cific requirements for a wheelchair ramp are outlined in theAmericans with Disabilities Act (ADA). Any passageway, or means ofentry, with a slope greater that a 1:20 ratio is considered a rampand must comply with these specifications.The slope of any ramp should be the gentlest possible with themaximum being 1:12. The maximum height of a ramp between levelareas should be 30 inches with a width of 36 inches. Each ramp musthave a level landing, at least as wide as the ramp, and at least 60inches in length, at its top and bottom. If a ramp changesdirection at the landing, the landing must be at least a 60 inchsquare. A landing with a door must conform to additional spacerequirements based on the direction in which the door swings, hingeand latch positions.Requirements for curb ramps being con