April 16, 2020|News
A Guide to ADA Handrails
When it comes time to design hallways and corridors for medical and healthcare buildings it’s easy to forget the specific ADA requirements for handrails. So we wanted to create a concise guide to provide the ADA requirements and answer frequently asked questions regarding handrails that are compliant with the Americans with Disabilities Act (ADA). A full description of ADA regulations can be found at www.ada.gov.
Do I Need a Handrail? Where Are They Required?
Handrails are required for two areas: stairs and walking surfaces with a running slope of greater than 5% or 1:20, such as a ramp. This article will explain the requirements for handrails on walking surfaces.
Handrails are not required for walking surfaces with a running slope of less than 5% or 1:20, such as in a fairly level hallway. Although not required, there are a few considerations when determining whether to specify a handrail.
You want a handrail if the occupants of the building might be at risk of falling, such as medical and senior living facilities. We always want to design for the highest level of safety for the occupants and handrails reduce falls, provide weight assistance, and comfort for patients. Even if they don’t use the handrail it is psychologically comforting to know that assistance is available. Also, we want to protect the owners from safety liabilities.
If you do install a handrail in an area where it is not technically required, it must still comply with the ADA regulations listed below.
What are the Dimensional Requirements for an ADA Handrail?
The ADA requires handrails to meet requirements in height, clearance, gripping surface, and cross section.
Height – How High Should a Handrail be?
The height of an ADA handrail must be between 34 in. (865 mm) and 38 in. (965 mm). This is measured from the walking surface to the top of the gripping surface.
ADA Handrail Height Requirements
Clearance – How Much Clearance does an ADA Handrail Need?
The distance between the grip on the handrail and the wall or the adjacent surface must be 1 ½ in. (38 mm) minimum.
ADA Handrail Clearance Requirements
Handrails must not be obstructed along the tops or sides. On walking surfaces with a slope of less than 5%, the bottom of gripping surfaces are allowed to be obstructed along their entire length.
If installing a handrail that is not obstructed along the entire length, the bottoms must not be obstructed for more than 20% of the length.
Handrails with circular cross sections must have a diameter of 1 ¼ in. (32 mm) minimum and 2 in. (51 mm) maximum.
Handrails with non-circular cross sections must have a perimeter dimension of 4 in. (100 mm) minimum and 6¼ in. (160 mm) maximum. They must also have a cross section dimension of 2 ¼ in. (57 mm) maximum.
ADA Handrail Cross Section Diameter Requirements
ADA Handrail Cross Section Parameter Requirements
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