The 2010 standards provide more flexibility than the 1991 standards as follows.
Stair handrail requirements ada.
4 9 2 treads and risers.
A handrail is required on stairs with two or more risers and ada ramps with a rise of 6 inches.
Summary of code requirements for residential stairs.
Open risers are not permitted.
The department of justice published revised regulations for titles ii and iii of the americans with disabilities act of 1990 ada in the federal register on september 15 2010.
They are required on both sides of stairs and ramps.
So this basically sums up the basic code requirements for residential stairs and their dimensions.
Stair treads shall be no less than 11 in 280 mm wide measured from riser to riser.
These regulations adopted revised enforceable accessibility standards called the 2010 ada standards for accessible design 2010 standards or standards.
On any given flight of stairs all steps shall have uniform riser heights and uniform tread widths.
Maximum 4 1 2 inch handrail projection into stairway width on either side.
While the finer details will ultimately be influenced by your local government s building regulations the international building code the international residential code and the standards set by the americans with disabilities act of 1990 maintain that exterior stairs that are a required point of egress in other words stairs that must be crossed on your way in and out of the building.
This guide explains requirements in the ada standards for stairways.
Therefore let us recap on the residential stair code requirements.
Handrails are not required on walking surfaces with running slopes less than 1 20.
Ada stair design specifications ada stair specifications for stair handrailing compliance with the americans with disabilities act.
The requirements for stair and ramp handrails in this document are for adults.
Required compliance interior and exterior stairs that are part of a required means of egress must meet the standards.
When children are the principal users in a building or facility e g elementary schools a second set of handrails at an appropriate height can assist them and aid in preventing accidents.
If you choose to place a handrail in another area such as a corridor it must meet the handrail.
The 1991 standards at sections 4 8 5 4 9 4 and 4 26 and the 2010 standards at section 505 contain technical requirements for handrails.
Stair and ramp handrail requirements for children ada ramp and handrails requirements are different for children or when children are the principle users in a building or facility such as an elementary school requiring all of the ada handrail specifications for adults and a second set of handrails at a lower height for children.
Stairs required to be accessible by 4 1 shall comply with 4 9.
Required compliance 210 stairways 504 handrails 504 6 505 common questions.
