There are two types of edge protection to choose from: The guardrail, which is different than the handrail, must be at least 42 inches from the walking surface to prevent people from falling over the side of the ramp.Įdge protection is required along the edges of an ADA ramp run and landing. The balusters must not be spaced farther than 4″ apart from one another so that a child cannot slip through the space. Baluster spacingīalusters are required on ADA ramps to protect against falling. View all ADA ramp handrail requirements, including length, perimeter, location above the walking surface, and more. The minimum clearance between the ramp handrails is 36 inches so that a wheelchair can fit between the handrails with ease. This helps people with disabilities maintain their balance while using the ramp. If a railing is present along the side of a ramp, it must extend at least 12 inches beyond the top and bottom of the ramp. Handrails help people with disabilities maintain balance and stability while using the ramp. Doorways: if there are doorways that lead onto a landing, see the following ADA ramp landing requirements.ĪDA ramps must have handrails on both sides that are between 34 and 38 inches above the ramp surface.Change in direction: if the ramp changes direction, you need a landing with a clear space that is at least 60 inches by 60 inches.Length: the landing length must be at least 60 inches without obstruction.Width: the landing must be at least as wide as the widest ramp run that connects to the landing.Why? Because the landings serve as resting areas, the Americans with Disabilities Act determined that after 30 feet of continuous run, a resting area is needed. That means that the maximum length is 30 feet, so one additional platform landing is required for every additional 30 feet of ramp. Number of Resting Platform Landingsįollowing the ADA ramp requirements, the maximum rise for a single ramp run is 30 inches. Landings provide a place for people with disabilities to rest and turn around if necessary. These landings should be at least as wide as the ramp and at least 60 inches long. Platform LandingsĪDA ramp requirements include landings at the top and bottom of the ramp. Ramp WidthĪDA ramps must be at least 36 inches wide, which allows people using wheelchairs or other mobility devices to safely navigate the ramp. To ensure that your ramp is not steeper than the 1:12 ratio, your ramp needs to be 40 feet long. For example, the door on your building is 40 inches above the ground. The ramp length is directly related to the height between the ground and the bottom of the door, along with the required slope. If you’re unsure about how to do the calculations, use the ramp slope calculator. The steepest slope that an ADA ramp can have is 1:12 which means for every inch of threshold rise, the ramp must be at least 12 inches (one foot) long.
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