Concrete Wheelchair Ramp Specifications

Measure the area where the ramp is to be located.

Concrete wheelchair ramp specifications.

The slope of a ramp is expressed as a rise to run ratio. Some areas require wider ramps. All ramps shall have top and bottom landings as wide as the ramp itself and at least 60 inches. An ada ramp is required to be 36 inches wide and cannot exceed a 1 12 slope.

Rise is the vertical elevation of a ramp. 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. Run is the horizontal distance. Ada ramp specifications ramps may have a maximum slope of 1 12.

This means the ramp must be built at least 42 inches wide to allow for the 1 inch spacing between the handrail and any surface and the actual 1 inch handrail. Ada guidelines require a minimum 5 x 5 flat unobstructed area at the top and bottom of the ramp. Wheelchair ramp building specs. Ada further specifies that the wheelchair ramp surfaces must be hard stable and regular.

Mark the ramp area using stakes and string. For instance a 30 inch rise requires a 30 foot handicap wheelchair ramp. Soft loose surfaces and irregular surfaces that could impede wheelchair movement have to be avoided. The minimum inside clear width of the opening between the opposing handrails must be at least 36 inches to accommodate a wheelchair.

Ramps must be a minimum of 36 inches wide. How to build a concrete wheelchair ramp.