Hand Rails & Guardrails
The main purpose of handrail is what?
SAFETY
Minimum landing space required?
36'' or as wide as the stairs
How many treads will there be for a stair with 11 risers
10 treads
Which of the following is the framing member that provides the main support for the parts of the stairs?
Stringer
Handrails projecting from a wall shall have a space of no less than ________ inches between the wall and the handrail.
50 mm
What is the max height over landings servicing a residential home?
1,950mm
The vertical distance from the top of one tread to the top of an adjacent tread is the:
Rise
The most common type of stringer used for exterior and interior stairways is:
cut out / open stringer
Handrail balusters shall be such that a sphere of how many millimeters cannot pass through?
100mm
What is the max rise for private stairs in millimeters?
200mm
What is the minimum run for a stair? Commercial
600mm
A horizontal intermediate platform in a set of stairs used to break up a flight into two or more separate flights is called what?
Landing
What is the maximum spacing of attachment points for a handrail measured on a horizontal plane?
1.2m
What is the max vertical height for a flight of stairs?
3.7m
The horizontal distance from the face of the first riser to the face of the last riser is the:
Total Run
The distance from under the upper construction to the nosing line is called?
Headroom
The 3 components that make up of a balustrade system?
Newel Post, Handrail, Balusters
An exterior stairway serving a house requires a handrail after how many risers?
3
The amount of material that may need to be deducted from the bottom of the stringer to ensure that all the risers are the same when the treads are installed is known as what?
Drop
A trim piece that is placed between the stringer and the wall is called what?
Skirtboard