Stair rail system.
Ada stair handrail detail.
The inside handrail on switchback or dogleg stairs shall always be continuous.
Non circular cross section details 6.
Not less than 30 inches above the nosing.
The ada specification measures from riser to riser essentially excluding the additional amount of tread depth afforded by the tread nosing.
This ada detail for 11 inch stair tread width refers to what some specifications call stair tread depth the distance from stair nose to stair riser on an individual stair tread.
Top rail may also serve as handrail if height of the system is between 36 and 38 inches.
Ada standards guidelines recommendations areas of consideration when you are constructing an ada compliant handrail.
Handrail and stair rail systems if a stair has a minimum of four risers a handrail is required.
Handrails must be between 30 and 38 inches as measured from the leading edge of the stair tread.
Accessibility details for ramps stairs elevators ramp with intermediate switch back platform figure 11b 405 7 ramp landing ramp with turning platform ramp landing and doorway as a covered entity under title ii of the americans with disabilities act the city of los angeles does not discriminate on the basis of disability and upon request will provide reasonable accommodation to ensure.
Ada handrails with a circular cross section should have an outside diameter between 1 25 and 2.
Section 505 7 of the 2010 standards requires handrail gripping surfaces with a circular cross section to have an outside diameter of 1 inches to 2 inches.
Guard handrail detail at end connection.
Section 4 26 2 of the 1991 standards requires handrail gripping surfaces to have a diameter of 1 inches to 1 1 2 inches or to provide an equivalent gripping surface.
The cad block has been drawn in section view at metric scale.
Handrails shall comply with 4 26 and shall have the following features.
1 handrails shall be continuous along both sides of stairs.
Download this free 2d cad block of a staircase handrail detail including fully annotated material notes and dimensions this staircase drawing can be used for your detail design drawings.