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IBC-IRC-Building-Code: Stair and Ramp Requirements Basics
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Avg score: 88% • Most missed: “A primary function of landings at stairs/ramps is to:”

Stairs and ramps are regulated for safe movement and accessibility. Code focuses on geometry (riser height, tread depth, ramp slope), handrails/guardrails, landings, headroom, and slip resistance. For accessibility, ramps often must meet maximum slope and landing rules; stairs must meet uniform riser/tread requirements to reduce trips and falls.

Worked example(s)
Example: A non-uniform stair where one riser is taller than the others is a common trip hazard; codes limit riser variation within a flight.

IBC-IRC-Building-Code: Stair and Ramp Requirements Basics
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8 Questions

1. A primary function of landings at stairs/ramps is to:
2. Which term refers to the vertical portion of a stair step?
3. A ramp is often required (instead of stairs) when the route must be:
4. The most common reason stairs require a minimum headroom is to:
5. Which term refers to the horizontal surface you step on?
6. Handrails are primarily intended to:
7. A common code concept for ramps is that steeper slopes:
8. A key safety reason codes require uniform riser heights in a stair flight is to:

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