Basic Stair Layout

What is the most important concern in the design of any stairway?

• Choice of material

• Safety

• Appearance

• Material and Labor costs

What are the basic components of a stairway?

• treads, stringers, and balusters

• balusters, handrails, and treads

• risers, treads, and stair framing

• nosing, treads, and newel posts

The International Residential Code (IRC) specifies a minimum stair tread depth of....

• 10"

• 11"

• 9"

• 12"

Which type of stringer is typically used for stairways with open riser designs?

• built-up

• housed

• cutout

• dadoed

All of the following are parts of a BALUSTRADE except...

• nosing
• baluster
• newel post
• handrail

When is a center cutout stringer required on a stairway 36" wide?

• When the tread material is thinner than 1 1/2"
• When the riser height exceeds 7"
• When the tread material is thicker than 2"
• When the riser height is less than 4"

The minimum and maximum tread depths of a stairway should not differ by more than

• 3/4"

• 3/8"

• 2"

• 1"

Riser height should not differ by how much?

• 3/8"
• 3/4"
• 2"
• 1"

What should you do if you find the drawings are incomplete or in conflict with the building code?

• work out a solution

• follow the building code

• notify the supervisor

• check the specifications

The horizontal distance from the face of one riser to the face of the next is called...

• unit measure

• unit rise

• unit run

• unit depth