WorksheetsBasic Stair Layout
Total questions: 20
Worksheet time: 10mins
The most important concern in the design of any stairway is?
safety
choice of materials
appearance
material and labor cost
The basic parts of a stairway are risers, treads, and?
balustrades
center-cut stringers
stair framing
handrails
This type of stairway is?
A narrow v
A narrow U
A wide u
A wide L
The International Residential Code® specifies a minimum stair tread depth of?
9"
10"
11"
12"
Which type of stringer is typically used for stairways with open riser designs?
housed
cutout
dadoed
built-up
All of the following are parts of a balustrade except?
a baluster
a newel post
nosing
a handrail
On a 36"-wide wood stairway, a center cutout stringer is required if?
the tread material is thinner than 1-1/2"
the riser heights exceed 7"
the tread material is thinner than 2"
the riser heights are less than 7"
The minimum and maximum tread depths of a stairway should not differ by more than?
3/8"
1/2"
5/8"
3/4"
For user safety, the IRC specifies that the greatest riser height should not exceed the smallest riser height by
more than?
1 inch
5/8 inch
3/8 inch
1/4 inch
If stairway drawings are incomplete or in conflict with the building code, the carpenter should?
follow the building code
work out a solution
check the specifications
notify a supervisor
The horizontal distance from the face of one riser to the face of the next riser is the?
unit measure
unit run
unit rise
unit depth
When building a stair with a total rise of 7'-7", the number of risers required and their unit rise is?
11 risers, each 7-1/2" high
12 risers, each 7" high
13 risers, each 7" high
14 risers, each, 7-1/4" high
The maximum rise for a set of stairs without a landing is typically?
9'
10'
12'
15'
Tread width (unit run) is measured from the?
face of one riser to the nosing of the next riser
face of one riser to the face of the next riser
top of one tread to the bottom of the next riser
subfloor to the top tread
Rule 2 for calculating rise-to-run ratio is stated as?
Tread width + riser height = 17" to 18"
Tread width + (2 × riser height) = 24" to 25"
Tread width + (3 × riser height) = 34" to 35"
Tread width × riser height = 70" to 75"
For more efficient stair layout, the rise and run measurements on a framing square can be marked by using?
layout stops
stair gauges
framing pins
limit markers
When laying out a stringer using a framing square, the blade of the framing square represents the?
unit run
stringer length
unit rise
stringer depth
To add strength to the stair assembly, a pressure-treated 2 x 4 may be fastened to the floor to serve as a?
ledger
brace
strongback
purlin
When a ledger is installed to strengthen a stair assembly, treated lumber must be used if the ledger is?
less than 2" in thickness
fastened with lag screws
in an area of high humidity
fastened to a concrete floor
What component is secured to one side of the stringer below the cut notches to add strength and rigidity?
Skirtboard
Guard
Strongback
Gooseneck
