Top of gripping surfaces of handrails shall be 34 inches (865 mm) minimum and 38 inches (965 mm) maximum vertically above walking surfaces, stair nosings, and ramp surfaces. They are NOT intended to be referenced in lieu of the official document, which can be found here. The following excerpts are taken from the 2010 ADA Standards for Accessible Design. manufactures handrails that are compliant with all relevant ADA standards. In short, this means that handrails need to be provided along both sides of walking surfaces, ramps and stairs. This act requires that all new construction of public places and commercial facilities, such as office buildings, be accessible to persons with disabilities.
Congress enacted the Americans with Disabilities Act (ADA) in 1990.