feet long |
15 feet long |
10 feet long |
SpinLife’s simple guide on how to correctly size a ramp.
In planning a ramp installation, think about how you’ll use the ramp. Will you be walking, wheeling, wheeling with assistance, or motoring? You’ll need to know the Rise to decide on the Ramp Length (Run).
To figure the Rise (Vertical height), just measure from the ground level, straight up to the top level you need to access.
To figure the Ramp Length you need, see below:
The slope cannot be greater than 1 inch of rise to 1 foot of ramp length. That slope is comfortable for a person self-propelling a wheelchair up the ramp without help.
Example: If you have two steps, and each is 7 inches high, the total rise is 14 inches. Your ramp needs to be 14 feet long. 1 inch of rise to 1 foot of length
If a person is walking, or being pushed in a wheelchair, 2 inches of rise per 1 foot of ramp length is fine.
Example: If you have two steps, and each is 7 inches high, the total rise is 14 inches.
Your ramp needs to be 7 feet long. 2 inches of rise to 1 foot of length
Example: If you have two steps, and each is 7 inches high, the total rise is 14 inches.
Your ramp needs to be 4 ½ feet long. 3 inches of rise to 1 foot of length.
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