For commercial public access a 1 12 ratio is required check your local codes.
Electric wheelchair ramp slope.
Ada ramp specifications require a 1 12 ramp slope ratio which equals 4 8 degrees slope or one foot of wheelchair ramp for each inch of rise.
Divide rise by the run of ramp.
Ada guidelines require a minimum 5 x 5 flat unobstructed area at the top and bottom of the ramp.
Disability systems recommends a 1 12 slope on most applications.
A 24 rise requires a minimum ramp length of 24 288 24 divided by 1.
For commercial use when somebody is sitting in the wheelchair or scooter while it climbs the ramp ada recommends a 1 12 slope which means that every 1 of vertical rise requires at least 1 12 of ramp length 5 degrees of incline.
Residential applications can use a 2 12 slope ratio if space is an issue but only if an assistant is present to help push the wheelchair or to help a person walking on the ramp.
Please call our wheelchair ramp specialists today at 1 855 638 7554 we ll be glad to provide you with all the information you need to get started on your project.
Modular ramps modular ramps are built for both home and commercial access.
For instance a 30 inch rise requires a 30 foot handicap wheelchair ramp.
To determine the percent of grade.
Wheelchair ramp slope and percent of grade information percent of grade formula.
Run is not the length of the ramp.
Maximum slope for power chairs should be 1 5 rise to 12 length 7 1 degree angle.
Learn the correct measurements of a properly constructed wheelchair ramp.