What is the minimum mounting height for a handrail along a ramp?
Based on the expected building occupancy, intermediate rails will be required. 30 inches of a handrail. Other than OSHA, all other codes and standards require that handrails be placed between 34 and 38 inches above the ramp, walking surface, or nosing.
What is a handrail extension?
Handrail extensions are typically required in commercial construction. The purpose of a handrail extension is to provide additional assistance in the transition between the handrail and a level surface. shows handrail installed on a ramp with the extensions extending 12” beyond the nosing of the last stair.
Are guardrails required on ramps?
Ramps having slopes steeper than 1:20 require handrails. Ramps with a rise greater than 6” require handrails. Handrails must be 34” – 38” in height measured above the walking surface. Handrails must extend at least 12” beyond the top and bottom of any ramp run.
How many inches of clearance is required between handrails on a ramp?
Sufficient vertical clearance between upper and lower handrails, 9 inches (230 mm) minimum, should be provided to help prevent entrapment.
How far does a handrail extend?
12 inches
Handrails extend horizontally above the landing for 12 inches minimum beginning directly above first riser nosing. Handrails extend at the slope of the stair flight for a horizontal distance equal to one tread depth beyond the last riser nosing.
How far should handrail extend?
On stairs, handrails must extend horizontally at the top at least 12 inches starting at the first riser nosing and at the bottom at least the length of the stair tread just after the last riser nosing. The requirements for the stair handrail returning to the wall are the same as for ramp handrails.
How tall does a ramp handrail have to be?
Ramp handrails shall extend horizontally above the landing for 12 inches (305 mm) minimum beyond the top and bottom of ramp runs. Extensions shall return to a wall, guard, or the landing surface, or shall be continuous to the handrail of an adjacent ramp run.
What are the requirements for a handrail extension?
505.10 Handrail Extensions. Handrail gripping surfaces shall extend beyond and in the same direction of stair flights and ramp runs in accordance with 505.10.
Why are handrails exempt from the ADA standards?
Section 4.1.6 (3) of the 1991 Standards has a special technical provision for alterations to existing facilities that exempts handrails at the top and bottom of ramps and stairs from providing full extensions where it will be hazardous due to plan configuration.
Do you have to return handrails to wall?
Handrails shall return to a wall, guard or the walking surface or shall be continuous to the handrail of an adjacent flight of stairs or ramp run.